Payload Security is an IT-Security Startup Company located in the heart of Germany. It develops automated malware analysis systems with VxStream Sandbox as its main product. Payload Security systems come with a high-performance engine that implements Hybrid Analysis, a unique technology that can detect malicious behaviour, shellcode and dormant code.
Read more here - http://www.payload-security.com/
A free service to submit and analyze malware samples is available here: http://www.hybrid-analysis.com