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Virus:Win32/Patchload.Q


First posted on 09 August 2011.
Source: SecurityHome

Aliases :

There are no other names known for Virus:Win32/Patchload.Q.

Explanation :

Virus:Win32/Patchload.Q is a DLL system file that has been modified, by a variant of PWS:Win32/OnLineGames, to run other files that may also be malware, such as other variants of PWS:Win32/OnLineGames.


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Virus:Win32/Patchload.Q is a DLL system file that has been modified, by a variant of PWS:Win32/OnLineGames, to run other files that may also be malware, such as other variants of PWS:Win32/OnLineGames.



Installation

Virus:Win32/Patchload.Q is present as code appended to the last PE section in an affected file. When the DLL is called by an application with dependencies, Virus:Win32/Patchload.Q will run its payload.



Payload

Loads arbitrary files

When Virus:Win32/Patchload.Q executes, it attempts to load other files by specific file name, hard-coded in the malware. In the wild, this malware was observed to load files having the following names:

  • win32.dll
  • nt32.dll


These file names have been associated with other malware, including PWS:Win32/OnLineGames.KQ and PWS:Win32/OnLineGames.ZDV!dll.



Analysis by Jonathan San Jose

Last update 09 August 2011

 

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