504:
sufficient for all the processes. However, in newer versions of
Windows which use separate address spaces for each program, it is only possible to use the same relocated copy of the DLL in multiple programs if each program has the same virtual addresses free to accommodate the DLL's code. If some programs (or their combination of already-loaded DLLs) do not have those addresses free, then an additional physical copy of the DLL's code will need to be created, using a different set of relocated entry points. If the physical memory occupied by a code section is to be reclaimed, its contents are discarded, and later reloaded directly from the DLL file as necessary.
309:. These extra layers on top of DOS had to be shared across all running Windows programs, not just to enable Windows to work in a machine with less than a megabyte of RAM, but to enable the programs to co-operate with each other. The code in GDI needed to translate drawing commands to operations on specific devices. On the display, it had to manipulate pixels in the frame buffer. When drawing to a printer, the API calls had to be transformed into requests to a printer. Although it could have been possible to provide hard-coded support for a limited set of devices (like the
335:, sections of code are simply added to the calling program when its executable is built at the "linking" phase; if two programs call the same routine, the routine is included in both the programs during the linking stage of the two. With dynamic linking, shared code is placed into a single, separate file. The programs that call this file are connected to it at run time, with the operating system (or, in the case of early versions of Windows, the OS-extension), performing the binding.
608:
DLLs of their respective
Windows release. A good opportunity to bind an application's imports to its target environment is during the application's installation. This keeps the libraries "bound" until the next OS update. It does, however, change the checksum of the executable, so it is not something that can be done with signed programs, or programs that are managed by a configuration management tool that uses checksums (such as
527:), all of its code sections are marked as read and write, and will be unshared. Read-and-write code sections, much like private data sections, are private to each process. Thus DLLs with shared data sections should not be compressed if they are intended to be used simultaneously by multiple programs, since each program instance would have to carry its own copy of the DLL, resulting in increased memory consumption.
4697:
4708:
516:; namely, one process can corrupt the shared data, which will likely cause all other sharing processes to behave undesirably. For example, a process running under a guest account can in this way corrupt another process running under a privileged account. This is an important reason to avoid the use of shared sections in DLLs.
1034:'Example.lib' file must be included (assuming that Example.dll is generated) in the project before static linking. The file 'Example.lib' is automatically generated by the compiler when compiling the DLL. Not executing the above statement would cause linking error as the linker would not know where to find the definition of
781:
When creating DLLs in VB, the IDE will only allow creation of ActiveX DLLs, however methods have been created to allow the user to explicitly tell the linker to include a .DEF file which defines the ordinal position and name of each exported function. This allows the user to create a standard
Windows
607:
Bound executables load somewhat faster if they are run in the same environment that they were compiled for, and exactly the same time if they are run in a different environment, so there is no drawback for binding the imports. For example, all the standard
Windows applications are bound to the system
554:
Linking to dynamic libraries is usually handled by linking to an import library when building or linking to create an executable file. The created executable then contains an import address table (IAT) by which all DLL function calls are referenced (each referenced DLL function contains its own entry
369:
In
Windows 1.x, 2.x and 3.x, all Windows applications shared the same address space as well as the same memory. A DLL was only loaded once into this address space; from then on, all programs using the library accessed it. The library's data was shared across all the programs. This could be used as an
676:
Normally, an application that is linked against a DLL’s import library will fail to start if the DLL cannot be found, because
Windows will not run the application unless it can find all of the DLLs that the application may need. However an application may be linked against an import library to allow
603:
saves the timestamp and checksum of the DLL to which the import is bound. At run-time, Windows checks to see if the same version of library is being used, and if so, Windows bypasses processing the imports. Otherwise, if the library is different from the one which was bound to, Windows processes the
357:
Another benefit of modularity is the use of generic interfaces for plug-ins. A single interface may be developed which allows old as well as new modules to be integrated seamlessly at run-time into pre-existing applications, without any modification to the application itself. This concept of dynamic
2157:
commonly known as DLL hijacking, DLL spoofing, DLL preloading or binary planting, many programs will load and execute a malicious DLL contained in the same folder as a data file opened by these programs. The vulnerability was discovered by Georgi
Guninski in 2000. In August 2010 it gained worldwide
2144:
in DLL and EXE files. It provides mechanisms to locate and version those files as well as a language-independent and machine-readable description of the interface. Hosting COM objects in a DLL is more lightweight and allows them to share resources with the client process. This allows COM objects to
583:
Each function exported by a DLL is identified by a numeric ordinal and optionally a name. Likewise, functions can be imported from a DLL either by ordinal or by name. The ordinal represents the position of the function's address pointer in the DLL Export
Address table. It is common for internal
503:
as it is loaded, fixing addresses for all its entry points at locations which are free in the memory space of the first process to load the DLL. In older versions of
Windows, in which all running processes occupied a single common address space, a single copy of the DLL's code would always be
854:
file must be placed in one of the directories listed in the PATH environment variable, in the default system directory, or in the same directory as the program using it. COM server DLLs are registered using regsvr32.exe, which places the DLL's location and its globally unique ID
462:
The DLL technology allows for an application to be modified without requiring consuming components to be re-compiled or re-linked. A DLL can be replaced so that the next time the application runs it uses the new DLL version. To work correctly, the DLL changes must maintain
448:
The executable code of a DLL runs in the memory space of the calling process and with the same access permissions, which means there is little overhead in their use, but also that there is no protection for the calling program if the DLL has any sort of bug.
677:
delayed loading of the dynamic library. In this case, the operating system will not try to find or load the DLL when the application starts; instead, a stub is included in the application by the linker which will try to find and load the DLL through
584:
functions to be exported by ordinal only. For most
Windows API functions only the names are preserved across different Windows releases; the ordinals are subject to change. Thus, one cannot reliably import Windows API functions by their ordinals.
338:
For those early versions of Windows (1.0 to 3.11), the DLLs were the foundation for the entire GUI. As such, display drivers were merely DLLs with a .DRV extension that provided custom implementations of the same drawing API through a unified
547:. The usual way to tell an import library from a proper static library is by size: the import library is much smaller as it only contains symbols referring to the actual DLL, to be processed at link-time. Both nevertheless are Unix
2996:
591:
can be used to find a function. The index of the found name is then used to look up the ordinal in the Export Ordinal table. In 16-bit Windows, the name table was not sorted, so the name lookup overhead was much more noticeable.
612:
checksums) to manage file versions. As more recent Windows versions have moved away from having fixed addresses for every loaded library (for security reasons), the opportunity and value of binding an executable is decreasing.
1225:
the current working directory is looked up before the system library directories), and thus to a malicious version of the library. See the reference for Microsoft's guidance on safe library loading: one should use
2320:
The import library is a regular UNIX-like .a library, but it only contains the tiny bit of information needed to tell the OS how the program interacts with ("imports") the dll. This information is linked into
507:
In contrast to code sections, the data sections of a DLL are usually private; that is, each process using the DLL has its own copy of all the DLL's data. Optionally, data sections can be made shared, allowing
574:
toolchain can generate import libraries and link to them, it is faster to link to the DLL directly. An experimental tool in MinGW called genlib can be used to generate import libs with MSVC-style symbols.
689:, which may be caught and handled appropriately. If the application does not handle the exception, it will be caught by the operating system, which will terminate the program with an error message.
470:
Even the operating system can be upgraded since it is exposed to the applications via DLLs. System DLLs can be replaced so that the next time the applications run, they use the new system DLLs.
382:, every process ran in its own address space. While the DLL code may be shared, the data is private except where shared data is explicitly requested by the library. That said, large swathes of
346:
This notion of building up the operating system from a collection of dynamically loaded libraries is a core concept of Windows that persists as of 2015. DLLs provide the standard benefits of
2505:
2976:
2158:
publicity after ACROS Security rediscovered it and many hundreds of programs were found vulnerable. Programs that are run from unsafe locations, i.e. user-writable folders like the
2924:
354:. Modularity allows changes to be made to code and data in a single self-contained DLL shared by several applications without any change to the applications themselves.
491:
The code in a DLL is usually shared among all the processes that use the DLL; that is, they occupy a single place in physical memory, and do not take up space in the
2791:
2737:"McAfee KB - McAfee Security Bulletin: Security patch for several McAfee installers and uninstallers (CVE-2015-8991, CVE-2015-8992, and CVE-2015-8993) (TS102462)"
3712:
3727:
328:
to load different Windows programs, and for these programs to invoke API calls from the shared USER and GDI libraries. That concept was "dynamic linking".
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2969:
343:
interface (DDI), and the Drawing (GDI) and GUI (USER) APIs were merely the function calls exported by the GDI and USER, system DLLs with .EXE extension.
2664:
587:
Importing functions by ordinal provides only slightly better performance than importing them by name: export tables of DLLs are ordered by name, so a
2939:
2555:
562:, combining both the Windows DLL suffix and the Unix ar suffix. The file format is similar, but the symbols used to mark the imports are different (
685:
when one of its functions is called. If the DLL cannot be found or loaded, or the called function does not exist, the application will generate an
3549:
2934:
488:. Each section has its own set of attributes, such as being writable or read-only, executable (for code) or non-executable (for data), and so on.
2449:
2944:
2580:
599:
an executable to a specific version of a DLL, that is, to resolve the addresses of imported functions at compile-time. For bound imports, the
4583:
2962:
2494:
4712:
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implement powerful back-ends to simple GUI front ends such as Visual Basic and ASP. They can also be programmed from scripting languages.
431:
289:(GUI) could multitask and be maximally responsive. All operating-system level operations were provided by the underlying operating system:
2686:
3962:
3602:
3186:
3021:
2293:
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in the IAT). At run-time, the IAT is filled with appropriate addresses that point directly to a function in the separately loaded DLL.
4134:
4043:
3559:
3191:
1038:. The DLL file 'Example.dll' may also have to be copied to the location where the .exe file would be generated by the following code:
269:
Since they have the same format, an EXE can be used as a DLL. Consuming code can load an EXE via the same mechanism as loading a DLL.
2865:
2850:
2761:
294:
2260:
1213:, since example.dll can be resolved to a place unintended by the author (unless explicitly excluded the application directory goes
846:
file (import library) is used to link against a DLL at compile-time; it is not necessary for run-time linking. Unless the DLL is a
1206:
The following examples show how to use the run-time loading and linking facilities using language-specific Windows API bindings.
798:
which allow functions to be specified as imported or exported directly in the C++ code; these have been adopted by other Windows
513:
173:, but can have any file extension. Developers can choose to use a file extension that describes the content of the file such as
4743:
3882:
3862:
3825:
3787:
3772:
2819:"oss-sec: CVE-2016-1281: TrueCrypt and VeraCrypt Windows installers allow arbitrary code execution with elevation of privilege"
876:
The following examples show how to use language-specific bindings to import symbols for linking against a DLL at compile-time.
4733:
4628:
4210:
3737:
863:
to find its location or create an instance of the COM object indirectly using its class identifier and interface identifier.
512:
via this shared memory area. However, because user restrictions do not apply to the use of shared DLL memory, this creates a
3752:
417:
describes the bad behavior of an application when the wrong version of a DLL is consumed. Mitigation strategies include:
398:
microprocessor when launched, and ultimately limited the stability and scalability of the DOS-based versions of Windows.
266:
to start execution. Windows provides a utility program (RUNDLL.EXE/RUNDLL32.EXE) to execute a function exposed by a DLL.
4593:
4462:
4149:
4139:
4013:
3917:
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3134:
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2929:
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4701:
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3244:
543:, the primary dynamic library for Windows's base functions such as file creation and memory management, is linked via
509:
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The main difference between DLL and EXE is that a DLL cannot be run directly since the operating system requires an
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38:
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before a function declaration. Note that when C functions are accessed from C++, they must also be declared as
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104:
3301:
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1234:
to remove both the application directory and the current working directory from the DLL search path, or use
803:
74:
30:
This article is about the OS/2 and Windows implementation. For dynamic linking of libraries in general, see
2606:"Double clicking on MS Office documents from Windows Explorer may execute arbitrary programs in some cases"
4553:
4517:
4129:
4114:
3872:
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3722:
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3149:
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847:
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4038:
4033:
3937:
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3815:
3702:
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3254:
3201:
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427:
317:), Microsoft chose a different approach. GDI would work by loading different pieces of code, called "
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DLL using Visual Basic (Version 6 or lower) which can be referenced through a "Declare" statement.
484:
293:. All higher-level services were provided by Windows Libraries "Dynamic Link Library". The Drawing
248:
2432:"A new CWDIllegalInDllSearch registry entry is available to control the DLL search path algorithm"
324:
The same architectural concept that allowed GDI to load different device drivers also allowed the
4613:
4563:
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4161:
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50:
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file is processed by the linker, rather than the compiler, and thus it is not specific to C++.
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When importing DLL functions through declarations, VB will generate a run-time error if the
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198:
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285:. Every program was meant to co-operate by yielding the CPU to other programs so that the
147:
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2896:
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HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Session Manager\CWDIllegalInDLLSearch
4144:
3687:
3499:
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3406:
3274:
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3174:
3144:
3054:
2903:
Microsoft Security Advisory: Insecure library loading could allow remote code execution
2631:"Binary Planting - The Official Web Site of a Forgotten Vulnerability . ACROS Security"
2216:
2211:
697:
421:
347:
332:
256:
167:
126:
109:
31:
660:
The procedure for explicit run-time linking is the same in any language that supports
4727:
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4492:
4392:
3732:
3692:
3469:
3444:
3436:
3371:
3239:
3039:
2333:
1219:
HKEY_LOCAL_MACHINE\System\CurrentControlSet\Control\Session Manager\SafeDllSearchMode
778:
file cannot be found. The developer can catch the error and handle it appropriately.
588:
340:
325:
318:
282:
186:
374:, or it could accidentally corrupt the different programs. With the introduction of
17:
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4357:
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4249:
3957:
3907:
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3361:
3279:
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791:
756:
728:
571:
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Although the DLL technology is core to the Windows architecture, it has drawbacks.
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2431:
4472:
4417:
4322:
4176:
4064:
3942:
3797:
3589:
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keyword is used in the function declaration to signal the DLL name, followed by
665:
621:
DLL files may be explicitly loaded at run-time, a process referred to simply as
479:
395:
263:
228:
84:
2954:
2178:, a utility which displays exported and imported functions of DLL and EXE files
859:) in the registry. Programs can then use the DLL by looking up its GUID in the
558:
In Cygwin/MSYS and MinGW, import libraries are conventionally given the suffix
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4201:
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62:
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548:
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130:
97:
27:
Microsoft's implementation of the shared library concept in Windows and OS/2
2315:
2024:# The following "restype" method specification is needed to make
4578:
4482:
4342:
4102:
3967:
3597:
3454:
3341:
3326:
3264:
3124:
3084:
2920:
Microsoft Portable Executable and Common Object File Format Specification
2818:
2605:
2221:
414:
208:
4598:
4532:
4270:
4156:
4119:
4107:
3792:
3511:
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3459:
3421:
3119:
3044:
814:
in C++ code, to inform the compiler that the C linkage should be used.
693:
394:
were built from 16-bit libraries, which limited the performance of the
363:
178:
4672:
4522:
4191:
3972:
3897:
721:. At the end of the file, the functions to be exported are listed in
290:
252:
244:
240:
821:
attributes, they may be listed in IMPORT or EXPORTS section of the
795:
759:(VB), only run-time linking is supported; but in addition to using
4638:
4074:
3902:
3607:
3381:
3094:
2792:"ScanNow DLL Search Order Hijacking Vulnerability and Deprecation"
1242:
to remove the current working directory from the DLL search path.
654:
535:
Like static libraries, import libraries for DLLs are noted by the
2630:
4166:
3840:
3659:
3622:
2556:"More information about the DLL Preloading remote attack vector"
2166:
directory, are almost always susceptible to this vulnerability.
856:
137:
2958:
2687:"Dev to Mozilla: Please dump ancient Windows install processes"
2450:"Secure loading of libraries to prevent DLL preloading attacks"
1983:
The Python ctypes binding will use POSIX API on POSIX systems.
696:, allowing the application to perform additional processing or
4084:
3416:
3386:
3311:
2940:
More information about the DLL Preloading remote attack vector
2140:(COM) defines a binary standard to host the implementation of
637:
API function is used to look up exported symbols by name, and
609:
524:
236:
239:), but different versions of Windows use different formats.
735:
files to import functions from DLLs; to link to a DLL, the
2027:# Python understand what type is returned by the function.
700:
when the DLL is loaded and/or any DLL function is called.
2935:
MS09-014: Addressing the Safari Carpet Bomb vulnerability
692:
The delayed loading mechanism also provides notification
2493:
Björklund, Andreas; Klövstedt, Johan; Westergren, Sven.
817:
Besides specifying imported or exported functions using
2581:"An update on the DLL-preloading remote attack vector"
641:– to unload the DLL. These functions are analogous to
2502:
Information Technology Department, Uppsala University
2945:
An update on the DLL-preloading remote attack vector
1209:
Note that all of the four samples are vulnerable to
4651:
4546:
4315:
4234:
4227:
4200:
4083:
4057:
3981:
3806:
3673:
3588:
3535:
3435:
3200:
3030:
1239:
1235:
1231:
1227:
192:A DLL that contains only resources can be called a
103:
93:
83:
73:
61:
49:
802:and C++ compilers, including Windows versions of
434:because they offer isolation between applications
2712:"Gpg4win - Security Advisory Gpg4win 2015-11-25"
794:(MSVC) provides several extensions to standard
358:extensibility is taken to the extreme with the
2970:
68:application/vnd.microsoft.portable-executable
8:
44:
4707:
4231:
2977:
2963:
2955:
2374:"Creating a Windows DLL with Visual Basic"
499:for its DLLs; instead, the code undergoes
321:", to work with different output devices.
79:com.microsoft.windows-dynamic-link-library
2860:. Addison-Wesley Developers Press, 1997.
2843:Windows System Programming Third Edition
2657:"Carpet Bombing and Directory Poisoning"
2286:"Understanding the Import Address Table"
1859:"ERROR: unable to find DLL function
1055:// Import function that adds two numbers
898:// import function that adds two numbers
2263:. Microsoft Corporation. Archived from
2233:
426:Virtualization-based solutions such as
301:(GDI), was implemented in a DLL called
2930:Carpet Bombing and Directory Poisoning
2352:"Linker Support for Delay-Loaded DLLs"
1217:system library locations, and without
43:
4584:Next-Generation Secure Computing Base
2925:Microsoft specification for dll files
2667:from the original on November 7, 2023
2661:Carnegie Mellon University - SEI Blog
2511:from the original on November 7, 2023
2296:from the original on November 7, 2023
806:. These extensions use the attribute
743:to name the symbol (if different) or
7:
704:Compiler and language considerations
432:Microsoft Application Virtualization
3713:Distributed Transaction Coordinator
2655:Dormann, Will (September 4, 2008).
2407:"Dynamic-link library search order"
2247:Microsoft Developer Network Library
771:of imported functions are allowed.
4044:User Interface Privilege Isolation
1210:
834:DLL compilation will produce both
519:If a DLL is compressed by certain
281:ran programs together in a single
75:Uniform Type Identifier (UTI)
25:
2897:Dynamic-Link Library Search Order
2396:, Using extern to Specify Linkage
668:rather than language constructs.
4706:
4696:
4695:
3773:Remote Differential Compression
1772:"ERROR: unable to load DLL
1202:Using explicit run-time linking
482:, DLL files are organized into
231:of a DLL is the same as for an
4629:Windows System Assessment Tool
2914:Dynamic-Link Library Functions
2476:"Component Object Model (COM)"
2243:"Creating a Resource-Only DLL"
827:file used by the project. The
713:In a source file, the keyword
1:
2891:Dynamic-Link Library Security
579:Symbol resolution and binding
539:file extension. For example,
331:In a conventional non-shared
203:, sometimes having extension
3918:Open XML Paper Specification
3778:Remote Installation Services
2986:Microsoft Windows components
2762:"fsc-2015-4 - F-Secure Labs"
2372:Petrusha, Ron (2005-04-26).
1367:"The result was: "
4070:Windows Subsystem for Linux
4029:Mandatory Integrity Control
3783:Windows Deployment Services
3580:Wireless Zero Configuration
2411:Microsoft Developer Network
2117:"The result was:"
625:by Microsoft, by using the
510:inter-process communication
372:inter-process communication
4760:
4172:Universal Windows Platform
3878:Kernel Transaction Manager
3863:Hardware Abstraction Layer
3560:Multimedia Class Scheduler
1006:'The result was: '
664:, since it depends on the
211:library having extensions
39:Dynamically loaded library
36:
29:
4691:
4624:Windows Services for UNIX
4009:Data Execution Prevention
3858:Graphics Device Interface
3748:Network Access Protection
3367:Remote Desktop Connection
2992:
2910:on Microsoft support site
2495:"DLL Spoofing in Windows"
2316:"Building and Using DLLs"
1625:// DLL function signature
617:Explicit run-time linking
604:imports in a normal way.
497:position-independent code
313:display, the HP LaserJet
299:Graphics Device Interface
3989:Security and Maintenance
3933:Security Account Manager
3527:Windows XP visual styles
2845:. Addison-Wesley, 2005.
2531:"DLL Preloading Attacks"
1985:
1946:"The result was: %f
1610:
1388:
1249:
1228:SetDefaultDllDirectories
1169:"The result was: %f
1040:
883:
623:run-time dynamic linking
315:Printer Command Language
305:, the user interface in
287:graphical user interface
63:Internet media type
37:Not to be confused with
4574:Media Control Interface
4408:Help and Support Center
4024:Kernel Patch Protection
3788:System Resource Manager
3768:Remote Desktop Services
3763:Print Services for UNIX
3545:Service Control Manager
3155:Windows Error Reporting
3075:DirectX Diagnostic Tool
2354:. Microsoft Corporation
2241:Microsoft Corporation.
2018:"Example.dll"
1796:// Get function pointer
1739:"Example.dll"
1270:"Example.dll"
747:to identify the index.
595:It is also possible to
568:__IMPORT_DESCRIPTOR_foo
495:. Windows does not use
362:, the underpinnings of
196:. Examples include the
4744:Windows administration
4554:Desktop Cleanup Wizard
4130:COM Structured storage
3831:Desktop Window Manager
3723:Windows Media Services
2885:Dynamic-Link Libraries
2635:www.binaryplanting.com
2138:Component Object Model
2132:Component Object Model
1826:"AddNumbers"
1246:Microsoft Visual Basic
1211:DLL preloading attacks
848:Component Object Model
751:Microsoft Visual Basic
465:backward compatibility
360:Component Object Model
311:Color Graphics Adapter
277:The first versions of
158:, in any combination.
4734:Computer file formats
4182:Windows Mixed Reality
3853:Enhanced Write Filter
3703:Roaming user profiles
2856:Rector, Brent et al.
2261:"The End of DLL Hell"
1487:'example.dll'
946:'Example.dll'
662:pointers to functions
438:Side-by-side assembly
255:Windows versions use
247:Windows versions use
166:A DLL file often has
4463:Mobile Device Center
4413:Health & Fitness
4211:Solitaire Collection
4039:User Account Control
4034:Protected Media Path
3938:Server Message Block
3888:Logical Disk Manager
3140:System Policy Editor
3125:System Configuration
2879:dllexport, dllimport
1529:'AddNumbers'
867:Programming examples
633:) API function. The
428:Microsoft Virtual PC
119:dynamic-link library
45:Dynamic-link library
18:Dynamic-Link Library
4609:Virtual DOS machine
3953:System Idle Process
3928:Resource Protection
3836:Portable Executable
3728:Active DRM Services
3130:System File Checker
3100:Performance Monitor
2950:Load Library Safely
2187:Library (computing)
1400:{$ APPTYPE CONSOLE}
886:{$ APPTYPE CONSOLE}
717:is used instead of
444:Shared memory space
249:Portable Executable
46:
4739:Computer libraries
4614:Windows on Windows
4338:Backup and Restore
4150:Transaction Server
3868:I/O request packet
3708:Folder redirection
3377:Speech Recognition
3135:System Information
3090:Management Console
2798:. 21 December 2015
2741:service.mcafee.com
2480:msdn.microsoft.com
2197:Loader (computing)
2192:Linker (computing)
1922:// Unload DLL file
1562:'1 + 2 = '
850:(COM) server, the
521:executable packers
146:A DLL can contain
105:Container for
51:Filename extension
4721:
4720:
4647:
4646:
4604:Video for Windows
4559:Games for Windows
4428:Internet Explorer
3522:Windows Spotlight
3165:Windows Installer
2858:Win32 Programming
2817:Team, VeraCrypt.
2691:theregister.co.uk
2474:Satran, Michael.
2454:Microsoft Support
2436:Microsoft Support
2176:Dependency Walker
1937:// Display result
1895:// Call function.
1616:<windows.h>
1046:<windows.h>
872:Using DLL imports
474:Memory management
370:indirect form of
279:Microsoft Windows
115:
114:
94:Developed by
16:(Redirected from
4751:
4710:
4709:
4699:
4698:
4619:Windows SideShow
4398:Food & Drink
4292:Spider Solitaire
4232:
4125:ActiveX Document
4093:Active Scripting
4049:Windows Firewall
4004:Credential Guard
3683:Active Directory
3480:Indexing Service
3110:Resource Monitor
3105:Recovery Console
2979:
2972:
2965:
2956:
2834:
2833:
2831:
2829:
2814:
2808:
2807:
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2788:
2782:
2781:
2779:
2777:
2768:. Archived from
2766:www.f-secure.com
2758:
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2610:www.guninski.com
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2376:. O'Reilly Media
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2338:ld documentation
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1718:// Load DLL file
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570:). Although its
569:
565:
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531:Import libraries
348:shared libraries
308:
304:
218:
214:
206:
184:
176:
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141:operating system
47:
21:
4759:
4758:
4754:
4753:
4752:
4750:
4749:
4748:
4724:
4723:
4722:
4717:
4687:
4655:Microsoft Store
4653:
4643:
4589:POSIX subsystem
4569:File Protection
4542:
4513:Program Manager
4498:Phone Companion
4488:Outlook Express
4438:Make Compatible
4368:Desktop Gadgets
4328:Anytime Upgrade
4311:
4223:
4196:
4187:Windows Runtime
4079:
4053:
4019:Family features
3977:
3802:
3758:DFS Replication
3669:
3584:
3575:Error Reporting
3531:
3431:
3307:Mobility Center
3302:Movies & TV
3196:
3180:Windows Insider
3070:Driver Verifier
3065:Drive Optimizer
3032:
3026:
3017:Booting process
2988:
2983:
2875:
2841:Hart, Johnson.
2838:
2837:
2827:
2825:
2816:
2815:
2811:
2801:
2799:
2790:
2789:
2785:
2775:
2773:
2772:on 31 July 2017
2760:
2759:
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2745:
2743:
2735:
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2730:
2720:
2718:
2716:www.gpg4win.org
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2182:Dynamic library
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952:// main program
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767:API functions,
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672:Delayed loading
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162:File extensions
148:executable code
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4518:Steps Recorder
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4145:OLE Automation
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4021:
4016:
4011:
4006:
4001:
3996:
3991:
3985:
3983:
3979:
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3976:
3975:
3970:
3965:
3960:
3955:
3950:
3945:
3940:
3935:
3930:
3925:
3920:
3915:
3913:Object Manager
3910:
3905:
3900:
3895:
3890:
3885:
3880:
3875:
3873:Imaging Format
3870:
3865:
3860:
3855:
3850:
3849:
3848:
3843:
3833:
3828:
3823:
3818:
3812:
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3804:
3803:
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3800:
3795:
3790:
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3765:
3760:
3755:
3750:
3745:
3740:
3735:
3730:
3725:
3720:
3715:
3710:
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3700:
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3685:
3679:
3677:
3671:
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3662:
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3655:
3650:
3645:
3640:
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3615:
3610:
3605:
3600:
3594:
3592:
3586:
3585:
3583:
3582:
3577:
3572:
3570:Task Scheduler
3567:
3562:
3557:
3552:
3547:
3541:
3539:
3533:
3532:
3530:
3529:
3524:
3519:
3514:
3509:
3504:
3503:
3502:
3500:Special folder
3497:
3492:
3487:
3482:
3472:
3467:
3462:
3457:
3452:
3447:
3441:
3439:
3433:
3432:
3430:
3429:
3424:
3419:
3414:
3412:Voice Recorder
3409:
3404:
3399:
3394:
3389:
3384:
3379:
3374:
3369:
3364:
3359:
3354:
3349:
3344:
3339:
3334:
3329:
3324:
3319:
3314:
3309:
3304:
3299:
3298:
3297:
3287:
3282:
3277:
3272:
3267:
3262:
3257:
3252:
3247:
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3237:
3232:
3227:
3222:
3217:
3212:
3206:
3204:
3198:
3197:
3195:
3194:
3189:
3184:
3183:
3182:
3175:Windows Update
3172:
3167:
3162:
3157:
3152:
3147:
3145:System Restore
3142:
3137:
3132:
3127:
3122:
3117:
3112:
3107:
3102:
3097:
3092:
3087:
3082:
3077:
3072:
3067:
3062:
3057:
3055:Device Manager
3052:
3047:
3045:Command Prompt
3042:
3036:
3034:
3028:
3027:
3025:
3024:
3019:
3014:
3013:
3012:
3007:
2999:
2993:
2990:
2989:
2984:
2982:
2981:
2974:
2967:
2959:
2953:
2952:
2947:
2942:
2937:
2932:
2927:
2922:
2917:
2911:
2908:What is a DLL?
2905:
2900:
2894:
2888:
2882:
2874:
2873:External links
2871:
2870:
2869:
2854:
2836:
2835:
2809:
2783:
2753:
2728:
2703:
2678:
2647:
2622:
2597:
2572:
2547:
2522:
2485:
2466:
2441:
2423:
2398:
2386:
2364:
2343:
2334:"ld and WIN32"
2325:
2307:
2290:Sandsprite.com
2277:
2252:
2232:
2231:
2229:
2226:
2225:
2224:
2219:
2217:Static library
2214:
2212:Shared library
2209:
2204:
2199:
2194:
2189:
2184:
2179:
2171:
2168:
2150:
2147:
2133:
2130:
1986:
1980:
1977:
1814:GetProcAddress
1808:importFunction
1691:importFunction
1640:importFunction
1611:
1608:
1605:
1517:GetProcAddress
1389:
1386:
1383:
1250:
1247:
1244:
1203:
1200:
1041:
884:
873:
870:
868:
865:
787:
784:
765:GetProcAddress
752:
749:
731:does not need
710:
707:
705:
702:
698:error handling
683:GetProcAddress
673:
670:
657:standard API.
635:GetProcAddress
618:
615:
580:
577:
551:format files.
532:
529:
475:
472:
459:
456:
454:
451:
445:
442:
441:
440:
435:
424:
422:.NET Framework
411:
408:
403:
400:
333:static library
319:device drivers
274:
271:
257:New Executable
224:
221:
168:file extension
163:
160:
127:shared library
113:
112:
110:Shared library
107:
101:
100:
95:
91:
90:
87:
81:
80:
77:
71:
70:
67:
65:
59:
58:
55:
53:
32:Dynamic linker
26:
24:
14:
13:
10:
9:
6:
4:
3:
2:
4756:
4745:
4742:
4740:
4737:
4735:
4732:
4731:
4729:
4714:
4705:
4703:
4694:
4693:
4690:
4684:
4681:
4679:
4676:
4674:
4671:
4669:
4666:
4664:
4661:
4660:
4658:
4656:
4650:
4640:
4637:
4635:
4634:Windows To Go
4632:
4630:
4627:
4625:
4622:
4620:
4617:
4615:
4612:
4610:
4607:
4605:
4602:
4600:
4597:
4595:
4592:
4590:
4587:
4585:
4582:
4580:
4577:
4575:
4572:
4570:
4567:
4565:
4562:
4560:
4557:
4555:
4552:
4551:
4549:
4545:
4539:
4536:
4534:
4531:
4529:
4526:
4524:
4521:
4519:
4516:
4514:
4511:
4509:
4506:
4504:
4503:Photo Gallery
4501:
4499:
4496:
4494:
4491:
4489:
4486:
4484:
4481:
4479:
4476:
4474:
4471:
4469:
4466:
4464:
4461:
4459:
4456:
4454:
4451:
4449:
4448:Meeting Space
4446:
4444:
4441:
4439:
4436:
4434:
4431:
4429:
4426:
4424:
4421:
4419:
4418:HyperTerminal
4416:
4414:
4411:
4409:
4406:
4404:
4401:
4399:
4396:
4394:
4391:
4389:
4388:Easy Transfer
4386:
4384:
4381:
4379:
4376:
4374:
4371:
4369:
4366:
4364:
4361:
4359:
4356:
4354:
4351:
4349:
4346:
4344:
4341:
4339:
4336:
4334:
4331:
4329:
4326:
4324:
4321:
4320:
4318:
4314:
4308:
4307:
4303:
4301:
4300:
4296:
4294:
4293:
4289:
4287:
4286:
4282:
4280:
4279:
4275:
4273:
4272:
4268:
4266:
4265:
4261:
4259:
4258:
4254:
4252:
4251:
4247:
4245:
4244:
4240:
4239:
4237:
4233:
4230:
4226:
4220:
4219:
4215:
4213:
4212:
4208:
4207:
4205:
4203:
4199:
4193:
4190:
4188:
4185:
4183:
4180:
4178:
4175:
4173:
4170:
4168:
4165:
4163:
4160:
4158:
4155:
4151:
4148:
4146:
4143:
4141:
4138:
4136:
4133:
4131:
4128:
4126:
4123:
4121:
4118:
4117:
4116:
4113:
4109:
4106:
4104:
4101:
4099:
4096:
4095:
4094:
4091:
4090:
4088:
4086:
4082:
4076:
4073:
4071:
4068:
4066:
4063:
4062:
4060:
4058:Compatibility
4056:
4050:
4047:
4045:
4042:
4040:
4037:
4035:
4032:
4030:
4027:
4025:
4022:
4020:
4017:
4015:
4012:
4010:
4007:
4005:
4002:
4000:
3997:
3995:
3992:
3990:
3987:
3986:
3984:
3980:
3974:
3971:
3969:
3966:
3964:
3961:
3959:
3956:
3954:
3951:
3949:
3946:
3944:
3941:
3939:
3936:
3934:
3931:
3929:
3926:
3924:
3921:
3919:
3916:
3914:
3911:
3909:
3906:
3904:
3901:
3899:
3896:
3894:
3891:
3889:
3886:
3884:
3883:Library files
3881:
3879:
3876:
3874:
3871:
3869:
3866:
3864:
3861:
3859:
3856:
3854:
3851:
3847:
3844:
3842:
3839:
3838:
3837:
3834:
3832:
3829:
3827:
3824:
3822:
3819:
3817:
3814:
3813:
3811:
3809:
3805:
3799:
3796:
3794:
3791:
3789:
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3784:
3781:
3779:
3776:
3774:
3771:
3769:
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3761:
3759:
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3731:
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3721:
3719:
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3711:
3709:
3706:
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3701:
3699:
3696:
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3691:
3689:
3686:
3684:
3681:
3680:
3678:
3676:
3672:
3666:
3663:
3661:
3658:
3654:
3651:
3649:
3646:
3644:
3643:Reparse point
3641:
3639:
3636:
3634:
3631:
3629:
3626:
3625:
3624:
3621:
3619:
3616:
3614:
3611:
3609:
3606:
3604:
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3596:
3595:
3593:
3591:
3587:
3581:
3578:
3576:
3573:
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3566:
3563:
3561:
3558:
3556:
3553:
3551:
3548:
3546:
3543:
3542:
3540:
3538:
3534:
3528:
3525:
3523:
3520:
3518:
3515:
3513:
3510:
3508:
3505:
3501:
3498:
3496:
3493:
3491:
3488:
3486:
3483:
3481:
3478:
3477:
3476:
3473:
3471:
3468:
3466:
3463:
3461:
3458:
3456:
3453:
3451:
3448:
3446:
3445:Action Center
3443:
3442:
3440:
3438:
3434:
3428:
3425:
3423:
3420:
3418:
3415:
3413:
3410:
3408:
3405:
3403:
3400:
3398:
3395:
3393:
3390:
3388:
3385:
3383:
3380:
3378:
3375:
3373:
3372:Snipping Tool
3370:
3368:
3365:
3363:
3360:
3358:
3355:
3353:
3350:
3348:
3345:
3343:
3340:
3338:
3335:
3333:
3330:
3328:
3325:
3323:
3320:
3318:
3315:
3313:
3310:
3308:
3305:
3303:
3300:
3296:
3293:
3292:
3291:
3288:
3286:
3283:
3281:
3278:
3276:
3273:
3271:
3268:
3266:
3263:
3261:
3258:
3256:
3253:
3251:
3248:
3246:
3243:
3241:
3238:
3236:
3233:
3231:
3230:Character Map
3228:
3226:
3223:
3221:
3218:
3216:
3213:
3211:
3208:
3207:
3205:
3203:
3199:
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3176:
3173:
3171:
3168:
3166:
3163:
3161:
3158:
3156:
3153:
3151:
3148:
3146:
3143:
3141:
3138:
3136:
3133:
3131:
3128:
3126:
3123:
3121:
3118:
3116:
3113:
3111:
3108:
3106:
3103:
3101:
3098:
3096:
3093:
3091:
3088:
3086:
3083:
3081:
3078:
3076:
3073:
3071:
3068:
3066:
3063:
3061:
3058:
3056:
3053:
3051:
3050:Control Panel
3048:
3046:
3043:
3041:
3040:App Installer
3038:
3037:
3035:
3029:
3023:
3020:
3018:
3015:
3011:
3008:
3006:
3003:
3002:
3001:Architecture
3000:
2998:
2995:
2994:
2991:
2987:
2980:
2975:
2973:
2968:
2966:
2961:
2960:
2957:
2951:
2948:
2946:
2943:
2941:
2938:
2936:
2933:
2931:
2928:
2926:
2923:
2921:
2918:
2915:
2912:
2909:
2906:
2904:
2901:
2898:
2895:
2892:
2889:
2886:
2883:
2880:
2877:
2876:
2872:
2867:
2866:0-201-63492-9
2863:
2859:
2855:
2852:
2851:0-321-25619-0
2848:
2844:
2840:
2839:
2824:
2820:
2813:
2810:
2797:
2793:
2787:
2784:
2771:
2767:
2763:
2757:
2754:
2742:
2738:
2732:
2729:
2717:
2713:
2707:
2704:
2692:
2688:
2682:
2679:
2666:
2662:
2658:
2651:
2648:
2636:
2632:
2626:
2623:
2611:
2607:
2601:
2598:
2586:
2582:
2576:
2573:
2561:
2557:
2551:
2548:
2536:
2532:
2526:
2523:
2507:
2503:
2496:
2489:
2486:
2481:
2477:
2470:
2467:
2455:
2451:
2445:
2442:
2437:
2433:
2427:
2424:
2412:
2408:
2402:
2399:
2395:
2390:
2387:
2375:
2368:
2365:
2353:
2347:
2344:
2339:
2335:
2329:
2326:
2322:
2317:
2311:
2308:
2295:
2291:
2287:
2281:
2278:
2267:on 2008-05-06
2266:
2262:
2256:
2253:
2248:
2244:
2237:
2234:
2227:
2223:
2220:
2218:
2215:
2213:
2210:
2208:
2205:
2203:
2200:
2198:
2195:
2193:
2190:
2188:
2185:
2183:
2180:
2177:
2174:
2173:
2169:
2167:
2165:
2161:
2156:
2155:vulnerability
2149:DLL hijacking
2148:
2146:
2143:
2139:
2131:
1984:
1978:
1606:
1384:
1245:
1243:
1216:
1212:
1207:
1201:
1061:"C"
1039:
1032:
1031:
882:
881:
877:
871:
866:
864:
862:
858:
849:
832:
825:
815:
805:
801:
797:
793:
785:
783:
779:
772:
770:
758:
750:
748:
730:
726:
708:
703:
701:
699:
695:
690:
688:
671:
669:
667:
663:
658:
656:
631:LoadLibraryEx
624:
616:
614:
611:
605:
602:
598:
593:
590:
589:binary search
585:
578:
576:
573:
564:_head_foo_dll
556:
552:
550:
542:
530:
528:
526:
522:
517:
515:
514:security hole
511:
505:
502:
498:
494:
489:
487:
486:
481:
473:
471:
468:
466:
458:Upgradability
457:
452:
450:
443:
439:
436:
433:
429:
425:
423:
420:
419:
418:
416:
409:
407:
401:
399:
397:
393:
389:
385:
381:
378:libraries in
377:
373:
367:
365:
361:
355:
353:
349:
344:
342:
341:device driver
336:
334:
329:
327:
326:Windows shell
322:
320:
316:
312:
300:
296:
292:
288:
284:
283:address space
280:
272:
270:
267:
265:
260:
258:
254:
250:
246:
242:
238:
234:
230:
222:
220:
210:
202:
200:
195:
190:
188:
187:device driver
185:for a legacy
181:controls and
180:
169:
161:
159:
157:
153:
150:(functions),
149:
144:
142:
139:
135:
132:
128:
124:
120:
111:
108:
106:
102:
99:
96:
92:
88:
86:
82:
78:
76:
72:
66:
64:
60:
54:
52:
48:
40:
33:
19:
4668:File Manager
4508:Photo Viewer
4443:Media Center
4403:Groove Music
4333:Address Book
4304:
4297:
4290:
4285:Purble Place
4283:
4276:
4269:
4262:
4255:
4250:Chess Titans
4248:
4241:
4228:Discontinued
4216:
4209:
3908:Ntoskrnl.exe
3845:
3816:Boot Manager
3808:Architecture
3698:Group Policy
3590:File systems
3490:Saved search
3397:Sticky Notes
3362:Quick Assist
3290:Media Player
3260:Feedback Hub
3255:Fax and Scan
3150:Task Manager
3080:Event Viewer
3060:Disk Cleanup
2857:
2842:
2826:. Retrieved
2823:seclists.org
2822:
2812:
2800:. Retrieved
2795:
2786:
2774:. Retrieved
2770:the original
2765:
2756:
2744:. Retrieved
2740:
2731:
2719:. Retrieved
2715:
2706:
2694:. Retrieved
2690:
2681:
2669:. Retrieved
2660:
2650:
2638:. Retrieved
2634:
2625:
2613:. Retrieved
2609:
2600:
2588:. Retrieved
2584:
2575:
2563:. Retrieved
2559:
2550:
2538:. Retrieved
2534:
2525:
2513:. Retrieved
2501:
2488:
2479:
2469:
2457:. Retrieved
2453:
2444:
2435:
2426:
2414:. Retrieved
2410:
2401:
2389:
2378:. Retrieved
2367:
2356:. Retrieved
2346:
2337:
2328:
2319:
2310:
2298:. Retrieved
2289:
2280:
2269:. Retrieved
2265:the original
2255:
2246:
2236:
2202:Moricons.dll
2163:
2159:
2152:
2135:
1982:
1214:
1208:
1205:
1033:
1029:
1028:
879:
878:
875:
833:
816:
789:
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