Unpacking problem

Hi, I'm trying to unpack one root but I get always get an error . The extension of the file is altered in the original file , so I changed the extension to .eix and .epk but that didn't worked. I used to unpack EterNexus and MasterEPack +5. I read later that the key to decrypt is in the bin , so I followed a guide but still fails, I don't know which is the key , I assumed that it's 32 spaces width because both the original EterNexus as taking the .bin have that long.

This is the root:

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I compressed the bin and exe that updates before execute, if it helps.
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The guide I followed was:

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Thanks!!

Use EterNexus Unpacker it's easy to use it.

I used it but it fails

I already know the keys by avceter mode. But the eter manager said that index key is wrong. Is there another way to know the index key? Thanks!
By the way, the key i extract was:
B8 0A 6B 00 00 C5 33 DA 42 AD F9 23 4A DF 94 58
23 5A DF 09 12 34 AF AF D9 8A FD AA DF 96 23 53

please watch on the end of the roots. The endings are ANG and ANL. So the root is encoded and you can't unpack them.

Sorry for my bad English.

There has to be a way to decrypt it. Who can help me? I can donate in PayPal