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A Dispatch

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September 02, 2010

You've got a fax ... NOT!

Malware spreaders will do anything to make their spam recipients do something unhealthy for their computers, privacy, and security. Foisting an email message claiming to come from a FAX service (efax.com, a legitimate company being abused by the bad guys) on unsuspecting victims will get plenty of them to open the attachment — which has a 37% detection rate on VirusTotal.

Here's what one of today's messages looks like:

Phony efax email message

One attachment is the image that you see in the message body. The other is a Trojan, identified by antivirus products as one of several possibilities. It doesn't really matter which specific malware type it is. Once a machine is infected with one type of malware, the PC can be repurposed for other bad things at will (and behind the scenes).

If you're a Windows user, and you open this particular attachment, you don't have a FAX, but you do have a big problem.

Posted on September 02, 2010 at 02:00 PM