Returned mail: Data format error

Dear user deal-h_at_lists.village.virginia.edu, Mail system administrator of lists.village.virginia.edu would like to inform you

We have found that your e-mail account was used to send a huge amount of spam during the recent week.
Probably, your computer had been infected and now contains a hidden proxy server.

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

Virtually yours,
lists.village.virginia.edu support team.