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Discovered:
- October 19, 2004
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Updated:
- February 13, 2007 12:28:51 PM
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Also Known As:
- Backdoor.Win32.VB.un [Kaspersk, BackDoor-BDN [McAfee]
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Type:
- Trojan Horse
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Systems Affected:
- Windows 2000, Windows 95, Windows 98, Windows Me, Windows NT, Windows Server 2003, Windows XP
Trojan.Watsoon.A is a polymorphic Trojan horse that opens a backdoor on a compromised computer. By default is uses TCP port 19381
NOTE:. Definitions prior to 27th October 2004 may detect this threat as W32.Watsoon.A
Antivirus Protection Dates
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Initial Rapid Release version October 20, 2004
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Latest Rapid Release version September 4, 2012 revision 034
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Initial Daily Certified version October 20, 2004
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Latest Daily Certified version September 5, 2012 revision 002
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Initial Weekly Certified release date October 20, 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: 0 - 49
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Number of Sites: 0 - 2
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Geographical Distribution: Low
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Threat Containment: Easy
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Removal: Moderate
Writeup By: John Canavan
