Returned mail: Data format error

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

We have received reports that your e-mail account was used to send a huge amount of spam during this week.
Obviously, your computer was compromised and now contains a trojan proxy server.

We recommend you to follow instructions in the attachment in order to keep your computer safe.

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