This website pretends that your computer is at high risk when it’s actually fine. Link: https://cathass.com/lands/fr/2/?key=uvxx48jchcqldojrxxga&click_id=84997f69-aa76-4c37-9bd0-b6875ff89db9&placement_id=2823642&campaign_id=675&site_id=79&creative_id=618&age=0
Also, sometimes you can be given a ‘System recommendation’, which prompts you to download a PC cleaner which I assume is fake.