If you see webplayerexe.unv running and you do not have any game open (no Steam, no Epic, no browser game), that is suspicious. Run a full scan with Windows Defender or Malwarebytes immediately.

Malware authors frequently name their malicious files after legitimate software to trick users. "Unity Web Player" is a legitimate plugin used to play 3D games in a web browser. A legitimate Unity file might be named UnityWebPlayer.exe , but it would never have a .unv extension.

before starting the installation to ensure the plugin registers correctly.

Prevention is easier than removal. Follow these best practices:

While the name mimics the legitimate "Unity Web Player" used for browser games, the extension is a major red flag. In the cybersecurity world, this file is strongly associated with Trojan downloaders and backdoors that compromise system security.