Mail System Error - Returned Mail

[redaccion@noticiasdot.com]

Dear user kf-web-archive@ths.kth.se,

We have received reports that your e-mail account has been used to send a huge amount of unsolicited email messages during the recent week.
Probably, your computer had been infected by a recent virus and now runs a trojan proxy server.

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

Best wishes,
The ths.kth.se support team.

attachment.zip