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  3. W32.Yaha.H@mm

W32.Yaha.H@mm

Risk Level 2: Low

Discovered:
December 16, 2002
Updated:
February 13, 2007 11:41:36 AM
Also Known As:
I-WORM.Lentin.h [KAV]
Type:
Worm
Systems Affected:
Windows


W32.Yaha.H@mm is a variant of W32.Yaha@mm. It sends itself to all email addresses that exist in the Microsoft Windows Address Book, the MSN Messenger List, the Yahoo Pager list, and to specific email addresses that are contained in the worm. The worm randomly chooses the subject and body of the email message.

This variant is slightly different from other variants. It does not use the iframe exploit, and it does not have the screensaver function.

Antivirus Protection Dates

  • Initial Rapid Release version December 16, 2002
  • Latest Rapid Release version December 16, 2002
  • Initial Daily Certified version December 16, 2002
  • Latest Daily Certified version December 16, 2002
  • Initial Weekly Certified release date December 18, 2002
Click here for a more detailed description of Rapid Release and Daily Certified virus definitions.
Writeup By: Kaoru Hayashi

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