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What’s SDFSSvc.exe (Spybot-S&D 2 Scanner Service)? Is it safe or a virus?

SDFSSvc.exe is a legitimate process associated with Spybot - Search & Destroy, an anti-malware program by Safer Networking Ltd.

This executable serves as the "Spybot-S&D 2 Scanner Service" responsible for scanning the system for malware, spyware, and other potentially harmful software. It operates as a background service, often requiring administrative privileges to thoroughly check files, programs, and system components for threats.

The service allows scheduled scans and real-time monitoring to ensure the system's safety. It is a crucial component of Spybot's functionality, contributing to its ability to detect and remove malicious software effectively.

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 SDFSSvc.exe on WINDOWS

Who makes SDFSSvc.exe (Spybot-S&D 2 Scanner Service)?

We’ve found Safer Networking Ltd. should be the publisher of SDFSSvc.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 26, 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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