How to turn on Base Filtering Engine

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  1. jhnjns32
    Posts : 4
    Windows 7 Home Premium 64bit
       New #1

    How to turn on Base Filtering Engine


    Hey I need to turn on the "Base Filtering Engine" on my laptop, as well as "IPsec Policy Agent" and "IKE and AuthIP IPsec Keyring Modules"

    I opened cmd and ran services.msc to turn them on but BFE is missing completely. The other 2 are both there but when I click start they give a message saying...

    Error 1075: The dependency service does not exist or has been marked for deletion.

    Any ideas on how to fix this? Thanks in advance for any replies.

    By the way I'm running Windows 7 Home Premium 64bit with MSE antivirus
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  3. Anak
    Posts : 5,605
    Originally Win 7 Hm Prem x64 Ver 6.1.7600 Build 7601-SP1 | Upgraded to Windows 10 December 14, 2019
       New #2

    Hi jhnjns32, welcome to 7F! :)

    Have you recently had any episodes with any Viruses?

    Have you looked in Services to see if Base Filtering Engine (BFE) populates the Services List?

    Use this tutorial to go to Services - Start or Disable
    You should find the Base Filtering Engine near the top of the list. follow the instructions to start the Service.

    Black Viper's advice is to have the setting at Automatic (Started) Home Premium.

    If you look under the dependencies tab for "IPsec Policy Agent" and "IKE and AuthIP IPsec Keyring Modules" you will find BFE listed as dependent, and that is why you received the error message. It is either Stopped or missing entirely.

    If BFE is not listed in Services try a Restore point, SFC /scannow, or you may need to do a Repair Install.
    If you have had a virus a restore point may not work, and your best bet would be a Clean Install Windows 7.
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  4. jhnjns32
    Posts : 4
    Windows 7 Home Premium 64bit
    Thread Starter
       New #3

    Hey Anak thanks for the reply.

    My antivirus found trojans by the name of Win64/Sirefef.E , Win64/Sirefef.K and Win64/Sirefef.D

    I've looked into services and BFE DOES NOT populate the list. I cannot find it on the services list.

    Also "IPsec Policy Agent" and "IKE and AuthIP IPsec Keyring Modules" DO NOT have BFE listed as a dependency.

    What would you recommend? Reinstall windows?

    Again, thanks in advance.
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  6. Anak
    Posts : 5,605
    Originally Win 7 Hm Prem x64 Ver 6.1.7600 Build 7601-SP1 | Upgraded to Windows 10 December 14, 2019
       New #4

    Your welcome.

    Let us not get ahead of ourselves here.

    You have found malware, but have not said if you have taken measures to eradicate them, and feel comfortable that you have a smooth running machine.

    Have you used any of the on-line scanners like Eset On-line?
    Free Online Virus Scan - Bitdefender Online Virus Scanner
    Free Virus Scan - Free Antivirus Software | Norton Security Scan
    Metascan Online | Free online file scanning with multiple antivirus engines

    Once you are reasonably sure, try the SFC /SCANNOW Command - System File Checker, and then the Restore Point.
    After you do that, then we may have to consider the Repair Install.
    Anak said:
    If BFE is not listed in Services try a Restore point, SFC /scannow, or you may need to do a Repair Install.
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  7. jhnjns32
    Posts : 4
    Windows 7 Home Premium 64bit
    Thread Starter
       New #5

    I used Malwarebytes Anti-Malware to scan my system. It found a few files and quarantined them. My computer seems to be pretty stable now. My antivirus software isn't finding any more threats like it was before I installed malwarebytes.

    I'll try the SFC /SCANNOW Command to see if it helps.
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  8. Anak
    Posts : 5,605
    Originally Win 7 Hm Prem x64 Ver 6.1.7600 Build 7601-SP1 | Upgraded to Windows 10 December 14, 2019
       New #6

    I forgot to mention that even if SFC does not find anything on the first pass, you should run it at least two more times.
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  10. Corrine
    Posts : 2,303
    Windows 7 & Windows Vista Ultimate
       New #7

    jhnjns32 said:
    I've looked into services and BFE DOES NOT populate the list. I cannot find it on the services list.
    Hi, jhnjns.

    Please download RestoreBFE.exe from: http://download.bleepingcomputer.com...RestoreBFE.exe
    Double-click on the downloaded file. It should only take a few seconds to run.
    When complete, it will say .. "Done! Please check if BFE service is running now"
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  11. jhnjns32
    Posts : 4
    Windows 7 Home Premium 64bit
    Thread Starter
       New #8

    Hey guys it's working now. Everything's fixed, BFE populates the services list and the other 2 are running.

    I just used your DL Corrine and it worked instantly. Thank you so much!
    Thank you too Anak for all your help as well.

    Thank you both once more!
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  12. Anak
    Posts : 5,605
    Originally Win 7 Hm Prem x64 Ver 6.1.7600 Build 7601-SP1 | Upgraded to Windows 10 December 14, 2019
       New #9

    Your welcome, I'm glad I was able to help, but Corrine has the Knack.
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  13. MrRatigan
    Posts : 6
    Windows 7 Home Premium 64bit
       New #10

    I just had the same problem and found this while googling on trying to find out how to fix it. Corrine, thank you a lot :)
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