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What’s imecfmui.exe (Microsoft IME)? Is it safe or a virus?

imecfmui.exe, part of Microsoft IME (Input Method Editor), is a legitimate system file in Microsoft Windows. It facilitates multilingual text input, primarily for East Asian languages like Chinese, Japanese, and Korean, on Windows devices. The purpose of Microsoft IME is to allow users to type characters not typically available on standard keyboards through phonetic input or complex character composition. The imecfmui.exe file specifically manages configuration and user interface elements for customizing input settings. This process is essential for users who rely on IME to input non-Latin script characters efficiently, ensuring seamless language support within the operating system.

Researched by Laura @ SpyShelter Labs

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More about imecfmui.exe on WINDOWS

Who makes imecfmui.exe (Microsoft IME)?

We’ve found Microsoft Windows should be the publisher of imecfmui.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 16, 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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