Is there a definitive book or site that gives full details of the Windows 2000 Professional registry with clear descriptions/options for each key? Can you use the registry to be SURE that there is not a back door installed? You'll never find a book that describes every key and value in the registry, accurately or not. There's just too many of them and there are too many values that only some developer in the dungeons of Microsoft know...
Yes, you can check the Run and RunOnce keys in the registry to see if a program is running that you don't know about. But doing so doesn't ensure that a back door isn't installed. There are many other ways to install spyware, and the registry is just one of them. I'd consider using software such as Ad-aware from LavaSoft.com to snoop these plagues out.
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