Hi Weasel,

Sounds like you may be Infected. Try one or both of these.

AVG(free) might be able to fix it. Be sure to update it before you scan your computer: AVG Free Advisor: AVG Anti-Virus Free, then follow the prompts.
Once AVG has fixed the Problem you can delete it if you want to.
Hope this Helps.

This is a (Free) home use version of A Squared. See "Download Now" toward the Bottom of the Page In the Link Below.

a-squared Free (formerly a² free) Freeware! A2 is a free of charge Anti-Trojan, Anti-Worm, Anti-Dialer and Anti-Spyware Software - optimal protection

Download, Update and Scan.

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