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PostPosted: Mon Jan 22, 2018 8:53 am 

Joined: Mon Jan 22, 2018 7:29 am
Posts: 2
Hi, I'm having a problem viewing Fortnite's game files in umodel.
Are the latest updates from epic games preventing compatibility?

ERROR: Wrong tag in package: 00000000
FPackageFileSummary<<:Ver=0/0 <- UnPackage::UnPackage:MaleSurvivorAnimBlueprint.uasset, ver=100000/0, game=0 <- UnPackage::LoadPackage:MaleSurvivorAnimBlueprint.uasset <- Main:umodel_version=647

How to unpack .PAK files from Fortnite
Aluigi's QuickBMS: http://aluigi.altervista.org/papers/quickbms.zip
Script: http://aluigi.org/bms/unreal_tournament_4.bms
@mbit555 Encryption Key: y298qjSb115NqQ3Agad30DWn2QYrTI8CT6aP05l2PBV9Qe92S94PdoVCCy06A38L

Instructions:
1) Install QuickBMS
2) Run the script
3) Type key.


Attachments:
umodel.PNG [47.15 KiB]
Not downloaded yet
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PostPosted: Wed Jan 24, 2018 3:23 am 

Joined: Mon Jan 08, 2018 1:50 pm
Posts: 12
same, i extracted pakchunk0-WindowsClient.pak(4gb) using unreal_tournament_4.bms with @mbit555 encrypt key and the output file size is 31.4 mb. i'm guessing its because of the encryption key?

edit:
the new umodel successfully extracted fortnite's paks, try to use that http://www.gildor.org/down/42/umodel/umodel_win32.zip


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PostPosted: Wed Jan 31, 2018 1:00 pm 

Joined: Wed Nov 15, 2017 1:30 am
Posts: 8
Lastest version of umodel can view textures and static meshes, but skeleton meshes come up with the crash due to constant development updates to the games engine, Gildor won't be updating umodel every time it breaks..

if you want to access the skeleton meshes, you will need to get access to older versions of the game (which I have).


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PostPosted: Sat Feb 03, 2018 3:03 am 

Joined: Wed Nov 15, 2017 1:30 am
Posts: 8
New update has changed aes key, one above no longer works.


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PostPosted: Thu Feb 08, 2018 11:07 am 

Joined: Thu Feb 08, 2018 11:06 am
Posts: 2
So, is there a way to unpack the Pak-Files atm?


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PostPosted: Thu Feb 08, 2018 12:14 pm 

Joined: Wed Nov 15, 2017 1:30 am
Posts: 8
Not until someone finds the new aes key.


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PostPosted: Thu Feb 08, 2018 1:52 pm 

Joined: Thu Feb 08, 2018 11:06 am
Posts: 2
couldn't it extract out of the RAM when fortnite ist starting?


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PostPosted: Fri Feb 09, 2018 2:53 pm 

Joined: Wed Nov 15, 2017 1:30 am
Posts: 8
Quote:
They added the ability to use binary keys. The only limitation is that the entire key can't be 0. I hacked together something to allow UModel to use them:

https://github.com/horsenit/UModel

It's pretty poor, I didn't send a pull request as the GUI key form will not work with them. If you start at the command line with -aeshex=key it will work.

Current key for fornite is 2c-cd-fd-22-ad-74-fb-fe-e6-93-a8-1a-c1-1a-ce-57-e6-d1-0d-0b-8a-c5-fa-90-e7-93-a1-30-bc-54-0e-d4

The implementation above ignores non-hex chars, so hyphens aren't necessary.


Key for Fortnite, but must use the horseit umodel fork to be able to open it, due to aeshex key difference in the programs...


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