false security alert from Microsoft

[muckshifter]

It does look plausible, the spelling and grammar are surprisingly correct, for malware authors, but, as ever, one should always be cautious concerning e-mail attachments. Even those that purport to come from Microsoft and especially those that contain executables.

http://www.sophos.com/blogs/sophoslabs/v/post/4889

http://www.pcworld.com/businesscenter/article/132736/beware_of_fake_microsoft_security_alerts.html