Kaspersky Security Cloud Free offers full-scale malware protection along with some suite-level features. It gets superb scores from the independent labs, and it won't cost you a penny.
Kaspersky Anti-Virus takes perfect or near-perfect scores from all the independent testing labs, and it aced our hands-on ransomware protection test. It remains an antivirus Editors' Choice.
Intego Mac Internet Security is lab-certified to protect against macOS malware, and unlike most competitors it comes with a personal firewall. It’s a good choice, but we’d like to see it add detection of malicious and fraudulent web pages.
ClamXAV wraps the venerable, open source ClamAntiVirus engine in a straightforward user interface that sticks to the basics of malware protection. While it doesn’t appear in the latest lab reports, it has earned excellent scores in the recent past.