Below is the list of extension names. I’ll have to add the URL’s later. In the meantime I’ll try scanning with Malwarebytes’ AdwCleaner. I also temporarily changed the default browser to be certain that FF is the source.
1-Click YouTube Video Downloader
Archive URL
AutoFill Forms
Avast Online Security
Best Proxy Switcher
Bitly
Cisco Webex Extension
Cookie AutoDelete
Copy All Tab Urls WE
Decentraleyes
Docs Online Viewer
Easy YouTube mp3
Firefox Multi-Account Containters
FoxClocks
Google search link fix
HTTPS Everywhere
Hunter
OneNote Web Clipper
Open Tabs Next to Current
Print Edit WE
Privacy Badger
Redirector
S3.Translator
Save Page WE
Screengrab!
Shorten me - URL Shortener
Social Fixer for Facebook
Sync Tab Groups
Tab Session Manager
Terms of Service; Didn’t Read
uBlock Origin
Video Speed Controller
Zoom Image
Zoom Page WE