W32.HLLW.Dormin.A@mm

Risk Level 2: Low

Printer Friendly Page|Rate this page

Discovered:: March 5, 2003
Updated:: February 13, 2007 11:43:49 AM
Also Known As:: W32/Nimrod.worm [McAfee], I-Worm.Nimrod.b [KAV]
Type:: Worm
Systems Affected:: Windows 2000, Windows 95, Windows 98, Windows Me, Windows NT, Windows XP

W32.HLLW.Dormin.A@mm is a mass-mailing worm that sends itself to all the contacts in the Microsoft Outlook Address Book. The email has the following characteristics:
Subject: Check this out!
Attachment: FlashMovie.exe

When W32.HLLW.Dormin.A@mm is run, it displays the fake error message, "MacroMedia Shockwave Flash is not installed!"

Antivirus Protection Dates

Initial Rapid Release version March 6, 2003
Latest Rapid Release version September 28, 2010 revision 054
Initial Daily Certified version March 6, 2003
Latest Daily Certified version September 28, 2010 revision 036
Initial Weekly Certified release date March 12, 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: Easy

Damage

Damage Level: Low

Distribution

Distribution Level: High

Writeup By: Douglas Knowles

Technical Details

Search Threats

Search by name

Example: W32.Beagle.AG@mm

Internet Security Threat Report, Volume 16