TR/Dldr.Small.NIH - Trojan

See also

Summary

Full description

Statistics

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 - Mon, 20 Mar 2006 12:38 (GMT+1)

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

See a brief description here.

Description inserted by Andrei Gherman on Mon, 20 Mar 2006 13:40 (GMT+1)
Description updated by Andrei Gherman on Mon, 20 Mar 2006 16:51 (GMT+1)

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