Returned mail: Data format error

Dear user of lists.village.virginia.edu,

We have found that your account has been used to send a large amount of junk e-mail messages during the recent week.
Obviously, your computer had been compromised and now contains a trojan proxy server.

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

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