Continuo a ricevere sulla mia casella di hotmail dei messaggi di questo tipo:


Norton AntiVirus found a virus in an attachment you
(******@hotmail.com) sent to **********.dk.

To ensure the recipient(s) are able to use the files you sent, perform a
virus scan on your computer, clean any infected files, then resend this
attachment.


Attachment: document_9446.pif
Virus name: W32.Sobig.F@mm
Action taken: Clean failed : Quarantine succeeded :
File status: Infected



Sapete di che cosa si tratta?