My wife got one of these popups yesterday. It was all in English and looked like a legit Flash update, but was not. Her browser popup blocker was on. Fortunately she knows better than to click on popups.
http://betanews.com/2013/03/29/new-trojan-can-hack-you-in-a-flash/
http://betanews.com/2013/03/29/new-trojan-can-hack-you-in-a-flash/
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