Backdoor.Zyxerv

Risk Level 1: Very Low

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Discovered:: January 20, 2003
Updated:: February 13, 2007 11:42:27 AM
Type:: Trojan Horse
Systems Affected:: Windows 2000, Windows 95, Windows 98, Windows Me, Windows NT, Windows XP

Backdoor.Zyxerv is a backdoor Trojan that allows a hacker to run arbitrary commands on the infected computer. The Trojan sends information, via email, from the infected computer to a specific email address. It also downloads files from an email account and then executes them on the computer.

NOTE: Definitions dated prior to March 5, 2003 detect this threat as Backdoor.Zix.

Antivirus Protection Dates

Initial Rapid Release version January 21, 2003
Latest Rapid Release version December 18, 2009 revision 004
Initial Daily Certified version January 21, 2003
Latest Daily Certified version December 18, 2009 revision 003
Initial Weekly Certified release date January 22, 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: High

Distribution

Distribution Level: Low

Writeup By: Eric Chien

Technical Details

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Internet Security Threat Report, Volume 16