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Date discovered:08/11/2007
In the wild:Yes
Reported Infections:Low to medium
Distribution Potential:Low to medium
Damage Potential:Low to medium
Static file:Yes
File size:16.896 Bytes
MD5 checksum:f5381b8291d2091ef1042fe330dac8d4
IVDF version:

 General Method of propagation:
   • Autorun feature

   •  Mcafee: W32/Autorun.worm.i.gen
   •  Sophos: Mal/Emogen-F
   •  Panda: Trj/VB.AEL
   •  Eset: Win32/AutoRun.E
   •  Bitdefender: Trojan.Agent.VB.AQH

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 locations:
   • %WINDIR%\inf\svchost.exe
   • %PROGRAM FILES%\Uninstall Information\iiehe.exe
   • %drive%\svchost.exe

The following files are created:

– C:\autlog.ini
%drive%\autorun.inf This is a non malicious text file with the following content:
   • %code that runs malware%

It tries to download a file:

– The location is the following:

It tries to executes the following file:

– Filename:
   • "%SYSDIR%\svchost.exe"

 Registry The following registry keys are added in order to run the processes after reboot:

– [HKCU\Software\Microsoft\Windows\CurrentVersion\Run]
   • "systems"="%WINDIR%\inf\svchost.exe"

– [HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Run]
   • "asiieh"="%PROGRAM FILES%\uninstall information\iiehe.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 Wednesday, July 7, 2010
Description updated by Petre Galan on Wednesday, July 7, 2010

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