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W32.Gaobot.YC

Risk Level 2: Low

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Discovered:
April 7, 2004
Updated:
February 13, 2007 12:20:55 PM
Type:
Worm
Systems Affected:
Windows 2000, Windows 95, Windows 98, Windows Me, Windows NT, Windows Server 2003, Windows XP


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

The worm uses multiple vulnerabilities to spread, including: W32.Gaobot.YC is packed with UPX and IHMOWrap3.

Antivirus Protection Dates

  • Initial Rapid Release version April 8, 2004
  • Latest Rapid Release version March 3, 2008 revision 035
  • Initial Daily Certified version April 8, 2004
  • Latest Daily Certified version March 3, 2008 revision 037
  • Initial Weekly Certified release date April 14, 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: 0 - 49
  • Number of Sites: 0 - 2
  • Geographical Distribution: Low
  • Threat Containment: Easy
  • Removal: Moderate

Damage

  • Damage Level: Medium

Distribution

  • Distribution Level: Medium
Writeup By: Kevin Ha
Summary| Technical Details| Removal

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