Regedit - add right click context menu

right-click.bat

::in regedit navigate to following
HKEY_CLASSES_ROOT\Folder\shell
:: Right-click the shell key in the left pane, point to New, 
::and create a new Key. Name it WindowsDefender.

::With the WindowsDefender key selected in the left pane, 
::right-click in the right pane and create a new String value. 
::Name it Icon, then double-click it and enter the following value:
%ProgramFiles%\\Windows Defender\\EppManifest.dll

::Right-click in the right pane again and create another 
::new String value. Name it MUIVerb, then double-click it and enter the following value:
Scan with Windows Defender

::Right-click the WindowsDefender key in the left pane, 
::point to new, and create a new key. Name it Command.

::Double-click the (Default) value in the right pane 
::with the Command key selected and give it the following value:
"C:\Program Files\Windows Defender\MpCmdRun.exe" -scan -scantype 3 -SignatureUpdate -file %1

Scan With Windows Defender.bat

::Create the following batch file and put it in your SendTo folder.
::Will scan both folders or single files and wont close after running
@ECHO OFF
Echo %1
"C:\Program Files\Windows Defender\MpCmdRun.exe" -Scan -ScanType 3 -File %1
PAUSE