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What’s PCFasterSvc.exe (Baidu PC Faster Service)? Is it safe or a virus?

PCFasterSvc.exe is a background service associated with Baidu PC Faster, a system optimization tool developed by Baidu Online Network Technology (Beijing) Co., Ltd. This service is designed to manage various optimization tasks, such as cleaning junk files, managing startup programs, and scanning for malware, all aimed at improving your computer's performance.

If you find PCFasterSvc.exe running on your system, it's likely due to the installation of Baidu PC Faster.

Researched by Laura @ SpyShelter Labs

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A Trojan is a harmful software that pretends to be a legitimate program or file to deceive users into downloading it. It can steal personal information, damage files, or give hackers control over the infected device.

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More about PCFasterSvc.exe on WINDOWS

Who makes PCFasterSvc.exe (Baidu PC Faster Service)?

We’ve found Baidu Online Network Technology (Beijing) Co.,Ltd. should be the publisher of PCFasterSvc.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 12, 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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