The recognition engine takes into account the following file characteristics when matching data in the scan file to the data in the library (zsai file):
- File Name
- File Size
- File Signature (checksum of first 8KB of the file)
- File Type (executable type)
- Version Data (file header information)
- OS Installed String (this is the info from Add/Remove programs - on Windows only for fine tuning)
- OS Package Manager info (Publisher, Application Name, Version, other properties), Relationship between packages and installed files