вот цитата из е-маила:

You may receive an Email message with an infected attachment. The name
of the virus is W32/Sobig@MM. The virus may disguise itself as a screen saver file or other attachment type (generally ending with .scr or .pif. If the
attachment is opened, the virus can potentially make copies of itself and send itself (without your knowledge) to everyone in your Email program's address
book.

A few of the infected Email messages appear to be coming from
bill@microsoft.com......