What is SDFSSvc.exe?

The .exe extension on a filename indicates an executable file. Executable files may, in some cases, harm your computer. Therefore, please read below to decide for yourself whether the SDFSSvc.exe on your computer is a Trojan that you should remove, or whether it is a file belonging to the Windows operating system or to a trusted application.

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SDFSSvc.exe file information

The process known as Spybot-S&D (version 2 Scanner Service) or Scanner Service belongs to software Spybot - Search & Destroy (version 2) by Safer-Networking (

Description: SDFSSvc.exe is not essential for Windows and will often cause problems. The file SDFSSvc.exe is located in a subfolder of "C:\Program Files". Known file sizes on Windows 8/7/XP are 3,921,880 bytes (35% of all occurrences), 1,103,392 bytes and 6 more variants. 
The program is not visible. It is digitally signed. The SDFSSvc.exe file is not a Windows core file. The file is a Verisign signed file. It can change the behavior of other programs or manipulate other programs. The application uses ports to connect to or from a LAN or the Internet. SDFSSvc.exe is able to monitor applications, manipulate other programs, connect to the Internet and record keyboard and mouse inputs. Therefore the technical security rating is 48% dangerous, however you should also read the user reviews.
The software vendor offers the option to do the following:

Recommended: Identify SDFSSvc.exe related errors

Important: Some malware camouflages itself as SDFSSvc.exe, particularly when located in the C:\Windows or C:\Windows\System32 folder. Therefore, you should check the SDFSSvc.exe process on your PC to see if it is a threat. We recommend Security Task Manager for verifying your computer's security. This was one of the Top Download Picks of The Washington Post and PC World.


User Comments

Spybot Search & Destroy service - not sure if '2' is version?
I went into the spybot folder and renamed the file "SDFSSvc.exe" to tmp and that seemed to stop it... Then I uninstalled spybot and went in physically to the folder and deleted the tmp file.... so far, so good...
Spybot Search & Destroy

Summary: Average user rating of SDFSSvc.exe: based on 4 votes with 3 user comments. One user thinks SDFSSvc.exe is essential for Windows or an installed application. One user thinks it's probably harmless. One user thinks it's neither essential nor dangerous. One user suspects danger. One user is not sure about it.

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Best practices for resolving SDFSSvc issues

A clean and tidy computer is the key requirement for avoiding problems with SDFSSvc. This means running a scan for malware, cleaning your hard drive using cleanmgr and sfc /scannow, uninstalling programs that you no longer need, checking for Autostart programs (using msconfig) and enabling Windows' Automatic Update. Always remember to perform periodic backups, or at least to set restore points.

Should you experience an actual problem, try to recall the last thing you did, or the last thing you installed before the problem appeared for the first time. Use the resmon command to identify the processes that are causing your problem. Even for serious problems, rather than reinstalling Windows, you are better off doing a repair of your installation, or in the case of Windows 8, executing the DISM.exe /Online /Cleanup-image /Restorehealth command. This allows you to repair the operating system without losing data.

To help you analyze the SDFSSvc.exe process on your computer, the following programs have proven to be helpful: Security Task Manager displays all running Windows tasks, including embedded hidden processes, such as keyboard and browser monitoring or Autostart entries. A unique security risk rating indicates the likelihood of the process being potential spyware, malware or a Trojan. Malwarebytes Anti-Malware detects and removes sleeping spyware, adware, Trojans, keyloggers, malware and trackers from your hard drive.

Other processes

SDFSSvc.exe [all]