: A custom-built tool, sometimes named Win+Y.exe , can be used to simulate the Win+Y keyboard shortcut. This allows users to switch input between a desktop and a Windows Mixed Reality (WMR) headset without needing to access a physical keyboard.
Distinguishing a malicious y.exe from a rare legitimate file requires forensic tools and careful observation. Process Explorer - Sysinternals - Microsoft Learn : A custom-built tool, sometimes named Win+Y