This is a PHP script that uses md5.gromweb.com to see if a provided md5 is a known value.
You can download it from the following link: https://packetstormsecurity.com/files/download/130249/INURLBR-API-DecrypterMD5.zip
Source: https://packetstormsecurity.com/files/130249/INURLBR-MD5-Checker.html