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Virus:BDS/Sinowal.yakl
Date discovered:16/11/2011
Type:Backdoor Server
In the wild:No
Reported Infections:Medium
Distribution Potential:Medium
Damage Potential:Medium
VDF version:7.11.17.200 - Wednesday, November 16, 2011
IVDF version:7.11.17.200 - Wednesday, November 16, 2011

 General Method of propagation:
   • No own spreading routine


Aliases:
   •  Bitdefender: Trojan.PWS.Sinowal.NDF
   •  Eset: Win32/Kryptik.VKQ


Platforms / OS:
   • Windows 95
   • Windows 98
   • Windows 98 SE
   • Windows NT
   • Windows ME
   • Windows 2000
   • Windows XP
   • Windows 2003
   • Windows Vista
   • Windows Server 2008
   • Windows 7


Side effects:
   • Third party control
   • Steals information

 Registry The following registry key is added:

– [HKLM\SYSTEM\CurrentControlSet\Control\Session Manager]
   • "PendingFileRenameOperations"=\%malware execution directory%\%malware%.exe

 Backdoor The following port is opened:

%malware execution directory%\%malware%.exe on a random TCP port 80 in order to provide backdoor capabilities.


Contact server:
The following:
   • http://isys67**********ftsg.com/searcho?fr=altavista**********&p=21

As a result it may send some information.

Sends information about:
    • Information about running processes

 File details Programming language:
The malware program was written in MS Visual C++.


Runtime packer:
In order to aggravate detection and reduce size of the file it is packed with the following runtime packer:
   • UPolyX v0.5

Description inserted by Jason Soo on Friday, November 18, 2011
Description updated by Jason Soo on Friday, November 18, 2011

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