1. Symantec/
  2. Security Response/
  3. W32.Gaobot.AAY


Risk Level 2: Low

April 15, 2004
February 13, 2007 12:21:26 PM
Also Known As:
W32.HLLW.Gaobot.gen, W32/Gaobot.worm.gen.d [McAfee], Backdoor.Agobot.kr [Kaspersky]
Systems Affected:
Microsoft IIS, Windows

W32.Gaobot.AAY is a minor variant of W32.Gaobot.SY. This worm attempts to spread through network shares with weak passwords. It also allows attackers to access an infected computer using a predetermined IRC channel.

The worm uses multiple vulnerabilities to spread, including:
Note: Definitions dated prior to April 15, 2004 will detect this threat as W32.HLLW.Gaobot.gen.

Antivirus Protection Dates

  • Initial Rapid Release version April 15, 2004
  • Latest Rapid Release version August 20, 2008 revision 017
  • Initial Daily Certified version April 15, 2004
  • Latest Daily Certified version August 20, 2008 revision 016
  • Initial Weekly Certified release date April 17, 2004
Click here for a more detailed description of Rapid Release and Daily Certified virus definitions.
Writeup By: Neal Hindocha

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