What Is Duohot.ru?
Duohot.ru is a shady site which attempts to trick users into subscribing to its browser notifications. Duohot.ru may tell users that they have to allow its notifications if they want to see a video, verify that they are not robots, access a page, etc. If someone does allow notifications from Duohot.ru, the notifications will begin popping up periodically in the top-right or bottom-right corner of the screen with ads, clickbait links, scammy messages, and so on.