Right on the tale of upgrading to Catalina — searchmarquis.com/eula.html — took control of my browser. It places itself as the primary. I can't seem to find where it is located in my system.
Can you provide a tool or method to remove this?
iPad 2, iOS 9
If you are using Safari as your browser you could try launching it in a clean state. Quit Safari then while pressing and holding the shift key launch Safari.
If that does not resolve your issue you can try using MalwareBytes.
If you are using Safari as your browser you could try launching it in a clean state. Quit Safari then while pressing and holding the shift key launch Safari.
If that does not resolve your issue you can try using MalwareBytes.
Remove malware - MacBook Pro
