Tgcmd is likely installed by your cable modem software.
As of June 2001, Whagent has been installed on over seven million computers. Whagent is a product of the WebHancer company used to collect information about a users while they are browsing the Internet.
LoadQM:
http://support.microsoft.com/s earch/preview.aspx?scid=kb;en-us;Q309418
Ndetect - are you running ICQ?
Ptsnoop is a simple backdoor program written in Visual Basic. Being activated it first looks for active RAS connections and exits immediately if none is found
Ocrawr32 has to do with OmniPage software
Ocraware same as above
Rnapp (or is it RNAAPP) is dial up modem software - do you have fax software??
Qttask - quicktime software
If I didn't put it in here, then I'm not sure. But it looks definitely like you have a backdoor/trojan installed with that PTSNOOP