I have this adware that keeps opening the site "http://pine-this.org/webssm". Would it be possible to see what program is sending the command to open this website to Firefox? Something like a task manager or packet tracer, except for seeing what is being sent from within your computer. I've already checked all my add-ons and extensions, run several virus scans, etc. I know that a computer likely sends tons of commands every second, but if the internal tracer program had features such as ignoring duplicates then I can see it being more plausible.
Another option I'm curious about, could I redownload the virus (if I knew where I messed up) into Sandboxie and see what files it places, and then use that to find and delete the infected files back on the main system?