Question: Is it possible to somehow unpack a bundle? I need to make sure all packages within a bundle are signed correctly...

TIA

Answer: 
Dark.exe decompiles bundles; use `-x` to extract the bits.
insignia will extract the engine.

```
insignia -ib Install.exe  -o engine.exe

```

Then I use signtool to sign the engine then you have to put the engine back into the bundle...

```
insignia -ab engine.exe Install.exe -o Install.exe

```

I then sign the whole bundle