Premiumbros.com is an unwanted website. The Premiumbros.com URL is used to trick computer and phone users; through the Premiumbros.com site, push notifications are sent. It is these push notifications that display unknown ads on a Windows, macOS, or Android device.
Videochanelaccess.ru is a scam domain set up by spammers. The Videochanelaccess.ru website has only one purpose: to send advertisements through the notification functionality of the browser. Unfortunately, the Videochanelaccess.ru website abuses the notification functionality by exploiting users who are not careful.