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W32.Gaobot.FO

Risk Level 1: Very Low

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Discovered:
May 26, 2004
Updated:
February 13, 2007 12:23:15 PM
Also Known As:
Backdoor.Agobot.3.gen [Kaspers, W32/Gaobot.worm.gen.d [McAfee]
Type:
Worm
Systems Affected:
Windows 2000, Windows NT, Windows XP

W32.Gaobot.FO is a variant of W32.HLLW.Gaobot that attempts to spread through network shares and allows access to an infected computer through an IRC channel.

The worm uses multiple vulnerabilities to spread, including:

W32.Gaobot.FO is compressed with ASPack.

Note: Virus definitions released on 1/9/2004 detect this threat as W32.HLLW.Gaobot.gen.

Antivirus Protection Dates

  • Initial Rapid Release version May 27, 2004
  • Latest Rapid Release version May 27, 2004
  • Initial Daily Certified version May 27, 2004
  • Latest Daily Certified version May 27, 2004
  • Initial Weekly Certified release date May 28, 2004
Click here for a more detailed description of Rapid Release and Daily Certified virus definitions.

Threat Assessment

Wild

  • Wild Level: Low
  • Number of Infections: More than 1000
  • Number of Sites: More than 10
  • Geographical Distribution: Low
  • Threat Containment: Easy
  • Removal: Moderate

Damage

  • Damage Level: Medium

Distribution

  • Distribution Level: Medium
Writeup By: Jeong Mun
Summary| Technical Details| Removal

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