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Virus:TR/Scar.ehcu.12
Date discovered:20/07/2011
Type:Trojan
In the wild:No
Reported Infections:Low to medium
Distribution Potential:Low
Damage Potential:Low to medium
Static file:Yes
File size:151.552 Bytes
MD5 checksum:3FEDC8C9E4618D998371349723D1BC41
VDF version:7.11.12.21 - Wednesday, July 20, 2011
IVDF version:7.11.12.21 - Wednesday, July 20, 2011

 General Aliases:
   •  TrendMicro: TROJ_PINCAV.IB
   •  Sophos: Troj/Inject-PS
     Microsoft: Worm:Win32/Dorkbot
     DrWeb: Trojan.DownLoader1.8357


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


Side effects:
   • Drops malicious files
   • Lowers security settings
   • Registry modification

 Files It copies itself to the following location:
   • %APPDATA%\%random character string%.exe



It deletes the initially executed copy of itself.

 Registry One of the following values is added in order to run the process after reboot:

  [HKCU\Software\Microsoft\Windows\CurrentVersion\Run]
   • "%random character string%"="%APPDATA%\%random character string%.exe"

 IRC To deliver system information and to provide remote control it connects to the following IRC Servers:

Server: **********dea.net
Port: 1587

Server: **********.hostname.ns1.name
Port: 1588

 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 Andrei Ilie on Thursday, September 29, 2011
Description updated by Andrei Ilie on Friday, September 30, 2011

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