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What is scan engine? Why do I have to update signature file as well as the scan engine of my antivirus software?

April 26, 2017antivirus engine file scan signature Software

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What is scan engine? Why do I have to update signature file as well as the scan engine of my antivirus software?

1 Answer

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10 Posted

A virus scanning engine is the program that does the actual work of scanning and detecting viruses while signature files are the ‘ fingerprints ‘ used by the scanning engines to identify viruses. New scan engine versions are released for a number of reasons. About 6 to 8 new viruses are found everyday around the world. New types of viruses may not be detected by the old engine. New versions of scanning engine usually also enhance scanning performance and detection rates. Some vendors provide updates for both the scanning engine and signature file in a single file while others will provide them in separate files .