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Scanning for new unknown viruses
Use this option to find the newest viruses that might not have existing “cures.”
This option uses advanced heuristic techniques that try to match files to the signatures of known viruses, while also looking for telltale signs of unidentified viruses in the files.
This scanning method also looks for file traits that can generally rule out that the file contains a virus. This minimizes the chances that VirusScan will give a false indication. Nevertheless, if a heuristic scan detects a virus, you should treat it with the same caution that you would treat a file that you know contains a virus.
This option provides the most thorough scan, but is generally slower than a normal scan.
If that is in fact the case, I find it strange that McAfee recommended using Spybot since it appears in the