Discovered: August 5, 2003
Updated: February 13, 2007 12:04:42 PM
Also Known As: Worm.P2P.Niklas [KAV], W32/MScr.worm!p2p [McAfee]
Type: Worm
Systems Affected: Windows 2000, Windows 95, Windows 98, Windows Me, Windows NT, Windows XP
W32.HLLW.Niklas is a worm that attempts to spread across file-sharing networks, such as KaZaA, Morpheus, and eDonkey2000. The worm prepends itself to executables it locates in certain folders. It will attempt to terminate the processes of various programs, including antivirus and firewall software.
W32.HLLW.Niklas is a Delphi application, packed with UPX 1.08, Yoda's Crypter 1.2. Protection
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Initial Rapid Release version August 6, 2003
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Latest Rapid Release version August 20, 2008 revision 017
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Initial Daily Certified version August 6, 2003
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Latest Daily Certified version August 20, 2008 revision 016
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Initial Weekly Certified release date August 6, 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
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Distribution Level: Medium
Writeup By: Sergei Shevchenko
