TR/Zlob.KJ - Trojan

See also

Summary

Full description

Statistics

Virus:	TR/Zlob.KJ
Date discovered:	26/05/2008
Type:	Trojan
In the wild:	No
Reported Infections:	Low
Distribution Potential:	Low
Damage Potential:	Low
Static file:	No
File size:	~15.000 Bytes
IVDF version:	7.00.04.95 - Mon, 26 May 2008 17:29 (GMT+1)

General Method of propagation:
   • No own spreading routine

Aliases:
   • Mcafee: Puper trojan
   • Kaspersky: Trojan.Win32.Small.azx
   • F-Secure: Trojan.Win32.Small.azx
   • Grisoft: Downloader.Zlob
   • Eset: Win32/TrojanDownloader.Zlob.BYT trojan
   • Bitdefender: Trojan.Downloader.Zlob.ABVY

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

Side effects:
   • Drops a malicious file
   • Registry modification

Files The following file is created:

– %malware execution directory%\scm.exe Furthermore it gets executed after it was fully created. Further investigation pointed out that this file is malware, too. Detected as: TR/Zlob.KJ

Registry The following registry key is added in order to run the process after reboot:

– [HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\policies\explorer\
run]
• "some"="%malware execution directory%\%executed file%"

File details Programming language:
The malware program was written in MS Visual C++.

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 Thomas Wegele on Wed, 18 Jun 2008 13:38 (GMT+1)
Description updated by Thomas Wegele on Wed, 18 Jun 2008 13:47 (GMT+1)

» About Malware
» About Phishing
» Viruses In the Wild

« back