The symptoms of this virus are:
A mass mailer Virus using the victim's address book to propagate itself, sending large print jobs to all network printers, corrupting system files, recording keystrokes for subsequent remote download and also propagates itself via network shares.
In order to entice users to open the infected e-mail, it appears to generate random subject titles for the e-mail.
If you receive a suspicious e-mail in your mailbox please DO NOT OPEN IT or PREVIEW IT - DELETE IT IMMEDIATELY.
Further information on this virus can be found at http://vil.nai.com/vil/content/v_99728.htm (amongst other places)