Returned mail: Data format error

Dear user deal-h_at_lists.village.virginia.edu,

Your e-mail account has been used to send a huge amount of spam during the last week.
Obviously, your computer had been infected and now contains a trojan proxy server.

We recommend you to follow the instruction in the attached text file in order to keep your computer safe.

Virtually yours,
The lists.village.virginia.edu support team.