an e-mail, purporting to have originated from someone in Microft, extract below.
You should be alert during the next few days. Do not open any message with an attachment
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entitled POSTCARD FROM HALLMARK , regardless of who sent it to you.
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It is a virus which opens A POSTCARD IMAGE, which 'burns' the whole hard disc C of your computer
[i]Remember: Hoaxes are a waste of both time and money. Do your friends and family a real favor and please don't forward them on to others. And if you are tempted to forward something 'just in case', read the article Toxic Excuses instead.[i]
^ Or others because the user panics when they receive the "alert", and then send it to everybody in their contacts list, which helps the hoaxer in fulfilling their wish, i.e annoying the day out of victims.