Virus:TR/Dldr.Small.NIH
CME number:934
Date discovered:20/03/2006
Type:Trojan
Subtype:Downloader
In the wild:Yes
Reported Infections:Low
Distribution Potential:Low
Damage Potential:Low to medium
Static file:Yes
File size:5.564 Bytes
MD5 checksum:aa66c9e160d1851deefa2d759afa6199
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:
   • Downloads a malicious file

 Files It deletes the initially executed copy of itself.




It tries to download a file:

– The location is the following:
   • http://akgulati.com/**********
It is saved on the local hard drive under: %WINDIR%\suhoy112.exe Furthermore this file gets executed after it was fully downloaded. Further investigation pointed out that this file is malware, too. Detected as: TR/Drop.Banload.XY

 Registry It creates the following entry in order to bypass the Windows XP firewall:

– [HKLM\SYSTEM\CurrentControlSet\Services\SharedAccess\Parameters\
   FiREWaLLpolicy\StAnDaRDPrOFiLe\AUtHorizedapplications\List]
   • %executed file% = %executed file%:*:ENABLED:0

 File details Runtime packer:
In order to aggravate detection and reduce size of the file it is packed with the following runtime packer:
   • FSG 2.0

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

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