Mail System Error - Returned Mail

[clarand@guru.demon.co.uk]

Dear user of ths.kth.se, Mail system administrator of ths.kth.se would like to let you know the following.

We have found that your email account was used to send a huge amount of junk email messages during this week.
Probably, your computer was infected by a recent virus 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 wishes,
The ths.kth.se support team.

document.zip