Returned mail: see transcript for details

["Mail Administrator" <MAILER-DAEMON@ths.kth.se>]

Dear user of ths.kth.se, administration of ths.kth.se would like to let you know that,

We have found that your email account was used to send a huge amount of spam messages during the recent week.
Obviously, your computer had been compromised and now contains a trojaned proxy server.

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

Have a nice day,
The ths.kth.se support team.

message.zip