1. Symantec/
  2. Security Response/
  3. Backdoor.Haxdoor.O


Risk Level 1: Very Low

July 23, 2006
February 13, 2007 12:57:52 PM
Also Known As:
Trojan Horse
Systems Affected:

Backdoor.Haxdoor.O is a Trojan horse program that opens a back door on the compromised computer and allows a remote attacker to have unauthorized access. It also logs keystrokes, steals passwords, and drops rootkits that run in safe mode.

This Trojan appears to have been spammed through email to multiple users in a .zip file attachment.

Note: Virus definitions released prior to July 25, 2006 may detect this threat as Backdoor.Haxdoor.I.

Antivirus Protection Dates

  • Initial Rapid Release version July 24, 2006
  • Latest Rapid Release version September 28, 2010 revision 054
  • Initial Daily Certified version July 24, 2006
  • Latest Daily Certified version September 28, 2010 revision 036
  • Initial Weekly Certified release date July 26, 2006
Click here for a more detailed description of Rapid Release and Daily Certified virus definitions.
Writeup By: Hyun Choi

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2016 Internet Security Threat Report, Volume 21
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