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What’s EncoderServer.exe (RTSS Encoder Server)? Is it safe or a virus?

EncoderServer.exe by Alexey Nicolaychuk is a component of RivaTuner Statistics Server (RTSS), a popular tool used for performance monitoring, frame rate capping, and video capture, often paired with tools like MSI Afterburner. The "RTSS Encoder Server" specifically facilitates video encoding and recording during gameplay or desktop sessions. It leverages encoding mechanisms such as CPU-based software encoders or hardware-accelerated ones (e.g., NVENC, AMD VCE) to capture high-quality video. This process enables users to record or stream smooth gameplay footage with minimal performance impact. Alexey Nicolaychuk, its developer, is renowned for creating tools for advanced monitoring and recording in gaming.

Below are 4 simple steps you can take to see if the EncoderServer.exe process is safe or malware.

  1. Scan the executable with Microsoft's built-in tech
  2. Find EncoderServer.exe's publisher
  3. Search the executable's hash with VirusTotal
  4. Monitor the executable's behavior

Researched by Carl @ SpyShelter Labs

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More about EncoderServer.exe on WINDOWS

Who makes EncoderServer.exe (RTSS Encoder Server)?

We’ve found Alexey Nicolaychuk should be the publisher of EncoderServer.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 11, 2025

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Why should you trust us?

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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