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


Risk Level 2: Low

September 3, 2004
February 13, 2007 12:27:12 PM
Systems Affected:

W32.Gaobot.BIA is a network-aware worm that spreads to remote network shares, through backdoors opened by other common backdoor Trojan horse programs, and by exploiting several Windows vulnerabilities. The worm opens a backdoor and allows a remote attacker to have unauthorized access to the infected computer.

Antivirus Protection Dates

  • Initial Rapid Release version September 4, 2004
  • Latest Rapid Release version March 3, 2008 revision 035
  • Initial Daily Certified version September 4, 2004
  • Latest Daily Certified version March 3, 2008 revision 037
  • Initial Weekly Certified release date September 8, 2004
Click here for a more detailed description of Rapid Release and Daily Certified virus definitions.
Writeup By: Candid Wueest

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STAR Antimalware Protection Technologies
2016 Internet Security Threat Report, Volume 21
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