Archive of 328 KB holding Wicardd for S Sh@ra, the name written partly in Russian meaning for S Sh@ra. Wicardd is a card-server program used on Linux-based receivers, so this is likely a binary and config set for that box rather than a full firmware image. Technicians install such packages to restore receiver services after a software reset. Check the receiver processor architecture matches the binary and keep copies of existing configuration files before replacing them.
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 .rar file
Compressed archive — the usual wrapper for a schematic + boardview pair or a BIOS + EC set.