This program can unpack .ebix downloaded EBook package for EBookJapan with DRM.
Windows
.Net Framework 4.7.2
See make.bat
Download .ebix with ebiReader, default download path is Documents\EBJ\ebookjapan\Books.
Run this program with main.exe EBIX_PATE [OUTPUT_DIR] then find all jpg in the output dir (default in the dir with same name as .ebix)
This program can only run on machine which download the .ebix (There's a machine check with DRM).
You can't Extract a .ebix from others.
Only tested .ebix with "HVQBOOK4.00" header, not known(seen) what about others.
It just call the official dll function to Extract.