I have a question for you... are you running all those anti-virus and spyware apps all at once on the same machine?
Secondly... you could honestly remove a crap load of them as many are doing the exact same thing. I believe I've been on the path you are on with a couple of pc's I've repaired in the past. I'm not here to sell anyone on a particular antivirus program, but I was able to successfully remove it with AVIRA free antivirus (you can search for it on download.com) (I also run Avast with the Avira simultaneously) and was able to eliminate the infection. Once completed you can use CCleaner to clean up your registry. Under the tools options it has a good registry cleaner that allows you to back up any changes in case you erase a link that should exist, etc.
Let me know if this helps you out any. Also, if you could include the statistics of the services running (how much memory and CPU each one takes) to see how all those programs run together it would be nice.
Thanks.