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Discovered:
- March 19, 2004
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Updated:
- February 13, 2007 12:19:38 PM
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Also Known As:
- W32.HLLW.Polybot, Phatbot, W32/Polybot.l!irc [McAfee], WORM_AGOBOT.HM [Trend], Backdoor.Agobot.hm [Kaspersky]
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Type:
- Worm
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Systems Affected:
- Windows 2000, Windows 95, Windows 98, Windows Me, Windows NT, Windows Server 2003, Windows XP
W32.Gaobot.gen!poly is a worm that attempts to spread through network shares with weak passwords. It also allows attackers to access an infected computer using a predetermined IRC channel.
The worm uses multiple vulnerabilities to spread, including:
Notes:
- Virus Definitions released before March 24, 2004 detect this threat as W32.HLLW.Polybot.
- Virus Definitions released after February 27, 2004 and before March 19, 2004 detect this threat as W32.HLLW.Gaobot.gen.
Antivirus Protection Dates
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Initial Rapid Release version March 19, 2004
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Latest Rapid Release version April 25, 2011 revision 024
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Initial Daily Certified version March 19, 2004
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Latest Daily Certified version April 25, 2011 revision 037
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Initial Weekly Certified release date March 24, 2004
Click for a more detailed description of Rapid Release and Daily Certified virus definitions.
Threat Assessment
Wild
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Wild Level: Low
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Number of Infections: 50 - 999
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Number of Sites: More than 10
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Geographical Distribution: Low
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Threat Containment: Moderate
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Removal: Moderate
Distribution
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Distribution Level: Medium
Writeup By: Asuka Yamamoto
