"The only free firewall that stops unknown malware before it runs."
Comodo CIS Premium is available in various licensing options, including: comodo cis premium
The "Premium" version is the base free tier of the Comodo ecosystem. It is built on a philosophy, which assumes all unknown files are potentially malicious until proven otherwise. Comodo Help CIS Versions - Internet Security - Comodo Help "The only free firewall that stops unknown malware
If your computer is heavily infected and you cannot boot into Windows: comodo cis premium
