ZIP archive for a TH-7002 receiver, carrying version 3.82 in its name and taking up exactly 1024 KB. That round 1 MB figure may simply be the archive size, but if the package holds a raw flash image, compare its size with the capacity of the memory chip before programming. This package is likely related to the Tehnosat TN-7002 archive in the same set, though the name alone does not prove it. Use it for software restoration of the receiver after checking the model, and back up the existing firmware first.
The button opens the matching file on RM Schematics, or a source page if it is not catalogued there yet. The original attachment is from @tvsoftwareworld. Enginerys does not host this file.
How to open a .zip file
Compressed archive that every operating system opens without extra software.