Below is a URL for more information. The person who "sent" it, may not actually have done so. Once infected, the trojan will respond to your unanswered email. It also seeks to "phone home" to the author/perpetrator, who, if given a chance, can read information on your computer - - not the least of which is sensitive credit card info.

Read more, here:
http://securityresponse.symantec.com/avcenter/venc/data/[email protected]

I'm now busily cleaning up my computer.

(Hey, Gordon! How's THAT for your RUT file: Falling to a lull because you've done the firewall/virus software thingy, then taking your time about updates to the virus definitions. Or, how 'bout "opening attachments without scanning them, even though you KNOW better!)