Backdoor.Zombam.B

Risk Level 1: Very Low

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Discovered:: September 26, 2003
Updated:: February 13, 2007 12:06:00 PM
Also Known As:: Backdoor.Zombam.i[AVP]
Type:: Trojan Horse
Systems Affected:: Windows 2000, Windows 95, Windows 98, Windows Me, Windows NT, Windows Server 2003, Windows XP

Backdoor.Zombam.B is a Backdoor Trojan that allows its creator to use a Web browser to access your computer.

The Trojan attempts to terminate various antivirus and firewall processes. The Trojan is created using Hacktool.HTTPRat. It opens port 80, by default.

Antivirus Protection Dates

Initial Rapid Release version September 26, 2003
Latest Rapid Release version January 8, 2012 revision 004
Initial Daily Certified version September 26, 2003
Latest Daily Certified version January 8, 2012 revision 006
Initial Weekly Certified release date October 1, 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: Easy

Damage

Damage Level: Low

Distribution

Distribution Level: Low

Writeup By: John Canavan

Technical Details

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Internet Security Threat Report, Volume 16