Gameloft *.GBMP files

Extraction and unpacking of game archives and compression, encryption, obfuscation, decoding of unknown files
hackspeedok
Posts: 404
Joined: Mon Oct 06, 2014 6:41 pm

Gameloft *.GBMP files

Post by hackspeedok »

Help me, aluigi
aluigi
Site Admin
Posts: 12984
Joined: Wed Jul 30, 2014 9:32 pm

Re: Gameloft *.GBMP files

Post by aluigi »

It's just a ZIP archive with modified magic values, use zip.bms with that:
http://aluigi.org/papers/bms/zip.bms
hackspeedok
Posts: 404
Joined: Mon Oct 06, 2014 6:41 pm

Re: Gameloft *.GBMP files

Post by hackspeedok »

aluigi
Site Admin
Posts: 12984
Joined: Wed Jul 30, 2014 9:32 pm

Re: Gameloft *.GBMP files

Post by aluigi »

quickbms already uses advancecomp, zopfli and kzip to compress zlib/deflate data. that file probably can't be compressed more using the default settings.
Being a zip file I don't think you need to reimport the files.
hackspeedok
Posts: 404
Joined: Mon Oct 06, 2014 6:41 pm

Re: Gameloft *.GBMP files

Post by hackspeedok »

aluigi wrote:quickbms already uses advancecomp, zopfli and kzip to compress zlib/deflate data. that file probably can't be compressed more using the default settings.
Being a zip file I don't think you need to reimport the files.

thanks so much :D don't need to reimport