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Virus:TR/Obfuscator.psb
Date discovered:07/02/2011
Type:Trojan
In the wild:Yes
Reported Infections:Low to medium
Distribution Potential:Low
Damage Potential:Low to medium
Static file:Yes
File size:98.304 Bytes
MD5 checksum:57e5fd58bebc524c6dd7c59d222d92f3
VDF version:7.10.08.143
IVDF version:7.11.02.91 - Monday, February 7, 2011

 General Aliases:
   •  Kaspersky: P2P-Worm.Win32.Palevo.bjzn
   •  Bitdefender: Trojan.Generic.KDV.90719
     GData: Trojan.Generic.KDV.90719
     DrWeb: Trojan.MulDrop1.57578


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


Side effects:
   • Drops malicious files
   • Registry modification

 Files It copies itself to the following location:
   • %recycle bin%\%CLSID%\csidrv.exe



The following file is created:

%recycle bin%\%CLSID%\Desktop.ini

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

[HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon]
   • "Taskman"="%recycle bin%\%CLSID%\csidrv.exe"

 Backdoor Contact server:
The following:
   • windows.lit**********.com:1863 (UDP)


 Injection It injects itself as a remote thread into a process.

    Process name:
   • explorer.exe


 Miscellaneous Mutex:
It creates the following Mutex:
   • ihrnf12

 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 a runtime packer.

Description inserted by Petre Galan on Wednesday, June 8, 2011
Description updated by Petre Galan on Wednesday, June 8, 2011

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