Disable Defender Antivirus Azure data collection

Overview

About this script

This script improves your privacy on Windows.

These changes use Windows system commands to update your settings.

This script disables the Azure data collection library by removing MpAzSubmit.dll

Microsoft refers to this library as the MpAzSubmit Module 1 2 and Microsoft Malware Protection 2.

This file is responsible for:

• Sending data to Azure storage 3
• HTTP communications and REST APIs 3
• It logs events and errors 3

This script enhances privacy by preventing Defender Antivirus from sending potentially sensitive data to Microsoft's cloud services. It may also slightly improve boot performance by reducing the components loaded during startup.

However, this action may reduce system security. Defender Antivirus uses this module to submit suspicious files for analysis, enhancing its threat detection. Disabling it may make your system more vulnerable to new or emerging threats.

Caution

This action impacts Defender Antivirus functionality and may make your system more vulnerable to malware.

Technical Details

The script removes the MpAzSubmit.dll file from its default location:

• %PROGRAMFILES%\Windows Defender\MpAzSubmit.dll 1 2 4

On older versions of Windows, this file is located at:

• %PROGRAMDATA%\Microsoft\Windows Defender\Platform\*\MpAzSubmit.dll 2

This script uses Batch (batchfile) scripting language.

Use with Caution

This script is only recommended if you understand its implications. Some non-critical or features may no longer function correctly after running this script.

Implementation Details

• Language: batch

• Required Privileges: Administrator rights

• Compatibility: Windows only

• Reversibility: Can be undone using provided revert script

Explore Categories

Disable Defender data collection

This action belongs to Disable Defender data collection category. This category features scripts designed to reduce or eliminate data collection by Defender. Disabling these features enhances privacy by limiting the information shared with Microsoft. Although Microsoft Defender offers security benefits, it also collects data for analysis, service improvement,... Read more on category page ▶

Disable Defender

This action belongs to Disable Defender category. This category offers scripts to disable Windows security components related to Defender. Defender is also referred to as Microsoft Defender or Windows Defender. Although designed to protect you, its features may compromise your privacy and decrease computer performance. Privacy concerns... Read more on category page ▶

Privacy over security

This action belongs to Privacy over security category. This category configures Windows using 254 scripts. These scripts are organized in 57 categories. The category includes 3 subcategories that include more scripts and categories. Read more on category page ▶

Apply now

Choose one of three ways to apply:

1. Automatically via privacy.sexy: The easiest and safest option.
2. Manually by downloading: Requires downloading a file.
3. Manually by copying: Advanced flexibility.

Alternative 1. Apply with Privacy.sexy

privacy.sexy is free and open-source application that lets securely apply this action easily.

Open privacy.sexy

You can fully restore this action (revert back to the original behavior) using the application.

privacy.sexy instructions

1. Open or download the desktop application
2. Search for the script name: Disable Defender Antivirus Azure data collection.
3. Check the script by clicking on the checkbox.
4. Click on Run button at the bottom of the page.

Alternative 2. Download

Irreversible Changes

This script is irreversible, meaning there is no straightforward method to restore changes once applied. Exercise caution before running, restoring it may not be possible.

1. Download the script file by clicking on the button below:

   Download script

2. Run the script file by clicking on it.

Download revert script

This file restores your system to its original state, before this script is applied.

Download restore script

Alternative 3. Copy

This is for advanced users. Consider automatically applying or downloading the script for simpler way.

1. Open Command Prompt as administrator.

HELP: Step-by-step guide

1. Click on Start menu

   Windows 11

   

   Windows 10

   

2. Type cmd

   Windows 11

   

   Windows 10

   

3. Right click on Command Prompt select Run as administrator

   Windows 11

   

   Windows 10

   

4. Click on Yes to run Command Prompt

   Windows 11

   

   Windows 10

   

---

Windows 11

Windows 10

2. Copy the following code:

Code to apply changes

:: Soft delete files matching pattern: "%PROGRAMFILES%\Windows Defender\MpAzSubmit.dll"  as TrustedInstaller
PowerShell -ExecutionPolicy Unrestricted -Command "function Invoke-AsTrustedInstaller($Script) { $principalSid = [System.Security.Principal.SecurityIdentifier]::new('S-1-5-80-956008885-3418522649-1831038044-1853292631-2271478464'); $principalName = $principalSid.Translate([System.Security.Principal.NTAccount]); $streamFile = New-TemporaryFile; $scriptFile = New-TemporaryFile; try { $scriptFile = Rename-Item -LiteralPath $scriptFile -NewName ($scriptFile.BaseName + '.ps1') -Force -PassThru; $Script | Out-File $scriptFile -Encoding UTF8; $taskName = "^""privacy$([char]0x002E)sexy invoke"^""; schtasks.exe /delete /tn $taskName /f 2>&1 | Out-Null; $executionCommand = "^""powershell.exe -ExecutionPolicy Bypass -File '$scriptFile' *>&1 | Out-File -FilePath '$streamFile' -Encoding UTF8"^""; $action = New-ScheduledTaskAction -Execute 'powershell.exe' -Argument "^""-ExecutionPolicy Bypass -Command `"^""$executionCommand`"^"""^""; $settings = New-ScheduledTaskSettingsSet -AllowStartIfOnBatteries -DontStopIfGoingOnBatteries; Register-ScheduledTask -TaskName $taskName -Action $action -Settings $settings -Force -ErrorAction Stop | Out-Null; try { ($scheduleService = New-Object -ComObject Schedule.Service).Connect(); $scheduleService.GetFolder('\').GetTask($taskName).RunEx($null, 0, 0, $principalName) | Out-Null; $timeout = (Get-Date).AddMinutes(5); Write-Host "^""Running as $principalName"^""; while ((Get-ScheduledTaskInfo $taskName).LastTaskResult -eq 267009) { Start-Sleep -Milliseconds 200; if ((Get-Date) -gt $timeout) { Write-Warning 'Skipping: Timeout'; break; }; }; if (($result = (Get-ScheduledTaskInfo $taskName).LastTaskResult) -ne 0) { Write-Error "^""Failed, due to exit code: $result."^""; } } finally { schtasks.exe /delete /tn $taskName /f | Out-Null; }; Get-Content $streamFile } finally { Remove-Item $streamFile, $scriptFile; }; }; $cmd = '$pathGlobPattern = "^""%PROGRAMFILES%\Windows Defender\MpAzSubmit.dll"^""'+"^""`r`n"^""+'$expandedPath = [System.Environment]::ExpandEnvironmentVariables($pathGlobPattern)'+"^""`r`n"^""+'Write-Host "^""Searching for items matching pattern: `"^""$($expandedPath)`"^""."^""'+"^""`r`n"^""+''+"^""`r`n"^""+'$renamedCount   = 0'+"^""`r`n"^""+'$skippedCount   = 0'+"^""`r`n"^""+'$failedCount    = 0'+"^""`r`n"^""+''+"^""`r`n"^""+'$foundAbsolutePaths = @()'+"^""`r`n"^""+''+"^""`r`n"^""+'try {'+"^""`r`n"^""+'    $foundAbsolutePaths += @('+"^""`r`n"^""+'        Get-Item -Path $expandedPath -ErrorAction Stop | Select-Object -ExpandProperty FullName'+"^""`r`n"^""+'    )'+"^""`r`n"^""+'} catch [System.Management.Automation.ItemNotFoundException] {'+"^""`r`n"^""+'    <# Swallow, do not run `Test-Path` before, it''s unreliable for globs requiring extra permissions #>'+"^""`r`n"^""+'}'+"^""`r`n"^""+'$foundAbsolutePaths = $foundAbsolutePaths   `'+"^""`r`n"^""+'    | Select-Object -Unique                 `'+"^""`r`n"^""+'    | Sort-Object -Property { $_.Length } -Descending'+"^""`r`n"^""+'if (!$foundAbsolutePaths) {'+"^""`r`n"^""+'    Write-Host ''Skipping, no items available.'''+"^""`r`n"^""+'    exit 0'+"^""`r`n"^""+'}'+"^""`r`n"^""+'Write-Host "^""Initiating processing of $($foundAbsolutePaths.Count) items from `"^""$expandedPath`"^""."^""'+"^""`r`n"^""+'foreach ($path in $foundAbsolutePaths) {'+"^""`r`n"^""+'    if (Test-Path -Path $path -PathType Container) {'+"^""`r`n"^""+'    Write-Host "^""Skipping folder (not its contents): `"^""$path`"^""."^""'+"^""`r`n"^""+'    $skippedCount++'+"^""`r`n"^""+'    continue'+"^""`r`n"^""+'}'+"^""`r`n"^""+'if($revert -eq $true) {'+"^""`r`n"^""+'    if (-not $path.EndsWith(''.OLD'')) {'+"^""`r`n"^""+'        Write-Host "^""Skipping non-backup file: `"^""$path`"^""."^""'+"^""`r`n"^""+'        $skippedCount++'+"^""`r`n"^""+'        continue'+"^""`r`n"^""+'    }'+"^""`r`n"^""+'} else {'+"^""`r`n"^""+'    if ($path.EndsWith(''.OLD'')) {'+"^""`r`n"^""+'        Write-Host "^""Skipping backup file: `"^""$path`"^""."^""'+"^""`r`n"^""+'        $skippedCount++'+"^""`r`n"^""+'        continue'+"^""`r`n"^""+'    }'+"^""`r`n"^""+'}'+"^""`r`n"^""+'$originalFilePath = $path'+"^""`r`n"^""+'Write-Host "^""Processing file: `"^""$originalFilePath`"^""."^""'+"^""`r`n"^""+'if (-Not (Test-Path $originalFilePath)) {'+"^""`r`n"^""+'    Write-Host "^""Skipping, file `"^""$originalFilePath`"^"" not found."^""'+"^""`r`n"^""+'    $skippedCount++'+"^""`r`n"^""+'    exit 0'+"^""`r`n"^""+'}'+"^""`r`n"^""+''+"^""`r`n"^""+'if ($revert -eq $true) {'+"^""`r`n"^""+'    $newFilePath = $originalFilePath.Substring(0, $originalFilePath.Length - 4)'+"^""`r`n"^""+'} else {'+"^""`r`n"^""+'    $newFilePath = "^""$($originalFilePath).OLD"^""'+"^""`r`n"^""+'}'+"^""`r`n"^""+'try {'+"^""`r`n"^""+'    Move-Item -LiteralPath "^""$($originalFilePath)"^"" -Destination "^""$newFilePath"^"" -Force -ErrorAction Stop'+"^""`r`n"^""+'    Write-Host "^""Successfully processed `"^""$originalFilePath`"^""."^""'+"^""`r`n"^""+'    $renamedCount++'+"^""`r`n"^""+'    '+"^""`r`n"^""+'} catch {'+"^""`r`n"^""+'    Write-Error "^""Failed to rename `"^""$originalFilePath`"^"" to `"^""$newFilePath`"^"": $($_.Exception.Message)"^""'+"^""`r`n"^""+'    $failedCount++'+"^""`r`n"^""+'    '+"^""`r`n"^""+'}'+"^""`r`n"^""+'}'+"^""`r`n"^""+'if (($renamedCount -gt 0) -or ($skippedCount -gt 0)) {'+"^""`r`n"^""+'    Write-Host "^""Successfully processed $renamedCount items and skipped $skippedCount items."^""'+"^""`r`n"^""+'}'+"^""`r`n"^""+'if ($failedCount -gt 0) {'+"^""`r`n"^""+'    Write-Warning "^""Failed to process $($failedCount) items."^""'+"^""`r`n"^""+'}'+"^""`r`n"^""+''; Invoke-AsTrustedInstaller $cmd"

3. Right click on command prompt to paste it.
4. Press Enter to apply remaining code.

Copy restore code

Copy and run the following code to restore changes:

Revert code

:: Restore files matching pattern: "%PROGRAMFILES%\Windows Defender\MpAzSubmit.dll"  as TrustedInstaller
PowerShell -ExecutionPolicy Unrestricted -Command "function Invoke-AsTrustedInstaller($Script) { $principalSid = [System.Security.Principal.SecurityIdentifier]::new('S-1-5-80-956008885-3418522649-1831038044-1853292631-2271478464'); $principalName = $principalSid.Translate([System.Security.Principal.NTAccount]); $streamFile = New-TemporaryFile; $scriptFile = New-TemporaryFile; try { $scriptFile = Rename-Item -LiteralPath $scriptFile -NewName ($scriptFile.BaseName + '.ps1') -Force -PassThru; $Script | Out-File $scriptFile -Encoding UTF8; $taskName = "^""privacy$([char]0x002E)sexy invoke"^""; schtasks.exe /delete /tn $taskName /f 2>&1 | Out-Null; $executionCommand = "^""powershell.exe -ExecutionPolicy Bypass -File '$scriptFile' *>&1 | Out-File -FilePath '$streamFile' -Encoding UTF8"^""; $action = New-ScheduledTaskAction -Execute 'powershell.exe' -Argument "^""-ExecutionPolicy Bypass -Command `"^""$executionCommand`"^"""^""; $settings = New-ScheduledTaskSettingsSet -AllowStartIfOnBatteries -DontStopIfGoingOnBatteries; Register-ScheduledTask -TaskName $taskName -Action $action -Settings $settings -Force -ErrorAction Stop | Out-Null; try { ($scheduleService = New-Object -ComObject Schedule.Service).Connect(); $scheduleService.GetFolder('\').GetTask($taskName).RunEx($null, 0, 0, $principalName) | Out-Null; $timeout = (Get-Date).AddMinutes(5); Write-Host "^""Running as $principalName"^""; while ((Get-ScheduledTaskInfo $taskName).LastTaskResult -eq 267009) { Start-Sleep -Milliseconds 200; if ((Get-Date) -gt $timeout) { Write-Warning 'Skipping: Timeout'; break; }; }; if (($result = (Get-ScheduledTaskInfo $taskName).LastTaskResult) -ne 0) { Write-Error "^""Failed, due to exit code: $result."^""; } } finally { schtasks.exe /delete /tn $taskName /f | Out-Null; }; Get-Content $streamFile } finally { Remove-Item $streamFile, $scriptFile; }; }; $cmd = '$revert = $true'+"^""`r`n"^""+'    $pathGlobPattern = "^""%PROGRAMFILES%\Windows Defender\MpAzSubmit.dll.OLD"^""'+"^""`r`n"^""+'    $expandedPath = [System.Environment]::ExpandEnvironmentVariables($pathGlobPattern)'+"^""`r`n"^""+'    Write-Host "^""Searching for items matching pattern: `"^""$($expandedPath)`"^""."^""'+"^""`r`n"^""+'    '+"^""`r`n"^""+'$renamedCount   = 0'+"^""`r`n"^""+'$skippedCount   = 0'+"^""`r`n"^""+'$failedCount    = 0'+"^""`r`n"^""+''+"^""`r`n"^""+'    $foundAbsolutePaths = @()'+"^""`r`n"^""+'    '+"^""`r`n"^""+'    try {'+"^""`r`n"^""+'        $foundAbsolutePaths += @('+"^""`r`n"^""+'            Get-Item -Path $expandedPath -ErrorAction Stop | Select-Object -ExpandProperty FullName'+"^""`r`n"^""+'        )'+"^""`r`n"^""+'    } catch [System.Management.Automation.ItemNotFoundException] {'+"^""`r`n"^""+'        <# Swallow, do not run `Test-Path` before, it''s unreliable for globs requiring extra permissions #>'+"^""`r`n"^""+'    }'+"^""`r`n"^""+'    $foundAbsolutePaths = $foundAbsolutePaths   `'+"^""`r`n"^""+'        | Select-Object -Unique                 `'+"^""`r`n"^""+'        | Sort-Object -Property { $_.Length } -Descending'+"^""`r`n"^""+'    if (!$foundAbsolutePaths) {'+"^""`r`n"^""+'        Write-Host ''Skipping, no items available.'''+"^""`r`n"^""+'        exit 0'+"^""`r`n"^""+'    }'+"^""`r`n"^""+'    Write-Host "^""Initiating processing of $($foundAbsolutePaths.Count) items from `"^""$expandedPath`"^""."^""'+"^""`r`n"^""+'    foreach ($path in $foundAbsolutePaths) {'+"^""`r`n"^""+'        if (Test-Path -Path $path -PathType Container) {'+"^""`r`n"^""+'    Write-Host "^""Skipping folder (not its contents): `"^""$path`"^""."^""'+"^""`r`n"^""+'    $skippedCount++'+"^""`r`n"^""+'    continue'+"^""`r`n"^""+'}'+"^""`r`n"^""+'if($revert -eq $true) {'+"^""`r`n"^""+'    if (-not $path.EndsWith(''.OLD'')) {'+"^""`r`n"^""+'        Write-Host "^""Skipping non-backup file: `"^""$path`"^""."^""'+"^""`r`n"^""+'        $skippedCount++'+"^""`r`n"^""+'        continue'+"^""`r`n"^""+'    }'+"^""`r`n"^""+'} else {'+"^""`r`n"^""+'    if ($path.EndsWith(''.OLD'')) {'+"^""`r`n"^""+'        Write-Host "^""Skipping backup file: `"^""$path`"^""."^""'+"^""`r`n"^""+'        $skippedCount++'+"^""`r`n"^""+'        continue'+"^""`r`n"^""+'    }'+"^""`r`n"^""+'}'+"^""`r`n"^""+'$originalFilePath = $path'+"^""`r`n"^""+'Write-Host "^""Processing file: `"^""$originalFilePath`"^""."^""'+"^""`r`n"^""+'if (-Not (Test-Path $originalFilePath)) {'+"^""`r`n"^""+'    Write-Host "^""Skipping, file `"^""$originalFilePath`"^"" not found."^""'+"^""`r`n"^""+'    $skippedCount++'+"^""`r`n"^""+'    exit 0'+"^""`r`n"^""+'}'+"^""`r`n"^""+''+"^""`r`n"^""+'if ($revert -eq $true) {'+"^""`r`n"^""+'    $newFilePath = $originalFilePath.Substring(0, $originalFilePath.Length - 4)'+"^""`r`n"^""+'} else {'+"^""`r`n"^""+'    $newFilePath = "^""$($originalFilePath).OLD"^""'+"^""`r`n"^""+'}'+"^""`r`n"^""+'try {'+"^""`r`n"^""+'    Move-Item -LiteralPath "^""$($originalFilePath)"^"" -Destination "^""$newFilePath"^"" -Force -ErrorAction Stop'+"^""`r`n"^""+'    Write-Host "^""Successfully processed `"^""$originalFilePath`"^""."^""'+"^""`r`n"^""+'    $renamedCount++'+"^""`r`n"^""+'    '+"^""`r`n"^""+'} catch {'+"^""`r`n"^""+'    Write-Error "^""Failed to rename `"^""$originalFilePath`"^"" to `"^""$newFilePath`"^"": $($_.Exception.Message)"^""'+"^""`r`n"^""+'    $failedCount++'+"^""`r`n"^""+'    '+"^""`r`n"^""+'}'+"^""`r`n"^""+'    }'+"^""`r`n"^""+'    if (($renamedCount -gt 0) -or ($skippedCount -gt 0)) {'+"^""`r`n"^""+'    Write-Host "^""Successfully processed $renamedCount items and skipped $skippedCount items."^""'+"^""`r`n"^""+'}'+"^""`r`n"^""+'if ($failedCount -gt 0) {'+"^""`r`n"^""+'    Write-Warning "^""Failed to process $($failedCount) items."^""'+"^""`r`n"^""+'}'+"^""`r`n"^""+''; Invoke-AsTrustedInstaller $cmd"

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