W32.HLLW.Yoohoo.C

Risk Level 1: Very Low

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Discovered:: August 26, 2002
Updated:: February 13, 2007 11:40:07 AM
Also Known As:: W32.HLLW.Spear, Worm.P2P.Spear [KAV], W32/Speedup.worm [McAfee]
Type:: Worm
Systems Affected:: Windows 2000, Windows 95, Windows 98, Windows Me, Windows NT, Windows XP

W32.HLLW.Yoohoo.C is a worm that copies itself to the shared folders of the KaZaA, Bearshare, Morpheus, and eDonkey2000 file-sharing programs. It is written in the Borland Delphi programming language and may be compressed with UPX.

NOTE: Definitions dated prior to August 27, 2002 may detect this as W32.HLLW.Spear.

Antivirus Protection Dates

Initial Rapid Release version August 26, 2002
Latest Rapid Release version September 28, 2010 revision 054
Initial Daily Certified version August 26, 2002
Latest Daily Certified version September 28, 2010 revision 036
Initial Weekly Certified release date August 28, 2002

Click 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: Easy

Damage

Damage Level: Low

Distribution

Distribution Level: Medium

Writeup By: Brian Ewell

Technical Details

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Internet Security Threat Report, Volume 16