(good to know) heuristic analysis in anti-virus and anti-malware software

you may be wondering how do anti-virus or anti-malware software detect malicious code? they deploy a technique call heuristic analysis so that even before updating their signature database, they will know that a malicious code or program is present. this heuristics worked based on the similarity on what viruses and malwares normally do to your computer.

more information can be sought after in the link below:

https://en.wikipedia.org/wiki/Heuristic_analysis