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What’s reg1.exe (Registry Console Tool)? Is it safe or a virus?

Reg1.exe is a console tool developed by Microsoft Windows that is used for managing the Windows registry. The Windows registry is a hierarchical database that stores configuration settings and options for the operating system and installed applications. With reg1.exe, users can perform various tasks related to the registry, such as querying, modifying, and deleting registry keys and values. It also allows users to export and import registry data, as well as perform other administrative tasks. This tool is primarily used by advanced users and IT professionals for troubleshooting and configuring the Windows operating system.

The most common name for this .exe is Reg.exe, not reg1.exe. Perhaps the name was changed by the user of this executable for some reason. Since the app description is "Registry Console Tool" and since it really is signed by Microsoft, then it should be a real software from Microsoft itself, even though someone might have changed the .exe's name by adding a 1 to the end.

Researched by Laura @ SpyShelter Labs

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More about reg1.exe on WINDOWS

Who makes reg1.exe (Registry Console Tool)?

We’ve found Microsoft Windows should be the publisher of reg1.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: January 26, 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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