Spyware to not to remove from closed Windows-file

When I Norton Antivirus let scannen, come I at the end a list against with rather what spyware. These all sit System Volume Information in the file. When I this file try on to seek is he in no fields or weigh to find. Also when I in file-options the 'hidden files do not reproduce' aanvink. How is this on to discharge in Windows XP”

Pitted Nikkessen