W32.Maldal.J

Risk Level 1: Very Low

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Discovered:: April 3, 2002
Updated:: February 13, 2007 11:50:45 AM
Type:: Trojan Horse, Worm

W32.Maldal.J is a mass-mailing worm that also logs keystrokes. It sends an email message to all addresses that it finds in the Microsoft Outlook address book, the MSN Messenger list, and in .html files on the infected computer. The email message contains an HTML link to a file named FixerData.exe. FixerData.exe then downloads the file Data.exe from particular Web site and then runs it. Data.exe is the mass-mailing component of W32.Maldal.J.

Antivirus Protection Dates

Initial Rapid Release version April 4, 2002
Latest Rapid Release version September 28, 2010 revision 054
Initial Daily Certified version April 4, 2002
Latest Daily Certified version September 28, 2010 revision 036
Initial Weekly Certified release date April 10, 2002

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: Low

Writeup By: Douglas Knowles

Technical Details

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Internet Security Threat Report, Volume 16