Antivirus programs have many ways to identify malicious programs, from simple signature-based detection of known threats to intricate behavior-based detection systems. Webroot Essentials takes ...
If you do have a reason to stick with an ancient macOS version (old hardware, perhaps), ProtectWorks AntiVirus supports versions back to Snow Leopard (10.6), and Intego runs on Mavericks (10.9) or ...