W32.HLLW.Ultimax

Risk Level 2: Low

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Discovered:: July 16, 2002
Updated:: February 13, 2007 11:39:46 AM
Also Known As:: W32.Ultimax.Worm, Win32.Ultimax.A [CA], W32/Ultimax.Worm [McAfee], TROJ_ULTIMAX.A [Trend], TrojanDownloader.Win32.Ultimx.
Type:: Worm
Systems Affected:: Windows 2000, Windows 98, Windows Me, Windows NT, Windows XP

W32.HLLW.Ultimax is a worm that copies itself into the startup folder on open shares. It also attempts to download and run a file that gives access to pornographic material. Several variants are detected as W32.HLLW.Ultimax.

For information on protection shared files and folders, read the document How to configure shared Windows folders for maximum network protection.

Antivirus Protection Dates

Initial Rapid Release version July 17, 2002
Latest Rapid Release version September 28, 2010 revision 054
Initial Daily Certified version July 17, 2002
Latest Daily Certified version September 28, 2010 revision 036
Initial Weekly Certified release date July 17, 2002

Click for a more detailed description of Rapid Release and Daily Certified virus definitions.

Threat Assessment

Wild

Wild Level: Medium
Number of Infections: More than 1000
Number of Sites: More than 10
Geographical Distribution: Medium
Threat Containment: Easy
Removal: Moderate

Damage

Damage Level: Low

Distribution

Distribution Level: Medium

Writeup By: Peter Ferrie

Technical Details

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Internet Security Threat Report, Volume 16