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


Risk Level 1: Very Low

October 30, 2003
February 13, 2007 12:13:06 PM
Also Known As:
Systems Affected:

W32.HLLW.Gaobot.BT is a variant of W32.HLLW.Gaobot.AE that attempts to spread to network shares that have weak passwords, and allows access to an infected computer through an IRC channel. The worm also attempts to terminate the processes of various antivirus and firewall programs.

The worm uses multiple vulnerabilities to spread, including: W32.HLLW.Gaobot.BT is packed with ExeStealth and ASPack.

Antivirus Protection Dates

  • Initial Rapid Release version October 31, 2003
  • Latest Rapid Release version September 28, 2010 revision 054
  • Initial Daily Certified version October 31, 2003
  • Latest Daily Certified version September 28, 2010 revision 036
  • Initial Weekly Certified release date October 31, 2003
Click here for a more detailed description of Rapid Release and Daily Certified virus definitions.
Writeup By: Robert X Wang

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2016 Internet Security Threat Report, Volume 21
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