check you processes for any suspicious processes. Doing a system restore should also rid you of the logger.
I believe you should be banned off this site for interests in DDoSing, but anyways... You can always reformat your computer and it'll be fine.
Sure a money maker, but illegal(irl)
rofl.
I'm sorry but "I'm worried about my runescape pixels".
I think fricken runescape is the least of your worries.
Think about any credit card information, email information.. paypal.. ect. ect.
I think runescape would be towards the bottom of my list of concerns.
But I agree with the guy above that said run your computer in safe mode then take care of it. (incredibly easy, if you can't get it just ask google for help)

