Bye the way, it looks like this is inside your body tag, look in your header.php and see if you see this piece of code, if so, remove it and all should be well. Look just under this tag <body id=”top” class=”home blog”> and see if you see this. this is the offending code.
<div id="imagem">
<img width="669" height="221" border="0" usemap="#Map" src="https://hostgator.com.br/images/404.jpg">
<map id="Map" name="Map">
<area alt="Site HostGator" target="_blank" href="https://hostgator.com.br/" coords="173,126,513,220" shape="rect">
</map>
</div>
<p>
Just a note, if your body tag is the end of your header.php then it may be on the index.php or it may be in a page template somewhere. Not sure how it could have gotten there but that is what it looks like from my end.