Mine came through on a Adobe exploit, alot of rouge programs being designed exploiting Java as well. Gird your self. This RP'* are not virus'*. New age trojans aren't intending to kill your your computer. Most are being designed to extract money out of you for antiviral software that merely turns the program off, some hijack your browser proxy and search settings. They are not virus'* and most Malware detectors don't cut it.
Try this combo Jon. First "Hijack This" http://download.cnet.com/Trend-Micro...-10227353.html
The program examines vulnerable or suspect parts of your system, such as browser helper objects and certain types of Registry keys. If will give you a list of processes, .dlls'* running. Some you will recognize as normal-needed. The ones that aren't do google search'* on their name. It'* a little tedious but you will find the bad ones. It does a great job of forced kill. After you have gone through the list, use this http://www.emsisoft.com/en/
It is winning awards all over the place as the new "Premier" anitvirus/malware program. It comes on a full featured 30 free trail. The 1-2 punch of them got me clean and back on the road again.