Browsers and Mail Enable or Disable Scareware Blocker in Microsoft Edge in Windows 11


Microsoft_Edge_banner.webp

This tutorial will show you how to turn on or off scareware blocker in Microsoft Edge for your account or all users in Windows 10 and Windows 11.

Scareware blocker is now available in preview for Microsoft Edge, but is turned off by default. Scareware blocker allows Microsoft to use AI to detect potential tech scams.

Today, Edge uses Microsoft Defender SmartScreen to block known scams as people encounter them. But what if you’re the first person to see a new scam before it can be blocked? What if a scam hits your coworkers, your friends, or your family? While no one is immune, these scams particularly prey on vulnerable elderly communities.

“Scareware” scams are a particularly convincing type of tech support scam. They use aggressive web pages to convince victims into thinking their system is infected with malware, pressure them to call a fake tech support number, and try to gain access to the computer. Last year, Hollywood even made a blockbuster action movie with scareware scammers as the villains.

Scareware blocker uses a machine learning model to recognize the tell-tale signs of scareware scams and puts users back in control of their computer. We call on users who want to combat scams to help us test our preview.

As mentioned above, most people who land on a scam in Edge will be protected by Defender SmartScreen, which provides real-time checks on new and unfamiliar sites where abuse is more likely to hide. Once an abusive site is detected, SmartScreen can protect users worldwide within minutes.

Scareware blocker adds a new, first line of defense to help protect the users exposed to a new scam if it attempts to open a full screen page. Scareware blocker uses a machine learning model that runs on the local computer. The model uses computer vision to compare full screen pages to thousands of sample scams that the scam-fighting community shared with us. The model runs locally, without saving or sending images to the cloud.

When scareware blocker suspects a page is a scam, Edge will put users back in control by exiting full screen mode, stopping aggressive audio playback, warning the user, and showing a thumbnail of the page they were just viewing.

Once the user is back in control of their browser, scareware blocker will let them report the malicious site to protect others. Users can share a screenshot of the scam and other diagnostics with Microsoft, helping the Defender SmartScreen service detect scareware outbreaks across multiple machines. If they don’t choose to report, the scareware blocker model will discard the page.

Reference:


Contents

  • Option One: Turn On or Off Scareware Blocker in Microsoft Edge for Current User from Settings
  • Option Two: Enable or Disable Scareware Blocker in Microsoft Edge for All Users using REG file


EXAMPLE: Scareware blocker in Microsoft Edge






Option One

Turn On or Off Scareware Blocker in Microsoft Edge for Current User from Settings


1 Open Microsoft Edge.

2 Click/tap on the Setting and more (Alt+F) 3 dots button, and click/tap on Settings. (see screenshot below)

Edge_Settings.webp

3 Click/tap on Privacy, search, and services in the left pane.. (see screenshot below step 4)

If you do not see a left pane, then either click/tap on the 3 bars menu button towards the top left OR widen the horizontal borders of the Microsoft Edge window until you do.


4 Under the Security section, turn on or off (default) Scareware blocker for what you want. (see screenshot below)

Edge_scareware_blocker.webp

5 You can now close the Settings tab if you like.




Option Two

Enable or Disable Scareware Blocker in Microsoft Edge for All Users using REG file


You must be signed in as an administrator to use this option.

This option uses the ScarewareBlockerProtectionEnabled policy for Microsoft Edge.


1 Do step 2 (always enable), step 3 (disable), or step 4 (default) below for what you want.

2 Always Enable Scareware Blocker in Microsoft Edge for All Users

This will override and gray out Option One.


A) Click/tap on the Download button below to download the REG file below, and go to step 5 below.​

Always_enable_Scareware_Blocker_in_Microsoft_Edge_for_all_users.reg


(Contents of REG file for reference)
Code:
Windows Registry Editor Version 5.00

[HKEY_LOCAL_MACHINE\SOFTWARE\Policies\Microsoft\Edge]
"ScarewareBlockerProtectionEnabled"=dword:00000001

3 Disable Scareware Blocker in Microsoft Edge for All Users

This will override and gray out Option One.


A) Click/tap on the Download button below to download the REG file below, and go to step 5 below.​

Disable_Scareware_Blocker_in_Microsoft_Edge_for_all_users.reg


(Contents of REG file for reference)
Code:
Windows Registry Editor Version 5.00

[HKEY_LOCAL_MACHINE\SOFTWARE\Policies\Microsoft\Edge]
"ScarewareBlockerProtectionEnabled"=dword:00000000

4 Default User-choice Scareware Blocker in Microsoft Edge

This is the default setting to allow using Option One.


A) Click/tap on the Download button below to download the REG file below, and go to step 5 below.​

Default_user-choice_Scareware_Blocker_in_Microsoft_Edge.reg


(Contents of REG file for reference)
Code:
Windows Registry Editor Version 5.00

[HKEY_LOCAL_MACHINE\SOFTWARE\Policies\Microsoft\Edge]
"ScarewareBlockerProtectionEnabled"=-

5 Save the .reg file to your desktop.

6 Double click/tap on the downloaded .reg file to merge it.

7 When prompted, click/tap on Run, Yes (UAC), Yes, and OK to approve the merge.

8 If Microsoft Edge is currently open, then close and reopen Microsoft Edge to apply.

9 You can now delete the downloaded .reg file if you like.


That's it,
Shawn Brink

 

Attachments

Last edited:
Tutorial updated to add option two for the new Edge policy. :alien:
 

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