Anti Virus Engine

We need to develop an anti-virus engine. Features: 100,000 virus definitions. Monthly updates 1- Heuristic and Encrypted Viruses Scanning Engine. Macro Viruses Scanner. Script Viruses Scanner. Real-Time Scanner. Master Boot Records Scanner. E-Mail Incomming and Outcomming Scanner. Memory Viruses Scanner. Instant Messengers Scanner. Archived and Compressed Files Scanner. Quarantine. Context Menu Integration to Microsoft Windows Explorer Anti-virus shield Please send a detailed proposal, specific to the requirements and mail it to souravs2003 at [login to view URL] Good Luck!