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Old 08-01-2021, 20:09
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Razor12911 Razor12911 is offline
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Unreal Engine

Supported games
lzna compressed unreal engine 3 games
leviathan compressed unreal engine 3 games
Encrypted unreal engine 4 games

Methods available

m = method (1 = Mortal Kombat 11, 2 = Mass Effect Legendary Edition)
Place unreal.dll near xtool.exe and use -mue3:m1


k = key in hexadecimal.
Place unreal.dll near xtool.exe and use -mue4:kAAF9AF1F40225A1241C120533277804B09A56CE78CBF 100C131423788DB0E34F


The library is required both encoding and decoding.

This tool only decrypts like ue4dt but since xtool also does precompress data so if a game for example is zlib compressed and also encrypted. You can use -mzlib+ue4:kAAF9AF1F40225A1241C120533277804B09A56CE78CBF 100C131423788DB0E34F

The order of the method does not matter, you can write it as -mzlib+ue4:kAAF9A.. or mue4:kAAF9A...+zlib, it will still work.

The game will be decrypted and precompressed in one go but you have to use -d1 parameter

[External compressor:xtool]
header    = 0
packcmd   = xtool.exe precomp -mzlib+ue4:kAAF9AF1F40225A1241C120533277804B09A56CE78CBF100C131423788DB0E34F -c32mb -t100p -d1 --dbase - - <stdin> <stdout>
unpackcmd = xtool.exe decode -t100p - - <stdin> <stdout>
Attached Files
File Type: 7z unrealengine_R8.7z (248.8 KB, 116 views)

Last edited by Razor12911; 05-09-2022 at 10:26.
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