My security centre click here received about 720 of these e-mails.
Two of which got past the security and gateway filters before they were up-to-date.
It claimed to be a patch from MS, but while installing a fake patch installs the virus and hides its actions.
Be warned that it looks very real..
Here is what I posted yesterday:
It is not a big threat, but very confusing.
I looked at the code, they have more or less taken the MS website, and put an install location differnetly.
But always delete messages from companies such as MS that have attatchments.