TR/Dldr.Agen.ZV.1.B - Trojan

See also

Summary

Full description

Statistics

Virus:	TR/Dldr.Agen.ZV.1.B
Date discovered:	29/10/2007
Type:	Trojan
Subtype:	Downloader
In the wild:	No
Reported Infections:	Low
Distribution Potential:	Low
Damage Potential:	Low to medium
Static file:	No
File size:	~9.000 Bytes
VDF version:	7.00.00.151

General Method of propagation:
   • No own spreading routine

Aliases:
   • Mcafee: Vundo trojan
   • Kaspersky: Trojan-Downloader.Win32.ConHook.hl
   • F-Secure: Trojan-Downloader.Win32.ConHook.hl
   • Panda: Adware/PurityScan
   • Grisoft: Downloader.Small.AVQ
   • Eset: Win32/TrojanDownloader.Agent.NSM trojan

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

Side effects:
   • Third party control

Files It copies itself to the following location:
• %SYSDIR%\__%eight-digit random character string%.dat

Registry The following registry key is changed:

– [HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Windows]
   Old value:
   • "Appinit_DLLs" = ""
   New value:
   • "AppInit_DLLs"="%malware execution directory%\%executed file%"

Backdoor Contact server:
All of the following:
   • http://65.243.103.62/**********
   • http://xsearchz.com/**********

Sends information about:
    • Current malware status

Remote control capabilities:
    • Download file
    • Visit a website

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:
• UPX

See a brief description here.

Description inserted by Alexander Neth on Wed, 12 Dec 2007 12:51 (GMT+1)
Description updated by Alexander Neth on Wed, 12 Dec 2007 14:41 (GMT+1)

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