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Oh in addition to that question, what benefits do you get when you update your DATs and your Engine?
Also, what happens if you have an updated DAT but an outdated engine? and vice-versa?
McAfee gives a good explanation on https://knowledge.mcafee.com/SupportSite/search.do?cmd=displayKC&docType=kc&exte rnalId=615143&sliceId=SAL_Public&dialogID=38014173&stateId=1%200%2038008738
The McAfee Scan Engine is at the heart of McAfee anti-virus software. The Scan Engine consists of a single file (MCSCAN32.DLL) which contains the program logic necessary to:
- Scan files at particular points
- Process and pattern-match virus definitions with data it finds within scanned files
- Decrypt and run virus code in an emulated environment
- Apply heuristic techniques to recognize new viruses
- Remove infectious code from legitimate files.
The Scan Engine utilizes the information contained within the .DAT files to identify and take action against viruses and is updated frequently to implement new advances in anti-virus technology and to provide the greatest level of protection against virus threats. The latest Scan Engine can be downloaded from:
NOTE: The Scan Engine is included in the SuperDAT file. Running the latest SuperDAT will update the Engine as well as install the latest .DAT.