Hackers frequently bundle actual malware inside "cracked" versions of high-end security tools. Since the tool is designed to bypass security, a malicious version could easily hide a trojan or keylogger on your system.
VMProtect is a "software protection" tool that works by virtualizing code—it converts your original code into a unique, non-standard instruction set that can only be executed by a custom virtual machine embedded within the protected file.
The Ultimate edition is the top-tier version, including several features not found in Lite or Professional: