W32.HLLW.Morb@mm is a MAPI worm that replies to all the messages in your Email Inbox folder and drops the Backdoor.Sdbot Trojan into the infected system. This worm also attempts to spread itself through the KaZaA file-sharing network.
The email has the following characteristics:
The subject line and message body are randomly chosen from a list that the worm carries.
Attachment is one of the following:
This threat is written in the Bollard Delphi programming language.
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