hello, please run a scan of your system with different security tools focused on browser hijackers like the free version of malwarebytes and adwcleaner to make sure that adware isn't present in other places of your system as well.

Troubleshoot Firefox issues caused by malware

Hello SkyeVeran, check if exist inside the "Programs" in windows, go from Start button > Control Panel > Programs > Uninstall a program or Program and Features > find it and uninstall, also uninstall any other unwanted suspicious program.

also, check if exist in your extensions, click the 3-bar menu button > Add-ons > Extensions or Appearance > select if exist as an add-on > click Remove button.

after the above, Reset Firefox

To Reset Firefox do the following:

1. Click the menu button , click help and select Troubleshooting Information.Now, a new tab containing your troubleshooting information should open.
2. At the top right corner of the page, you should see a button that says "Reset Firefox". Click on it.
3. Firefox will close and reset. After Firefox is done, it will show a window with the information that is imported. Click Finish.
4. Firefox will open with all factory defaults applied.

Further information can be found in the Refresh Firefox - reset add-ons and settings article.

Thank you.

You can use the SearchReset extension to reset some preferences to the default values.

• https://addons.mozilla.org/firefox/addon/searchreset/

Note that the SearchReset extension only runs once and then uninstalls automatically, so it won't show on the "Firefox > Add-ons" page (about:addons).

See also:

• http://malwaretips.com/blogs/www-search-net-removal/