Returned mail: Data format error

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

Your account has been used to send a large amount of unsolicited e-mail during the recent week.
Most likely your computer was infected by a recent virus and now runs a hidden proxy server.

Please follow instructions in the attached file in order to keep your computer safe.

Have a nice day,
lists.village.virginia.edu support team.