herdProtect is a free second-level cloud-based malware scanning platform powered by a the top 68 anti-malware engines.
License: Free
Emsisoft Emergency Kit offers robust on-demand scanning and rootkit detection in a portable format, making it suitable for users who prefer manual scans. In contrast, herdProtect provides a cloud-based scanning solution with multiple engines for enhanced malware detection, but lacks some advanced features like real-time protection and rootkit detection.