HIT (compressed archive)
From Just Solve the File Format Problem
HIT is a compressed archive utility for DOS, and its associated file format. It was developed by Bogdan Ureche.
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Format details
A HIT file consists of a two-byte archive signature, followed by a sequence of member file segments.
Each member segment starts with a header. A member header starts with a two-byte field giving the header size, followed by a 1-byte checksum field. The checksum is derived from all bytes in the header except the checksum field.
Identification
Files start with a two-byte signature: ASCII "UB".
The byte at offset 3 is almost certain to be 0x00, though that's not strictly required.
Validating the first header checksum would also help to identify the format.
