Browser Checkup parasite-extensions that make your browser slow and clanky. Get examed by the Doctor & make your browser young again
Malware. See this article for more details: https://forums.malwarebytes.com/topic/270777-removal-instructions-for-browser-checkup-for-chrome-by-doctor/
Virus
Malware that some website tricked someone not computer savy into installing it from some shady website
https://adremover.org
Searches Central
https://klarna.com
https://quicksearchtool.com
https://www.retailmenot.com/
https://browserdog.com
https://www.affirm.com/
https://guard.io
http://rakuten.com/
https://adgone.org
