W32.HLLW.Moega.AG

Risk Level 1: Very Low

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Discovered:: February 10, 2004
Updated:: February 13, 2007 12:17:14 PM
Type:: Worm
Systems Affected:: Windows 2000, Windows 95, Windows 98, Windows Me, Windows NT, Windows Server 2003, Windows XP

W32.HLLW.Moega.AG is a variant of W32.HLLW.Moega.E that has backdoor capabilities. It attempts to spread through the local area network. The worm connects to an IRC server to receive further instructions from an attacker.

The W32.HLLW.Moega.AG executable icon looks similar to that of the Windows XP Windows Update executable, Wupdated.exe. See the "Technical Details" section for an illustration.

Antivirus Protection Dates

Initial Rapid Release version February 10, 2004
Latest Rapid Release version September 28, 2010 revision 054
Initial Daily Certified version February 10, 2004
Latest Daily Certified version September 28, 2010 revision 036
Initial Weekly Certified release date February 11, 2004

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: Medium

Distribution

Distribution Level: Medium

Writeup By: Robert X Wang

Technical Details

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Internet Security Threat Report, Volume 16