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.
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