TR/Agent.XZ.2 - Trojan

See also

Summary

Full description

Statistics

Virus:	TR/Agent.XZ.2
Date discovered:	15/08/2006
Type:	Trojan
In the wild:	No
Reported Infections:	Low
Distribution Potential:	Low
Damage Potential:	Low to medium
Static file:	Yes
File size:	229.376 Bytes
MD5 checksum:	0909f75f0Ecfdee39dbc872b680251a3
VDF version:	6.35.01.94 - Tue, 15 Aug 2006 10:23 (GMT+1)
IVDF version:	6.35.01.95 - Tue, 15 Aug 2006 11:39 (GMT+1)

General Method of propagation:
   • No own spreading routine

Aliases:
   • Kaspersky: Trojan.Win32.Agent.xz
   • TrendMicro: TROJ_STARTPA.CZ

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

Side effects:
   • Drops files
   • Registry modification
   • Steals information
   • Third party control

Files It copies itself to the following location:
   • %SYSDIR%\mouser.exe

It tries to download some files:

– The location is the following:
   • http://www.v0107.com/0107/**********
It is saved on the local hard drive under: %SYSDIR%\mouser.xl This file may contain further download locations and might serve as source for new threats.

– The location is the following:
   • http://www.8wei.net/ad2/**********
It is saved on the local hard drive under: %SYSDIR%\cj.xl This file may contain further download locations and might serve as source for new threats.

Registry The following registry key is added:

– HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon
• "Userinit"="%SYSDIR%\userinit.exe,%SYSDIR%\mouser.exe"

Backdoor The following:
   • http://www.xh5.cn/**********?id=2&mac=%MAC address%&yanzheng=%hex number%

As a result it may send some information.

Sends information about:
    • MAC address
    • Current malware status

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:
• PECompact

See a brief description here.

Description inserted by Marius T. Nicolae on Thu, 14 Sep 2006 12:13 (GMT+1)
Description updated by Andrei Ivanes on Wed, 18 Oct 2006 10:06 (GMT+1)

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