Dubbed "Here you have" because of its e-mail subject line, the worm struck organizations such as NASA and the Walt Disney Co. In some ways, the worm is a throwback to attacks such as the Anna Kournikova virus, which security researchers at Symantec noted actually had the same subject line when it appeared in 2001.
"This used to be a massive problem when e-mail worms were at their peak, and this re-emergence shows that you can never assume old tried and true methods won't be used again," said Bradley Anstis, vice president of technology strategy at M86 Security.
The body of the e-mail sometimes contained the message "This is The Document I told you about, you can find it Here," followed by a malicious link that appears to be a PDF document but is actually a .SCR file. The e-mail then instructs the recipient to "please check it and reply as soon as possible." Other versions of the worm have the subject "Just For you" and "This is The Free Dowload [sic] Sex Movies,you can find it Here" in the body.
According to a report by ABC News, the worm wiggled its way into a number of organizations, including the Florida Department of Transportation and Wells Fargo. Once on a PC, the malware attempts to disable security software and propagate, blasting itself out to e-mail contacts in the victim's address book. As a result, an organization's e-mail infrastructure can be overloaded, researchers at McAfee warned.
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