Kiinopoisk.com is a browser hijacker that will attempt to commandeer your browser search and homepage. It will trick you into subscribing to its push notification so it can send unwanted popup ads. Once you click “Allow”, these ads will then direct you to malicious websites to get money from you or infect your computer further. It may also prevent you from changing your settings back.
Kiinopoisk.com is usually installed through bundled software without you knowing. Remove it immediately.