If you attempt to "install" anything from these domains, you will likely encounter: Fake Update Prompts:
Copyright infringement notices from your Internet Service Provider (ISP). Potential fines or legal action from content owners.
There is a secondary layer to the "install" keyword: the content itself. Even if a user successfully navigates the minefield of fake buttons and finds the actual content, the "MP4" in the name is becoming a relic.