@setlocal enableextensions enabledelayedexpansion
@echo off

rem Make sure we're running as admin. Got this garbage from https://stackoverflow.com/a/40388766
if not "%1"=="am_admin" (
    powershell -Command "Start-Process -Verb RunAs -FilePath '%0' -ArgumentList 'am_admin'"
    exit /b
)

rem USE AT OWN RISK AS IS WITHOUT WARRANTY OF ANY KIND !!!!!
rem NOTE: Defender may see this file as malware, so you will likely need to exclude this before things can be disabled.
rem
rem Modified version of
rem https://raw.githubusercontent.com/mattreecebentley/win10_disable_defender/main/win10_enable_defender.bat
rem https://gist.github.com/xezrunner/a7a42dbc1096a40b0c78f09488fe5a2b

reg query HKLM\SYSTEM\Setup /v DisabledDefenderServices | find "0x1"
if %errorlevel% == 0 goto already_patched

echo.
echo Please note that Defender can only be disabled in Win10 v2004 and upwards if Tamper Protection is disabled.
echo This setting can be found in Window settings (hint: search for 'tamper'). Please do this now and then,
pause

echo.
echo Disabling Windows Defender
rem from: https://pastebin.com/kYCVzZPz
rem Disable Tamper Protection First - on WIn10 vers which allow for this (not from 2004 onwards)
reg add "HKLM\Software\Microsoft\Windows Defender\Features" /v "TamperProtection" /t REG_DWORD /d "0" /f

rem To disable System Guard Runtime Monitor Broker
rem reg add "HKLM\System\CurrentControlSet\Services\SgrmBroker" /v "Start" /t REG_DWORD /d "4" /f

rem To disable Windows Defender Security Center include this
rem reg add "HKLM\System\CurrentControlSet\Services\SecurityHealthService" /v "Start" /t REG_DWORD /d "4" /f

echo.
echo Disable Real-time protection
reg delete "HKLM\Software\Policies\Microsoft\Windows Defender" /f
reg add "HKLM\Software\Policies\Microsoft\Windows Defender" /v "DisableAntiSpyware" /t REG_DWORD /d "1" /f
reg add "HKLM\Software\Policies\Microsoft\Windows Defender" /v "DisableAntiVirus" /t REG_DWORD /d "1" /f
reg add "HKLM\Software\Policies\Microsoft\Windows Defender\MpEngine" /v "MpEnablePus" /t REG_DWORD /d "0" /f
reg add "HKLM\Software\Policies\Microsoft\Windows Defender\Real-Time Protection" /v "DisableBehaviorMonitoring" /t REG_DWORD /d "1" /f
reg add "HKLM\Software\Policies\Microsoft\Windows Defender\Real-Time Protection" /v "DisableIOAVProtection" /t REG_DWORD /d "1" /f
reg add "HKLM\Software\Policies\Microsoft\Windows Defender\Real-Time Protection" /v "DisableOnAccessProtection" /t REG_DWORD /d "1" /f
reg add "HKLM\Software\Policies\Microsoft\Windows Defender\Real-Time Protection" /v "DisableRealtimeMonitoring" /t REG_DWORD /d "1" /f
reg add "HKLM\Software\Policies\Microsoft\Windows Defender\Real-Time Protection" /v "DisableRoutinelyTakingAction" /t REG_DWORD /d "1" /f
reg add "HKLM\Software\Policies\Microsoft\Windows Defender\Real-Time Protection" /v "DisableScanOnRealtimeEnable" /t REG_DWORD /d "1" /f
reg add "HKLM\Software\Policies\Microsoft\Windows Defender\Reporting" /v "DisableEnhancedNotifications" /t REG_DWORD /d "1" /f
reg add "HKLM\Software\Policies\Microsoft\Windows Defender\SpyNet" /v "DisableBlockAtFirstSeen" /t REG_DWORD /d "1" /f
reg add "HKLM\Software\Policies\Microsoft\Windows Defender\SpyNet" /v "SpynetReporting" /t REG_DWORD /d "0" /f
reg add "HKLM\Software\Policies\Microsoft\Windows Defender\SpyNet" /v "SubmitSamplesConsent" /t REG_DWORD /d "2" /f

echo.
echo Disable Logging
reg add "HKLM\System\CurrentControlSet\Control\WMI\Autologger\DefenderApiLogger" /v "Start" /t REG_DWORD /d "0" /f
reg add "HKLM\System\CurrentControlSet\Control\WMI\Autologger\DefenderAuditLogger" /v "Start" /t REG_DWORD /d "0" /f

echo.
echo Disable WD Tasks
schtasks /Change /TN "Microsoft\Windows\ExploitGuard\ExploitGuard MDM policy Refresh" /Disable
schtasks /Change /TN "Microsoft\Windows\Windows Defender\Windows Defender Cache Maintenance" /Disable
schtasks /Change /TN "Microsoft\Windows\Windows Defender\Windows Defender Cleanup" /Disable
schtasks /Change /TN "Microsoft\Windows\Windows Defender\Windows Defender Scheduled Scan" /Disable
schtasks /Change /TN "Microsoft\Windows\Windows Defender\Windows Defender Verification" /Disable

echo.
echo Disable WD systray icon
reg delete "HKLM\Software\Microsoft\Windows\CurrentVersion\Explorer\StartupApproved\Run" /v "SecurityHealth" /f
reg delete "HKLM\Software\Microsoft\Windows\CurrentVersion\Run" /v "SecurityHealth" /f

echo.
echo Remove WD context menu
reg delete "HKCR\*\shellex\ContextMenuHandlers\EPP" /f
reg delete "HKCR\Directory\shellex\ContextMenuHandlers\EPP" /f
reg delete "HKCR\Drive\shellex\ContextMenuHandlers\EPP" /f

echo.
echo Disable WD services
reg add HKLM\SYSTEM\CurrentControlSet\Services\wscsvc /v "Start" /t REG_DWORD /d "4" /f
reg add "HKLM\System\CurrentControlSet\Services\WdBoot" /v "Start" /t REG_DWORD /d "4" /f
reg add "HKLM\System\CurrentControlSet\Services\wdFilter" /v "Start" /t REG_DWORD /d "4" /f
reg add "HKLM\System\CurrentControlSet\Services\WdNisDrv" /v "Start" /t REG_DWORD /d "4" /f
reg add "HKLM\System\CurrentControlSet\Services\WdNisSvc" /v "Start" /t REG_DWORD /d "4" /f
reg add "HKLM\System\CurrentControlSet\Services\WinDefend" /v "Start" /t REG_DWORD /d "4" /f

echo.
echo Disable Security system tray icon
reg add "HKLM\SOFTWARE\Policies\Microsoft\Windows Defender Security Center\Systray" /v "HideSystray" /t REG_DWORD /d "1" /f

echo.
echo Finishing up...
reg add HKLM\SYSTEM\Setup /v DisabledDefenderServices /t REG_DWORD /d 1 /f

echo.
echo Windows Defender has (hopefully) been disabled.
echo You should still be able to scan files going forward. Also, the Antimalware Service Executable should immediately stop using CPU cycles.
echo Please restart your computer to see all changes.

goto eof

:already_patched
echo Defender has already been disabled by this script.

:eof
echo.
pause