Miners are often recognised as viruses. Don't worry. Just make an exception in your AV software.
you are correct.
more than that - I'd suggest to never install any A/V shit on your computer. If you have proper habits its really hard (and I mean REALLY hard) to get harmed by a virus/malware, however antivirus will fuck up your system (to a various degree) immediately as you install it.
EDIT: and I mean any system, not only miners