Browning Zed, примерно так (путь искать не надо):
Код:

@echo off
setlocal enableextensions enabledelayedexpansion
set sSourceFile=%~dp0Pack.rar
set sDestFolder=%UserProfile%\Documents\Extras\Control_1
set sMask=Extras\Controller\*.*
if exist "%sSourceFile%" (
start "" "winrar.exe" x -o+ "%sSourceFile%" "%sMask%" "%sDestFolder%\"
) else (
echo Can't find source file [%sSourceFile%].
exit /b 1
)
endlocal
exit /b 0