I'm only hosting this tool for archival purposes. This tool was built and released by Andrey Osenenko around 2011 and seems to have vanished from the internet since then. The issues section will be disabled and the source code is untouched.
See the https://github.com/07th-mod/enter_extractor repository for a extractor which handles the newer file formats used by the same company.
This tool extracts the assets of Umineko no Naku Koro ni (Majo to Suiri no Rondo and Shinjitsu to Gensou no Nocturne) released for PS3. As far as I know this tool cannot extract the assets from the PSP version.
Usage: ps3umi.exe DATA.ROM directory
Extracts contents of ps3 umineko archive into directory
Usage: ps3umi.exe file.pic file.bmp
Converts ps3 umineko picture file.pic to windows bitmap file.bmp
Usage: ps3umi.exe file.bup file
Creates multiple windows bitmap files named file<emotion name>.bmp
from ps3 umineko character sprite file.bup
Usage: file.txa file
Creates multiple windows bitmap files named file_<sub-title>.bmp
from ps3 umineko picture collection file.txa
Andrey Osenenko - original creator of the tool