AVG AntiVirus Free Protect your computer from viruses and malicious programs.
AVG Internet Security A full suite of antivirus software including a firewall, web and email security and protection against other types of malware, phishing and ransomware.
Malwarebytes Powerful antivirus software that scans, located, quarantines and deletes a very large list of various malware including worms, bitcoin minters, viruses and adware.