Backdoor.Zombam

Risk Level 1: Very Low

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Discovered:: April 7, 2003
Updated:: February 13, 2007 11:45:26 AM
Also Known As:: Backdoor.Zombam.d [KAV]
Type:: Trojan Horse
Systems Affected:: Windows 2000, Windows 95, Windows 98, Windows Me, Windows NT, Windows XP

Backdoor.Zombam is a Backdoor Trojan that gives a hacker access to your computer, via a Web browser. The Trojan attempts to terminate various antivirus and firewall processes. The existence of the file Ckmgr.exe is an indication of a possible infection.

This Trojan opens port 80, by default.

Antivirus Protection Dates

Initial Rapid Release version April 7, 2003
Latest Rapid Release version August 20, 2008 revision 017
Initial Daily Certified version April 7, 2003
Latest Daily Certified version August 20, 2008 revision 016
Initial Weekly Certified release date April 9, 2003

Click for a more detailed description of Rapid Release and Daily Certified virus definitions.

Threat Assessment

Wild

Wild Level: Low
Number of Infections: 0 - 49
Number of Sites: 0 - 2
Geographical Distribution: Low
Threat Containment: Easy
Removal: Moderate

Damage

Damage Level: Medium

Distribution

Distribution Level: Low

Writeup By: Kaoru Hayashi

Technical Details

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Internet Security Threat Report, Volume 16