Microsoft Security Advisory (904420)
Published or Last Updated: 1/30/2006
Microsoft wants to make customers aware of the Mywife mass mailing malware variant named Win32/Mywife.E@mm. The mass mailing malware tries to entice users through social engineering efforts into opening an attached file in an e-mail message. If the recipient opens the file, the malware sends itself to all the contacts that are contained in the system’s address book. The malware may also spread over writeable network shares on systems that have blank administrator passwords.
Please read the complete advisory at http://www.microsoft.com/technet/security/advisory/904420.mspx