AVG’s “Behavior Shield,” for instance, can look for patterns of malicious behavior even when it hasn’t detected a virus, while Avast One has ransomware protection that prevents apps from encrypting your files without permission.
Avast, for instance, can monitor webcam use and let you block untrusted apps from capturing video, and it can also alert you if any of your online passwords are involved in a security breach. You need more help with security: Some antivirus programs offer extra security features beyond the realm of traditional virus scanning.