What's new in version 5.99 Major update. 1. Improved Malware Scan engine for detecting TDL3++ (also known as TDL4) rootkit. New version of TDL rootkit infects MBR on the 32 and 64 bit Windows systems. 2. Now UnHackMe can scan Windows 64-bit. 3. RegRun Warrior CD is able to detect infected MBR and restore original.