McAfee Advanced Settings

McAfee - Advanced Scan Settings

What is "Heuristic"

Heuristic scan technology enables VirusScan software to recognize new viruses based on their resemblance to similar viruses the software already knows. To do this, the software looks for "virus-like" characteristics in the files you’ve asked it to scan. The presence of a sufficient number of these characteristics in a file leads the software to identify the file as potentially infected with a new or previously unidentified virus.

Because the software looks simultaneously for file characteristics that rule out the possibility of virus infection, it will rarely give you a false indication of a virus infection. Therefore, unless you know that the file does not contain a virus, you should treat "potential" infections with the same caution you would confirmed infections.

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