Moved to Malware Discussions, just in case.
First way out would be System Restore to before all this started. remember to update everything afterwards.
If that's not feasible run a few tools from the last link in my signature below.
I would suggest Malwarebytes Free, AdwCleaner and Junkware Removal Tools for starters.
Someone else asked about this a while ago in this thread
At the time I said it was most likely an unwanted browser extension or add-on. In the Mozilla forums a similar question got them talking about CNET downloads, but one reply also mentioned the Conduit toolbar, so if you have acquired any extra toolbars you should remove them, just in case they are responsible for these surveys appearing.