There is a bad worm going around right now. Once you are infected with it, it will grab all of your contacts and send them an email with a link inside to an infected web server with a php exploit. This link, from what I have seen, has always been to a page called "to.php" on a random web server.
Example Email:
http://ta******.com/to.php
Best regards, ali*********@live.com
Remember, never click on random websites whether you know who it is from or not. If you do not know the address, do not go to it. Best advise I can give.
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