Virus:TR/Drop.Seman.2
Date discovered:12/07/2006
Type:Trojan
Subtype:Dropper
In the wild:No
Reported Infections:Low
Distribution Potential:Low
Damage Potential:Low to medium
Static file:Yes
File size:788.516 Bytes
MD5 checksum:5175cbc84d3727164d65d667202c0F57
VDF version:6.35.00.154
IVDF version:6.35.00.193 - Thursday, July 20, 2006

 General Method of propagation:
   • No own spreading routine


Alias:
   •  TrendMicro: TROJ_DROPPER.BIQ


Platforms / OS:
   • Windows 95
   • Windows 98
   • Windows 98 SE
   • Windows NT
   • Windows ME
   • Windows 2000
   • Windows XP
   • Windows 2003


Side effects:
   • Drops malicious files
   • Registry modification


Right after execution the following information is displayed:


 Files The following files are created:

– c:\windows\XGBPlugin.dll Further investigation pointed out that this file is malware, too. Detected as: TR/Spy.Banker.axo.2

– c:\windows\svcpool.dll Detected as: TR/Spy.Banker.axo.1

– c:\windows\IEXPLORER.exe Detected as: TR/Spy.Banker.Gen

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

– HKCU\Software\WinRAR SFX
   • "C%%WINDOWS%"="%WINDIR%\"

 File details Programming language:
 The malware program was written in Delphi.


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

Description inserted by Marius T. Nicolae on Wednesday, August 30, 2006
Description updated by Andrei Ivanes on Thursday, September 14, 2006

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