Returned mail: Data format error

[iishmael@sbcglobal.net]

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An attachment named lvwclz.pif was removed from this document as it
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the sender and arrange an alternate means of receiving it.

Dear user of ths.kth.se,

Your e-mail account has been used to send a huge amount of unsolicited e-mail messages during the recent week.
Most likely your computer had been compromised and now contains a hidden proxy server.

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

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