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Virus:Worm/Autorun.gwv
Date discovered:14/10/2009
Type:Worm
In the wild:Yes
Reported Infections:Low to medium
Distribution Potential:Low to medium
Damage Potential:Low to medium
Static file:Yes
File size:39.424 Bytes
MD5 checksum:f2bd0036ddf887dcdf33dbc9f8af51a5
IVDF version:7.01.06.108 - Wednesday, October 14, 2009

 General Aliases:
   •  Mcafee: Generic Dropper.nh trojan
   •  Sophos: Mal/WaledPak-D
   •  Panda: W32/AutoRun.DJ.worm
   •  Eset: Win32/AutoRun.FakeAlert.DF
   •  Bitdefender: Trojan.Generic.2522710


Platforms / OS:
   • Windows 2000
   • Windows XP
   • Windows 2003


Side effects:
   • Downloads a malicious file
   • Drops malicious files
   • Registry modification

 Files It copies itself to the following location:
   • %PROGRAM FILES%\Microsoft Common\svchost.exe



It deletes the initially executed copy of itself.




It tries to download a file:

– The location is the following:
   • http://dia2.cn/emo/**********?v=1&rs=%SID%&n=1&uid=1
At the time of writing this file was not online for further investigation.

 Registry The following registry key is added:

– [HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion\
   Image File Execution Options\explorer.exe]
   • "Debugger"="%PROGRAM FILES%\Microsoft Common\svchost.exe"

 File details Runtime packer:
In order to aggravate detection and reduce size of the file it is packed with a runtime packer.

Description inserted by Petre Galan on Monday, December 14, 2009
Description updated by Petre Galan on Monday, December 14, 2009

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