What I said before should (if it's the same virus as in the OP). A repair could fix up whatever has screwed his internet connection.
I agree it's a band-aid solution though :)
Formatting isn't that hard. That said, as long as you remember to back up all your important stuff there's no downside to it.
Also try doing a repair. Using the OS install Disc, the OS installation menu should have an option.
I had this the other week. I'll look for how I got rid of it.
edit: found it pretty fast, just googled "redirect virus"
http://support.kaspersky.com/downloads/utils/tdsskiller.zip
Download that, run it, follow instructions.
And ignore all the other posts like:
When someone asks nicely...
My advice is to learn as much from this experience as you can.
Never get in the friend zone in the first place. If you meet a girl and like her, make your intentions clear from the start. Be more impulsive and enjoy life; don't sit back.