Hotbcexoca.today is a new malicious site. It attacks Google Chrome and other browsers. Hotbcexoca.today tries to make you click on the "Allow" button in order to make you subscribed to many annoying ads shown as web push notifications. Don't interact with such pop-ups. Remove them with Combo Cleaner Antivirus via the official page -
https://www.combocleaner.com or, optionally, follow the manual tips given in the video.