Discovered: July 9, 2003
Updated: February 13, 2007 12:03:36 PM
Also Known As: W32.Laorenshen.Trojan, Trojan.Win32.Laoshen.a [Kasper, Laoren [McAfee], TROJ_LARENSHEN.A [Trend Micro], Troj/Laoshen-A [Sophos]
Type: Trojan Horse
Systems Affected: Windows 2000, Windows 95, Windows 98, Windows Me, Windows NT, Windows Server 2003, Windows XP
Trojan.Laorenshen is a Trojan Horse that tries to delete files and block the use of the computer's normal programs. It is compressed with UPX and ASPack.
Protection
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Initial Rapid Release version July 10, 2003
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Latest Rapid Release version August 20, 2008 revision 017
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Initial Daily Certified version July 10, 2003
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Latest Daily Certified version August 20, 2008 revision 016
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Initial Weekly Certified release date July 16, 2003
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
Damage
Distribution
Writeup By: Jari Kytojoki
