So, I'm a bit confused. I grabbed dsi_srl_extract from the provided link, opened CMD, typed "dsi_srl_extract.exe 4B464445.bin --basename=FIELDRUNNERS" and all it did was extract the .nds file, nothing else. I made sure "no_mod_crypt = 0" was set in the ini too, just to be sure, but nothing changes between 1 and 0. Any heads up guys, or is it just working for all of you?
EDIT: Read through the source code, and it's backwards and shit. Proper way is this:
dsi_srl_extract.exe --basename=FIELDRUNNERS 4B464445.bin