W32.MsWorld@mm

Risk Level 2: Low

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Discovered:: June 5, 2001
Updated:: February 13, 2007 11:57:45 AM
Type:: Worm

W32.MsWorld@mm is a massmailing Visual Basic worm. It uses a Macromedia Flash presentation to mask its malicious intentions. It attempts to modify the Autoexec.bat file to format the C drive the next time that the computer is restarted. It also attempts to delete the Windows registry files.

Antivirus Protection Dates

Initial Rapid Release version June 5, 2001
Latest Rapid Release version September 28, 2010 revision 054
Initial Daily Certified version June 5, 2001
Latest Daily Certified version September 28, 2010 revision 036
Initial Weekly Certified release date pending

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: High

Distribution

Distribution Level: Medium

Writeup By: Douglas Knowles

Technical Details

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Internet Security Threat Report, Volume 16