W32.Maldal.D@mm

Risk Level 2: Low

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Discovered:: December 29, 2001
Updated:: February 13, 2007 11:58:39 AM
Also Known As:: I-Worm.Maldal.d [KAV], I-Worm.Maldal.e [KAV], I-Worm.Maldal.f [KAV], W32/Maldal.d@MM [McAfee], W32/Maldal.e@MM [McAfee], W32/Maldal.f@MM [McAfee], W32/Maldal.g@MM [McAfee], WORM_MALDAL.D [Trend], WORM_MALDAL.E [Trend], WORM_MALDAL.F [Trend], WORM_MALDAL.G [Trend], W32/Maldal-D [Sophos], W32/Maldal-F [Sophos], W32/Maldal-G [Sophos], Win32.Maldal.D [CA], Win32.Maldal.E [CA], Win32.Maldal.F [CA], Win32.Maldal.G [CA]
Type:: Worm
Systems Affected:: Windows 2000, Windows 95, Windows 98, Windows Me, Windows NT, Windows XP

W32.Maldal.D@mm is an extremely damaging worm. It was written and distributed on December 28, 2001. The virus code is in Visual Basic. It is about 27 KB in size and is packed using Aspack. The worm uses Microsoft Outlook to send itself to all contacts in your Microsoft Outlook address book.

Antivirus Protection Dates

Initial Rapid Release version December 29, 2001
Latest Rapid Release version September 26, 2008 revision 048
Initial Daily Certified version December 29, 2001
Latest Daily Certified version September 27, 2008 revision 002
Initial Weekly Certified release date December 29, 2001

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

Threat Assessment

Wild

Wild Level: Low
Number of Infections: 50 - 999
Number of Sites: More than 10
Geographical Distribution: Medium
Threat Containment: Easy
Removal: Moderate

Damage

Damage Level: Medium

Distribution

Distribution Level: High

Technical Details

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Internet Security Threat Report, Volume 16