Panda Free Antivirus software (version 18.05.0) offers real-time protection against all types of malware, including viruses, spyware, and rootkits. It includes a behavioral analysis engine that detects suspicious behavior and prevents infections. The software also includes a USB protection feature that scans all USB devices upon connection to the system. Additionally, it has a built-in rescue kit that allows the user to create a bootable USB drive to clean infected systems.