Virus:TR/Dldr.Stration.G
Date discovered:22/11/2006
Type:Trojan
Subtype:Downloader
In the wild:Yes
Reported Infections:High
Distribution Potential:Low
Damage Potential:Low to medium
Static file:No
File size:~23.500 Bytes
VDF version:6.36.01.66
IVDF version:6.36.01.70 - Wednesday, November 22, 2006

 General Method of propagation:
   • No own spreading routine


Aliases:
   •  Mcafee: W32/Stration.dr
   •  Kaspersky: Email-Worm.Win32.Warezov.gk
   •  F-Secure: W32/Warezov.GY
   •  Sophos: W32/Stratio-BS

It was previously detected as:
   •  TR/Drop.Stration.G


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


Side effects:
   • Downloads a malicious file
   • Drops a file


Right after execution the following information is displayed:



 Files It copies itself to the following location:
   • %SYSDIR%\%random character string%.exe



The following file is created:

– %malware execution directory%\%hex number%.tmp This is a non malicious text file with the following content:
   • %random character string%




It tries to download a file:

– The location is the following:
   • www6.rasetikuinyunhderunsa.com/chr/863/**********
It is saved on the local hard drive under: %TEMPDIR%\~%hex number%.tmp Furthermore this file gets executed after it was fully downloaded. Further investigation pointed out that this file is malware, too. Detected as: Worm/Stration.G

 File details 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 Adriana Popa on Wednesday, November 22, 2006
Description updated by Adriana Popa on Thursday, November 23, 2006

Back . . . .