1. Symantec/
  2. Security Response/
  3. W32.HLLW.Gaobot.AE


Risk Level 1: Very Low

September 9, 2003
February 13, 2007 12:07:09 PM
Also Known As:
W32.HLLW.Gaobot.AA, Backdoor.Agobot.3.f [Kaspersky, W32/Agobot.AA [Frisk]
Systems Affected:

W32.HLLW.Gaobot.AE is a minor variant of W32.HLLW.Gaobot.AA that attempts to spread to network shares with weak passwords. The worm also allows for a hacker to access an infected computer through IRC.

The worm uses the following vulnerabilities:
W32.HLLW.Gaobot.AE is compressed with UPX.

Note: Virus definitions dated prior to September 11, 2003 may detect this threat as W32.HLLW.Gaobot.AA.

Antivirus Protection Dates

  • Initial Rapid Release version September 11, 2003
  • Latest Rapid Release version March 3, 2008 revision 035
  • Initial Daily Certified version September 11, 2003
  • Latest Daily Certified version March 3, 2008 revision 037
  • Initial Weekly Certified release date September 11, 2003
Click here for a more detailed description of Rapid Release and Daily Certified virus definitions.
Writeup By: Kaoru Hayashi

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