Extracting file from MSI package

[new_profile]

Originally Posted by sendersu

I"ve similar issue - with the same dll name!
you have to inspect carefully each dll in temp dir (with stange names like ~blabla.tmp,etc!
I recommend to search by contents for validate word
but do it when app is asking s/n, not after it was closed.
the dll definitely must be present in temp dir!
you could also use procmon to monitor when it'll be written there....
good luck

Hi,
you're right, the dll is unpacked in temporary folder but just when the serial check is made. I thought that by displaying the serial number dialog box is enough to find the required DLL but this is not the case.

Thank you all for your help.
By the way, the app is Wowza media server.

[sendersu]

Well, that dll is not the point you should pay your time for....
why? because it does not have the full s/n validator as the java classes have.....

it accepts even fake s/n, here is an example:
00000-99999-00000-00000-00000-0000z

again, the real s/n validator is hidden deep deep down in a highly obfuscated java code (yes, not names, but java code!)
you'll have a real fun reversing it, I guarantee it to you

if you are interestd, I could post the validation code for S/N from that tricky dll.....
half a screen page

[new_profile]

You're right. I've found that any expired key will be accepted with no problem.
I've played a little bit with the server.jar and FileChunk class and it seems that even the JD-GUI doesn't decompile it.
Back to java disassembly to see what to do with.

Thank you

Or just use msiexec command line like :

msiexec /a youMSIfile.msi TARGETDIR="Path:\\where\You\Want\The\File"

This will do an administrative install, you should then get the files with the all Folder tree from inside the msi