Microsoft Windows library files: Difference between revisions

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''This is an almagmation of information regarding specific [[Microsoft Windows]] library files.''
 
== Hal.dll ==
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In newer Windows operating systems (e.g., Windows XP) this file is included as part of the operating system and should only be updated by a service pack or hotfix (although it is also used for compatibility with Visual C++ 4.2 to 6 programs). The [[debug]] version of this file is called '''msvcrtd.dll'''.
 
== User32.dll ==
 
'''user32.dll''' is a [[Dynamic-link library]] (DLL) that implements the Windows User API Client Library. It is a core file for several versions of the [[Microsoft Windows]] [[operating system]]. If this file is damaged or deleted, the operating system will not work.
 
=== Viruses ===
Because this file is a core Windows DLL, several [[Computer virus|viruses]] attempt to infect it. Some of these viruses are:
*[http://securityresponse.symantec.com/avcenter/venc/data/backdoor.hebolani.html Backdoor.Hebolani]
*[http://securityresponse.symantec.com/avcenter/venc/data/ceydem.6750.worm.html Ceydem.6750.Worm]
*[http://securityresponse.symantec.com/avcenter/venc/data/trojan.anicmoo.html Trojan.Anicmoo]
*[http://securityresponse.symantec.com/avcenter/venc/data/trojan.anicmoo.b.html Trojan.Anicmoo.B]
*[http://securityresponse.symantec.com/avcenter/venc/data/trojan.anicmoo.c.html Trojan.Anicmoo.C]
*[http://securityresponse.symantec.com/avcenter/venc/data/trojan.anicmoo.d.html Trojan.Anicmoo.D]
 
==External links==
* [http://www.andreavb.com/API_USER32.html API calls list - USER32.DLL] - Tips for using the User API Client Library with Visual Basic
 
== See also ==