1. Symantec/
  2. Security Response/
  3. Backdoor.AntiLam.20.Q


Risk Level 1: Very Low

August 29, 2003
February 13, 2007 12:06:29 PM
Also Known As:
Backdoor.Antilam.20.q [KAV], BackDoor-BQ [McAfee]
Trojan Horse
Systems Affected:

Backdoor.AntiLam.20.Q is a Backdoor Trojan Horse that gives its creator access to your computer. By default this Trojan listens on ports 20226 and 52559. The existence of the file nas.exe is in indication of a possible infection. This threat is written in the Delphi programming language.

Antivirus Protection Dates

  • Initial Rapid Release version September 2, 2003
  • Latest Rapid Release version August 20, 2008 revision 017
  • Initial Daily Certified version September 2, 2003
  • Latest Daily Certified version August 20, 2008 revision 016
  • Initial Weekly Certified release date September 3, 2003
Click here for a more detailed description of Rapid Release and Daily Certified virus definitions.
Writeup By: Scott Gettis

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