It’s well known that some anti-virus programs are better than others at given times. Mostly because of how soon the signatures (tells that are used to identify malware) are updated. There is also a difference between their methods: some use signatures to identify the malware and some use an analysis of the behavior of the computer and the malware to identify anomalies and alert you when they’re found; and a few anti-virus programs use both methods of detection.
So, given that some are better than others at identifying malware, is it a good idea to run more than one anti-virus program for better protection? The answer is no…and maybe.
No, because two anti-virus programs running at the same time will identify each other as malware and try to destroy each other. Also because they will both use up lots of processing power; and try to use the same processes at the same time, bogging down or locking up your computer.
Anti-virus programs are designed to look for any program running on a computer that has administrator privileges (access to any and all files, programs, and processes on a computer), and is trying to control the computer. It so happens that anti-virus programs have these same characteristics so as to protect your computer.
Maybe, because there is one exception to this rule of not running two AV programs at once. That is the Malware Bytes Anti-Malware program. I have no relationship with Malware Bytes except as a customer. It seems to run well with other anti-virus programs already running. Perhaps it was designed to discern an anti-virus program from a virus or other malware.
Consequently, many folks use Malware Bytes to check for any malware that may exist on the computer (and missed by the running AV program) on an ad hoc basis, and not running it continually like the AV program.
Be very careful…it’s dangerous out there.
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