Worm floats Obama's head on your desktop

The odds are pretty good that this will never happen to you, but should a floating head of U.S. President Barack Obama pop up on your desktop Monday morning, know this: You've been hit. Unlike most of today's profit-driven malware, the Obama worm doesn't steal your credit card number or turn your PC into a remote-controlled zombie system. In fact, it isn't designed to do anything besides float a small picture of Obama at the bottom right corner of your desktop all day every Monday.

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