Virus:TR/Drop.Banload.XY
Date discovered:20/03/2006
Type:Trojan
Subtype:Dropper
In the wild:Yes
Reported Infections:Low
Distribution Potential:Low
Damage Potential:Low to medium
Static file:Yes
File size:256.614 Bytes
MD5 checksum:027ee891df601e8c7e6c9d2441b67ba6
VDF version:6.34.00.73

 General Method of propagation:
   • No own spreading routine


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


Side effects:
   • Drops malicious files

 Files It deletes the initially executed copy of itself.



The following files are created:

– %SYSDIR%\guisetup.exe Furthermore it gets executed after it was fully created. Further investigation pointed out that this file is malware, too. Detected as: TR/Banload.XY.2

– %SYSDIR%\msupdate.dll Further investigation pointed out that this file is malware, too.
– C:\update.sys Contains parameters used by the malware.
– %malware execution directory%\setup.cmd This batch file is used to delete a file.

 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:
   • ASPack

Description inserted by Andrei Gherman on Monday, March 20, 2006
Description updated by Andrei Gherman on Tuesday, March 21, 2006

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