Nope.

Note that Firefox comes with a lot of components to protect you. There is built-in malware protection. *https://support.mozilla.org/en-US/kb/troubleshoot-firefox-issues-caused-malware See also: *https://support.mozilla.org/en-US/kb/enhanced-tracking-protection-firefox-desktop *https://support.mozilla.org/en-US/kb/smartblock-enhanced-tracking-protection *https://support.mozilla.org/en-US/kb/trackers-and-scripts-firefox-blocks-enhanced-track