Using WUMT: Does Defender automatically update signatures...?

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  1. Posts : 369
    Windows 10 x64 Pro 22H2
       #1

    Using WUMT: Does Defender automatically update signatures...?


    Hey all! I've recently switched to WUMT, and I have this little bug in my head.

    Basically, I've set it so automatic updates are disabled, and I search for them manually, but, I wonder if Windows Defender will update signatures automatically if I do this.

    If it doesn't... Is there some custom task I can create or something so Defender keeps itself with updated signatures automatically?

    Thanks in advance for your help, guys!
    Last edited by FerchogtX; 14 Apr 2023 at 01:05.
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  2. Posts : 829
    Windows 7
       #2
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  3. Posts : 369
    Windows 10 x64 Pro 22H2
    Thread Starter
       #3

    Oh thanks! This comes in handy!
    So this means keeping automatic updates disabled with WUMT also disable signature updates?
    What about the rest of features? Downloading laguage packs is affected? So far seems Windows Store is not...

    Cheers!
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  4. Posts : 17,013
    Windows 10 Home x64 Version 22H2 Build 19045.4170
       #4

    1 WUMT does not disable anything, it is just a means of listing & downloading updates.
    Perhaps you used a thing called WUMT WrapperScript / SledgeHammer to disable WU and set up WUMT in its place? - Download Sledgehammer (formerly WUMT Wrapper Script) - MajorGeeks

    Personally, I avoid automatic updates by just setting my network connections to metered and almost all Windows updates are prevented [there's one small & inconsequential one, KB4023057, that slips through once or sometimes twice a year] so I don't bother with any fancy measures such as disabling WU. Because of the metered setting, WU simply does not download or install anything.
    Set Wireless Network Metered Connection - TenForumsTutorials
    Set Ethernet Connection as Metered or Unmetered - TenForumsTutorials
    This is my Registry key after applying these changes. All network connections are metered including the Default i.e. all future WiFi networks that I might connect to.
    Using WUMT: Does Defender automatically update signatures...?-metered-connections-key.png


    2 If you have used SledgeHammer to disable WU then you have indeed disabled Defender malware definition updates & platform updates. My metered settings also have this effect.
    Setting them up yourself to run automatically [outside of WU] is fairly straightforward.
    See Option 3 of Update ... Microsoft Defender - TenForumsTutorials
    Whilst that tutorial & many other articles refer to malware definition updates, updating them will also include updating the Defender platform [the utility itself].


    3 Windows Store app updates run outside of WU. So do updates for MSOffice 2016 & later versions. I don't know about language packs.


    4 I update my Windows by running WUMT itself [i.e. not SledgeHammer], WUMgr or an equivalent to list available updates then I search TenForums News for threads with their KB numbers in the titles. There's a News article for practically every update & almost all of them have a direct download link for the update.



    All the best,
    Denis
    Last edited by Try3; 14 Apr 2023 at 04:12.
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  5. Posts : 369
    Windows 10 x64 Pro 22H2
    Thread Starter
       #5

    Try3 said:
    1 WUMT does not disable anything, it is just a means of listing & downloading updates.
    Perhaps you used a thing called WUMT WrapperScript / SledgeHammer to disable WU and set up WUMT in its place? - Download Sledgehammer (formerly WUMT Wrapper Script) - MajorGeeks

    Personally, I avoid automatic updates by just setting my network connections to metered and almost all Windows updates are prevented [there's one small & inconsequential one, KB4023057, that slips through once or sometimes twice a year] so I don't bother with any fancy measures such as disabling WU. Because of the metered setting, WU simply does not download or install anything.
    Set Wireless Network Metered Connection - TenForumsTutorials
    Set Ethernet Connection as Metered or Unmetered - TenForumsTutorials
    This is my Registry key after applying these changes. All network connections are metered including the Default i.e. all future WiFi networks that I might connect to.
    Using WUMT: Does Defender automatically update signatures...?-metered-connections-key.png


    2 If you have used SledgeHammer to disable WU then you have indeed disabled Defender malware definition updates & platform updates. My metered settings also have this effect.
    Setting them up yourself to run automatically [outside of WU] is fairly straightforward.
    See Option 3 of Update ... Microsoft Defender - TenForumsTutorials
    Whilst that tutorial & many other articles refer to malware definition updates, updating them will also include updating the Defender platform [the utility itself].


    3 Windows Store app updates run outside of WU. So do updates for MSOffice 2016 & later versions. I don't know about language packs.


    4 I update my Windows by running WUMT itself [i.e. not SledgeHammer], WUMgr or an equivalent to list available updates then I search TenForums News for threads with their KB numbers in the titles. There's a News article for practically every update & almost all of them have a direct download link for the update.



    All the best,
    Denis
    Ohhh... well, you know this setting about automatic updates:


    This disables Windows Update from searching and installing automatically using group policy (and works on home editions too, tested on VM), and came to my mind if this also made Defender automatic updates stop. I prefer this setting, because I can just look for updates manually, or skip problematic stuff until I can update (or hide hideous updates, like the BIOS one MS tried to push on me)

    I only use WUMT and with this setting. Does this disables Defender updates too?

    Thanks for the patience X3
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  6. Posts : 17,013
    Windows 10 Home x64 Version 22H2 Build 19045.4170
       #6

    I think that setting just controls WUMT.
    I have rechecked all my old info about WUMT and nothing suggests that that setting has any effect on WU itself.
    You say you conducted experiments that said otherwise. I am amazed.
    Are you sure that you did not inhibit WU with your Group policy settings instead?


    All the best,
    Denis
      My Computer


  7. Posts : 369
    Windows 10 x64 Pro 22H2
    Thread Starter
       #7

    Not really, fiddling with that setting causes registry keys to be created, and Windows Update shows this on my Pro machine:



    It's in spanish, but basically says "My organization is handling some settings" and the one with * says "My organization disabled Automatic windows updates."

    I haven't touched the Group Policy Editor, this changes if you fiddle with WUMT settings. Home editions don't show nothing, but still respect the settings...
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  8. Posts : 17,013
    Windows 10 Home x64 Version 22H2 Build 19045.4170
       #8

    I just set that WUMT Automatic updates - Disabled on my Windows 10 Home whilst monitoring Registry changes with RegShot.
    No Registry Keys associated with WU were changed.
    No messages are shown in my WU page.
    My WU Check for updates button continues to be active. I just used it and it found a driver update that had not been listed before.


    All the best,
    Denis
    Last edited by Try3; 15 Apr 2023 at 10:58.
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  9. Posts : 369
    Windows 10 x64 Pro 22H2
    Thread Starter
       #9





    I'll be honest, I didn't expect this app to mess with policy directives... I don't complain, tho, this is exactly what I needed since I look to check for updates and even block them in case they are dangerous to my system (like the Insyde BIOS update... that thing for this ACER is death). This reg key also is valid for home systems. Windows respects this no matter if Group Policy is available or not...

    Anyway, thanks a bunch for all the help, I can consider this solved!

    Cheers!
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  10. Posts : 17,013
    Windows 10 Home x64 Version 22H2 Build 19045.4170
       #10

    I do not have the Sub-Key ...../AU shown in your diagram.
    I would have recognised the Sub-Key ...../AU name. Nothing there was altered when I set WUMT to Automatic updates - Disabled.
    I think I've seen that Sub-Key in one of the threads suggesting how to disable WU [which I have never done].

    Your Group Policy Editor should not change as you alter anything in the Registry or using applications. Its "not configured" means that Group Policy Editor has not been used to change the parameters.

    Your WU warnings "My organization is handling some settings" and the one with * says "My organization disabled Automatic windows updates." mean that GPE or manual changes have affected WU.
    - If it wasn't GPE then it was something else.
    - I don't see how it could have been WUMT since it didn't do so on my computer.

    I still urge you to check that you did not use 'WUMT WrapperScript' / 'SledgeHammer' or some equivalent.


    All the best,
    Denis
      My Computer


 

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