What Is Greentopperer.online?
Greentopperer.online is a questionable website which attempts to trick users into subscribing to its browser notifications. Greentopperer.online may tell users that they need to click or tap Allow on its “Show notifications” pop-up if they want to see a video, open a page, download a file, prove that they are not robots, etc. If a user clicks Allow, Greentopperer.online notifications will begin spamming him or her with ads, links to shady sites, fake messages, and so on. The notifications will appear in the lower-right corner of the screen on Windows or in the top-right corner on macOS.