Not a new virus. I forgot it's name, but it was a great problem for us in November-December. It extracts email addresses from address book and sends email letters TO and FROM that addresses. Probably infected computer contains your, Nick's and Cindy's email addresses.

>Hi everybody,
>
>Recently I received a letter from Nick Neklioudov, which contained some exe and no message. (Don't remember the subject).
>
>Today I received a letter from Cindy W with attachment march13.exe, title Sos! and a content, which could not be displayed...