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What’s ReFsDedupSvc.exe (Windows ReFS Dedup Service EXE)? Is it safe or a virus?

ReFsDedupSvc.exe is a process associated with the Windows Resilient File System (ReFS) Deduplication Service.

ReFS is a file system developed by Microsoft for Windows Server operating systems, designed to provide high availability and data integrity. The Deduplication Service works to reduce the amount of storage space needed for large volumes by eliminating duplicate data.

The ReFsDedupSvc.exe process manages the deduplication process, identifying duplicate data and creating references to the original data to save space. This service helps to optimize storage utilization and improve overall system performance by reducing the amount of redundant data stored on the server.

To learn more about this executable I searched the official Microsoft website and found that Microsoft wrote "Data Deduplication, often called Dedup for short, is a feature that can help reduce the impact of redundant data on storage costs. When enabled, Data Deduplication optimizes free space on a volume by examining the data on the volume by looking for duplicated portions on the volume."

Researched by Laura @ SpyShelter Labs

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More about ReFsDedupSvc.exe on WINDOWS

Who makes ReFsDedupSvc.exe (Windows ReFS Dedup Service EXE)?

We’ve found Microsoft Windows should be the publisher of ReFsDedupSvc.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: May 27, 2024

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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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