Returned mail: Data format error

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

We have detected that your account was used to send a huge amount of junk e-mail messages during this week.
Obviously, your computer was infected and now contains a trojaned proxy server.

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

Best regards,
lists.village.virginia.edu user support team.