W32.HLLW.Yodidoo

Risk Level 1: Very Low

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Discovered:: August 19, 2003
Updated:: February 13, 2007 12:06:13 PM
Also Known As:: W32.HLLW.Yodo
Type:: Worm
Systems Affected:: Windows 2000, Windows 95, Windows 98, Windows Me, Windows NT, Windows XP

W32.HLLW.Yodidoo is a worm that spreads through the KaZaA file-sharing network. It copies itself as C:\Windows\System32\Updater.exe.

W32.HLLW.Yodidoo is written in the Microsoft Visual Basic programming language.

NOTE: Definitions dated prior to September 2, 2003 may detect this threat as W32.HLLW.Yodo.

Antivirus Protection Dates

Initial Rapid Release version August 20, 2003
Latest Rapid Release version September 28, 2010 revision 054
Initial Daily Certified version August 20, 2003
Latest Daily Certified version September 28, 2010 revision 036
Initial Weekly Certified release date August 20, 2003

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: Moderate

Damage

Damage Level: Low

Distribution

Distribution Level: Medium

Writeup By: Scott Gettis

Technical Details

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Internet Security Threat Report, Volume 16