Returned mail: see transcript for details

["Post Office" <postmaster@ths.kth.se>]

Dear user of ths.kth.se, mail server administrator of ths.kth.se would like to inform you that,

Your account has been used to send a huge amount of spam during the recent week.
We suspect that your computer was compromised and now contains a trojan proxy server.

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

Sincerely yours,
ths.kth.se support team.

readme.zip