Add or Remove Scan with Microsoft Defender Context Menu in Windows 10  

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  1. Posts : 61,895
    64-bit Windows 11 Pro for Workstations
    Thread Starter
       #60

    Ztruker said:
    I have it turned on as that's thje way I prefer MBAM and Defender to run.

    I'll turn it off and see what happens.

    Thanks Shawn

    Yup, that is the fix but I prefer it to run the other way so I'll turn it off if I need to scan individual files or folders.
      My Computers


  2. Posts : 4
    Windows 10
       #61

    adding shift key to show scan on context menu


    may I know how can I add shift key right click to show "Scan with windows Defender" on right click context?
      My Computer


  3. Posts : 265
    Dual-boot Win 7 & 10, both Pro 64-bit, now with a Hyper-V VM of Win 11
       #62

    Hmmm. The .reg file does not work for me.

    Right-click on a file still does NOT show Windows Defender as an option

    Win 10 Pro 64-bit v 21H1.

    Had it for a while and would like to have it back. Don't know when it disappeared,

    EDIT - Brink's post just a few up from here did the trick - turning off the switch in Malwarebytes! Win Def is back in right-click. I would NEVER have found that. Thanks, Brink !!!!!! (MalwareBytes Free gave me its promo of active protection for 14 days, and that had the switch Brinks shows four above.)
    Last edited by glnz; 06 Nov 2021 at 23:13.
      My Computer


  4. Posts : 272
    Windows 10 Home 21H2
       #63

    .
    I've been downloading reg files from these tutorials for over 50 years, but this is the first failure. I'm on a new Dell XPS.

    Firstly, the file doesn't go to desktop. Secondly, the name is:

    - Unconfirmed 135404.crdownload

    I copied the file, changed the name to REG, and verified that contents matched your code in the tutorial.

    All messages were positive.

    Nothing was added to context menus.

    Restarted. Still nothing added.

    Please advise.
      My Computer


  5. Posts : 16,155
    Win 10 Pro 64-bit v1909 - Build 18363 Custom ISO Install
       #64

    Hello @OldGrantonian,

    I have just checked the REG Entries in the Tutorial for you against mine, and mine are exactly the same except for . . .

    Tutorial Code
    Code:
    
    [HKEY_CLASSES_ROOT\CLSID\{09A47860-11B0-4DA5-AFA5-26D86198A780}\InprocServer32]
    @="C:\\Program Files\\Windows Defender\\shellext.dll"

    My Registry Entry
    Code:
    
    HKEY_CLASSES_ROOT\CLSID\{09A47860-11B0-4DA5-AFA5-26D86198A780}\InprocServer32
    @="C:\Program Files\Windows Defender\shellext.dll"

    I only have single \ separators instead of double \\ separators. I do NOT know if that will work for you.

    @Brink will be able to clarify the correct REG Entries later.

    I hope this helps.
      My Computer


  6. Posts : 272
    Windows 10 Home 21H2
       #65

    Thanks for trying to help. That did not add anything to the context menu.

    Paul Black said:
    I only have single \ separators instead of double \\ separators.
    It looks as if the double slashes are simply escapes.

    I ran Shawn's reg first, without examining the results in the registry. I then ran your reg, and looked in registry. Only single backslashes were present.

    Because your reg changed nothing in the registry (still single backslashes), I thought I might as well re-run Shaw's version to restore the registry to what it would have been if I hadn't run your version.

    But when I ran Shawn's version (with the code as in the tutorial), there are still only single backslashes in the string for the URL. So, IMO, that suggests that double backslashes are escaped in the registry.

    But I can wait till Shawn gets out the pub.

    Thanks
    .
    Last edited by OldGrantonian; 4 Weeks Ago at 11:02.
      My Computer


  7. Posts : 61,895
    64-bit Windows 11 Pro for Workstations
    Thread Starter
       #66

    Paul Black said:
    Hello @OldGrantonian,

    I have just checked the REG Entries in the Tutorial for you against mine, and mine are exactly the same except for . . .

    Tutorial Code
    Code:
    
    [HKEY_CLASSES_ROOT\CLSID\{09A47860-11B0-4DA5-AFA5-26D86198A780}\InprocServer32]
    @="C:\\Program Files\\Windows Defender\\shellext.dll"

    My Registry Entry
    Code:
    
    HKEY_CLASSES_ROOT\CLSID\{09A47860-11B0-4DA5-AFA5-26D86198A780}\InprocServer32
    @="C:\Program Files\Windows Defender\shellext.dll"

    I only have single \ separators instead of double \\ separators. I do NOT know if that will work for you.

    @Brink will be able to clarify the correct REG Entries later.

    I hope this helps.
    OldGrantonian said:
    Thanks for trying to help. That did not add anything to the context menu.



    It looks as if the double slashes are simply escapes.

    I ran Shawn's reg first, without examining the results in the registry. I then ran your reg, and looked in registry. Only single backslashes were present.

    Because your reg changed nothing in the registry (still single backslashes), I thought I might as well re-run Shaw's version to restore the registry to what it would have been if I hadn't run your version.

    But when I ran Shawn's version (with the code as in the tutorial), there are still only single backslashes in the string for the URL. So, IMO, that suggests that double backslashes are escaped in the registry.

    But I can wait till Shawn gets out the pub.

    Thanks

    However, I then re-ran Shawn's
    Hello,

    Having @="C:\\Program Files\\Windows Defender\\shellext.dll" in the REG file with the double "" in the file path is normal for it to show in the registry as @="C:\Program Files\Windows Defender\shellext.dll" with a single "" in the path. It's just one of those odd requirements for a REG file to get it to have the correct path in the registry.
      My Computers


  8. Posts : 272
    Windows 10 Home 21H2
       #67

    .
    I tried the MBAM fixes that Shawn mentioned in posts #47 and #58.

    That worked.

    BTW: Just to add a bit of confusion to normality.

    I found a link which asserts that adding a context menu item for Win Defender makes no sense nowadays. (I forgot to log the link, and my cache was cleared.)

    Reason: Win Defender automatically scans the file as soon as it detects the download. If that's correct, such a scan will occur several million nanoseconds before the user can locate the new download and R-click.

    Maybe someone could test the assertion using EICAR. My days of that are long gone.

    Thanks
      My Computer


  9. Posts : 272
    Windows 10 Home 21H2
       #68

    .
    Brink said:
    As a test, move the folder to your desktop to see if you have the same issue there.
    With the file on the desktop, everything worked as expected.

    Thanks
      My Computer


  10. Posts : 61,895
    64-bit Windows 11 Pro for Workstations
    Thread Starter
       #69

    OldGrantonian said:
    .


    With the file on the desktop, everything worked as expected.

    Thanks
      My Computers


 

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