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What’s osu!.exe (osu!(lazer))? Is it safe or a virus?

Osu!.exe by ppy Pty Ltd, with the app description "osu!(lazer)," is the executable file for osu!(lazer), an open-source rhythm game and the evolving version of the popular free-to-play game osu!. It allows players to test their precision and timing by interacting with beatmaps synced to music. The game includes multiple gameplay modes like standard, mania, taiko, and catch the beat, offering various challenges. Osu!(lazer) introduces enhanced features such as cross-platform support, improved visuals, modding capabilities, and multiplayer functionality. It builds upon the original osu! framework while aiming to modernize and expand its capabilities for a broader audience.

Researched by Laura @ SpyShelter Labs

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More about osu!.exe on WINDOWS

Who makes osu!.exe (osu!(lazer))?

We’ve found ppy Pty Ltd should be the publisher of osu!.exe.

How do we know? Our SpyShelter cybersecurity labs focuses on monitoring different types of Windows PC executables and their behaviors for our popular SpyShelter Antispyware software. Learn more about us, and how our cybersecurity team studies Windows PC executables/processes.

What does it mean if someone is the publisher of a PC .exe (executable or process)?

The publisher of an executable is the entity responsible for its distribution and authenticity. Most processes/executables on your PC should be signed. The signature on the executable should have been verified through a third party whose job it is to make sure the entity is who it says it is. Find an unsigned executable? You should consider scanning any completely unsigned .exe on your PC.

Last updated: March 23, 2025

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Our team at SpyShelter has been studying Windows PC executables for over 15 years, to help fight against spyware, malware, and other threats. SpyShelter has been featured in publications like The Register, PC Magazine, and many others. Now we’re working to share free, actionable, and easy to understand information about Windows executables (processes) with the world, to help as many people as possible keep their devices safe. Learn more about us on our "About SpyShelter” page.

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