Virus:TR/Drop.Spybo.54272
Date discovered:03/11/2009
Type:Trojan
Subtype:Dropper
In the wild:Yes
Reported Infections:Low
Distribution Potential:Low to medium
Damage Potential:Medium
Static file:Yes
File size:54.272 Bytes
MD5 checksum:a02d7f5e3679ebc70506345ebfa09888
IVDF version:7.01.06.185 - Tuesday, November 3, 2009

 General Aliases:
   •  Mcafee: W32/Spybot.worm.gen
   •  Sophos: W32/Spybot-OL
   •  Panda: W32/Socks.AR.worm
   •  Eset: Win32/IRCBot
   •  Bitdefender: Trojan.Generic.1701642


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


Side effects:
   • Downloads malicious files
   • Drops malicious files
   • Registry modification
   • Third party control

 Files It copies itself to the following location:
   • %SYSDIR%\lssas.exe



It deletes the initially executed copy of itself.



It deletes the following file:
   • C:\vx\owfmf.bat



The following file is created:

– %malware execution directory%\owfmf.bat Furthermore it gets executed after it was fully created. This batch file is used to delete a file.



It tries to download a file:

– The location is the following:
   • http://millanchannel.info/**********
At the time of writing this file was not online for further investigation.

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

–  [HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Run]
   • "Local Security Authority Service"="%SYSDIR%\lssas.exe"

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

Server: russia.bl**********.com
Port: 7575
Channel: #russia#
Nickname: %random character string%

Server: dirty.ei**********.com
Port: 2569
Channel: #russia#
Nickname: %random character string%

 File details 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 Monday, March 1, 2010
Description updated by Petre Galan on Monday, March 1, 2010

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