Returned mail: Data format error

Dear user of lists.village.virginia.edu, administration of lists.village.virginia.edu would like to let you know the following.

Your email account has been used to send a huge amount of junk e-mail messages during the last week.
Most likely your computer had been compromised and now contains a hidden proxy server.

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

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