Symantec.com > Security Response > Backdoor.Xenozbot

Backdoor.Xenozbot

Risk Level 1: Very Low

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Discovered: January 7, 2003
Updated: February 13, 2007 11:42:09 AM
Also Known As: Backdoor.Xenozbot[AVP, BackDoor-AMA [McAfee], Troj/Xenozbot[Sophos]
Type: Trojan Horse
Systems Affected: Windows 2000, Windows 95, Windows 98, Windows Me, Windows NT, Windows XP


The Backdoor.Xenozbot Backdoor Trojan copies itself to the %Windir% folder as Explorer.exe .

NOTE: There is a space in this file name following the .exe extension. As a result, this does not overwrite the legitimate Windows file Explorer.exe.

Protection

  • Initial Rapid Release version January 8, 2003
  • Latest Rapid Release version June 22, 2009 revision 066
  • Initial Daily Certified version January 8, 2003
  • Latest Daily Certified version June 19, 2009 revision 051
  • Initial Weekly Certified release date January 8, 2003

Click here 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: Douglas Knowles
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