Yes
// ==UserScript==
// @name 400gb.com Ads Remover
// @description Yes
// @version 0.1
// @author halfcoder
// @namespace http://github.com/halfcoder
// @include http://www.400gb.com/file/*
// ==/UserScript==
setTimeout(function() {
var script = document.createElement('script');
script.id = '400gbadsremover';
script.type = 'text/javascript';
script.innerHTML = "(function($){console.log(\"400gb.com Ads Remover by halfcoder is running!\");$(\"body\").append(\"<div id=\\\"cproIframe7holder\\\"></div>\");})(jQuery);";
document.head.appendChild(script);
}, 1000);