EFRService.exe is a malignant Trojan horse that stealthily installing into computer and changing system settings to make it automatically load up every time when the Windows is open. Your computer may have been protected by antivirus program. However, it is not surprising for the computer getting infected by EFRService.exe virus which is completely out of the expectation.
For most of the cases, EFRService.exe is packed together with free programs and many other third party servers by its authors to get it downloaded into computer unconsciously. Though the payload that have been researched are different according to the computers EFRService.exe targets, they are quite familiar. Basically, lots of Temp files that disguised with tricky tactics will be injected into the essential part of system to affect the format of .dll, .dat, .exe files and driver files to seriously retard the response of programs, thus to make computer poorly and abnormally perform. Moreover, many other dangerous infections such as browser hijacker, fake antivirus program as well as the evil ransomware can be very probably introduced by EFRService.exe to make the situation complicated or even push computer invalid to work.
Users who get disturbed by EFRService.exe must pay close attention to your PC. Never leave any possible chance that can be threatened to your private rights. For the sake of computer’s security, it is important and necessary to get rid of EFRService.exe virus as quickly as possible.


Manually Remove EFRService.exe from Windows OS

If you have computer security problems on Mac OS, please read this Mac Guide – How to Clean and Protect Your Mac?

(NOTE: Bookmark this page first because some steps may close your web browser or restart computer)

Please Take A Moment To Read This

If you believe that your computer has been infected with malware, you should consider using Wipersoft Anti-malware to search for EFRService.exe and other infections. Wipersoft is a professional Anti-malware Tool designed to identity, block and remove malware for PC.

Download WiperSoft Anti-malware

Quick Menu

Step 1. Remove EFRService.exe related plug-in, toolbar, add-on, extension from Chrome/Firefox/IE/Edge

Step 2. Uninstall EFRService.exe related programs from your computer;

Step 3. Change system folder settings to show all hidden files;

Step 4. Find and delete EFRService.exe related files in hidden folders;

Step 5. Find and remove EFRService.exe related registry files ;

Step 6. Reset Microsoft Edge, Chrome, Firefox and IE to remove EFRService.exe related hijacker;

Step 1.Remove EFRService.exe related extension from Microsoft Edge/ Chrome/Firefox/IE

Note – If you cannot find or remove a malicious extension, please read next step.



On Chrome

  • Click the Chrome menu on the browser toolbar.
  • Click Tools.
  • Select Extensions.
  • Click the trash can icon to delete extensions that may be related with EFRService.exe.
  • A confirmation dialog appears, click Remove.

  • Click the menu button and choose Add-ons.
  • In the Add-ons Manager tab, select the Extensions panel.
  • Select add-ons that may be related with EFRService.exe and click Remove button
  • Click Restart now if it pops up.

  • Open the IE, click the Tools button , and click Manage add-ons.
  • Click Toolbars and Extensions on left side of the window., and then select extensions that may be related with EFRService.exe;
  • If the add-on can be deleted, you’ll see the Remove option. Click Remove and then click Close. Otherwise click Disable button.


  • Click More (…) on the address bar and select Extensions


  • Select extensions that may be related with EFRService.exe and click Uninstall button









Step 2.Uninstall EFRService.exe related programs from your computer

1. Press Win + R keys at the same time to launch Run box >> Then input: “Control Panel” and click OK

uninstall EFRService.exe

EFRService.exe uninstall

2. In Control Panel, click on Uninstall a program

EFRService.exe uninstalling

3. In the Programs and Features window, right click on apps that may be related with EFRService.exe, then click Uninstall/Change. Then select Uninstall option.

Note – If you cannot find or remove malicious program, please continue the below steps.

Step 3.Change system folder settings to show all hidden files

Win 7 / Vista User

EFRService.exe removal for win 7

  • Right-click the Windows Logo button and choose Open Windows Explorer.
  • Click Organize and choose Folder and Search Options.
  • Click the View tab, select Show hidden files and folders and then clear the checkbox for Hide protected system operating files.
  • Click Yes on the warning and then click OK.
Win 8 UserEFRService.exe removal for win 8

  • On your keyboard press the Windows + E keys.
  • Click the View tab.
  • Check File name extensions and Hidden items

Win 10 User

EFRService.exe removal for win 10

  • Open This PC, click View and select Options.
  • In the Folder Options window, choose View, select Show hidden files, folders, and drives, and then click OK.

Step 4.Find and delete suspicious files in the locations listed below:

%Temp%\[malware name]

%AppData%\[malware name]

%LocalAppData%\[malware name]

%LocalAppData%\[malware name].exe

%CommonAppData%\[malware name]



Virus and malware may hide its files in different locations of PC. If you are not able to locate files of EFRService.exe, you can try Wipersoft’s Malware Detection Tool to see if it will detect the unsafe files for you:

Download WiperSoft Anti-malware

Step 5. Find and remove nasty registry files related with EFRService.exe:

1. Open Registry Editor first:

  • Press Win [Windows key] + R on your keyboard.

uninstall EFRService.exe

  • Type regedit in the Run box and hit OK

eliminate EFRService.exe

2. Find out and remove all harmful registry files that may be related with EFRService.exe:

(Do Not Delete Any Registry File If You’re Not Familiar with It)

get rid of EFRService.exe


Wrong operation in Registry Editor might harm your computer.If you are not able to locate and identify the nasty registry files, we recommend using Wipersoft Anti-malware and see if it will find out unsafe registry files of infection for you. This may save you hours and avoid risks.

Download WiperSoft Anti-malware


Step 6. Reset Microsoft Edge, Chrome, Firefox and IE to remove EFRService.exe

Reset Microsoft Edge

remove EFRService.exe from edge


1. Select More (…) on the address bar, then click Settings

2. click “Choose what to clear”

3. Select all the options and then click Clear button




Reset Chrome

remove EFRService.exe from chrome

1. Open Chrome, then click “Customize and control Google Chrome” button >> click Settings

2. Scroll down to the bottom, then click on Show advanced settings button

3. After clicking on Show advanced settings button, scroll down to the bottom and click on Reset browser settings button

. A message box will pop up to inform that your browser settings will be restored to their original defaults, click Reset button when it appears:

Reset Firefox

remove EFRService.exe from FIREFOX

1. Open Firefox, then click on Firefox button, then Click on Help button, then Click on Troubleshooting Information

2. At the Troubleshooting Information page, click on Reset Firefox

3. A message box will pop up to let you confirm that you want to reset Firefox to its initial state, click Reset Firefox button when it appears:

Reset Internet Explorer

remove EFRService.exe from ie

1. Open Internet Explorer, then click on Tools, then click on Internet Options

2. On the Internet Options window: click on Advanced tab, then click Reset button

3. A message box will pop up to let you confirm that you want to reset all Internet Explorer Settings, click Reset button when it appears:

4. When the resetting process is done, you’ll see this message box, click Close

5. You’ll need to restart your Internet Explorer to complete the resetting process.

Tips for Threat Prevention

– Always running professional Antivirus or Antimalware and keep Firewall ON;

– Create System Restore Point regularly and back up important personal files;

– Avoid downloading free programs from unknown third party shared sites;

– Regularly update system via automatic system update;

– Don’t access porn sites or similar sites which are potentially harmful;

– Avoid opening any attachments of unknown emails.