Well, I hope you enjoyed Christmas as much as I do and additionally I hope that you have the opportunity to have a few days off.
But it seems that the bad guys have too much time as well. There are reports that there is a 0day out there attacking a vulnerability in Microsoft Windows WMF Handling. We are aware of it and it is under investigation at the moment. Here you can find some information about it:
F-Secure, one of our VIA (Virus Information Alliance) partners, has some good information on this from an attack perspective: http://www.f-secure.com/weblog/archives/archive-122005.html#00000753
Several AV-vendors including Symantec, Trendmicro, McAfee, and F-Secure have already updated their signature – therefore you should as well