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Virus:Worm/Koobface.dix
Date discovered:29/01/2010
Type:Worm
In the wild:Yes
Reported Infections:Low
Distribution Potential:Low
Damage Potential:Low
Static file:Yes
File size:39.936 Bytes
MD5 checksum:8ba8a235dbb6febace0e09e75efb049a
IVDF version:7.10.03.118 - Friday, January 29, 2010

 General Aliases:
   •  Sophos: Mal/Generic-A
   •  Panda: W32/Koobface.GI.worm
   •  Eset: Win32/Koobface.NBH
   •  Bitdefender: Trojan.Generic.IS.126254


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


Side effects:
   • Drops malicious files
   • Registry modification

 Files It copies itself to the following location:
   • %drive%\windows\pp14.exe



It overwrites a file.
%WINDIR%\pp14.exe



It deletes the initially executed copy of itself.



It deletes the following file:
   • %WINDIR%\dxxdv34567.bat



The following files are created:

%WINDIR%\dxxdv34567.bat Furthermore it gets executed after it was fully created. This batch file is used to delete a file.
%WINDIR%\fdgg34353edfgdfdf



It tries to executes the following files:

Filename:
   • cmd /c %WINDIR%\dxxdv34567.bat


Filename:
   • pp14.exe

 Registry The following registry key is added in order to run the process after reboot:

[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Run]
   • "pp"="%WINDIR%\pp14.exe"

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

說明撰寫者 Petre Galan 開啟 2010年6月18日星期五
說明更新者 Petre Galan 開啟 2010年6月18日星期五

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