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What’s pipelist64.exe (Lists open named pipes)? Is it safe or a virus?

The `pipelist64.exe` tool, developed by Microsoft Corporation, is a utility designed to enumerate and display open named pipes on a Windows system.

Named pipes are a method of interprocess communication (IPC) that allows data transfer between processes, potentially across a network. This tool helps identify active named pipes, their associated processes, and their current status, providing insight into how processes communicate or exchange data.

It is particularly useful for debugging, monitoring IPC-related behavior, and understanding system activity. Being a lightweight command-line tool, it is often employed by developers, system administrators, and security professionals for system diagnostics and troubleshooting.

Researched by Carl @ SpyShelter Labs

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More about pipelist64.exe on WINDOWS

Who makes pipelist64.exe (Lists open named pipes)?

We’ve found Microsoft Corporation should be the publisher of pipelist64.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: April 16, 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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