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I forgot my Veracrypt password, I have around 1000-2000 possible password combination and I need a software to bruteforce the password on Windows. What software would that be?

  • Problem is retry delay in the case of VC is very high. One try can take quite a few seconds, so it won't be a quick process. – Overmind Feb 5 at 7:29
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You don't mention how quickly you need this done.

If time is not a concern and you only have a limited pool of possible passwords, you could easily script the mount operation to try every possible password inline and look for a success message. No guarantees this works, but something like:

veracrypt /v your_volume_name_here.tc /l x /a /p MyP@$$w0rd! /e /b

Loop this and rotate the password on each attempt. Stop when the mount was successful, and for god's sake make sure you log the found password somewhere so you don't have to do it all over again (bitter experience).

I've done this successfully with a GELI-encrypted drive (twice); it took a few days to complete each time, but I also had a smaller pool of candidates to work with than you do.

  • Thanks a few days would be fine. Do I write this in the Windows command prompt? and do I have to write each password manually or can I use a txt file with all possible passwords to do it automatically and how? thanks again – user19 Feb 5 at 4:11
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I would redirect you to either hashcat or johntheripper (google). And whether bruteforcing in your situation is feasible or not depends purely on strength of your password.

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    This answer could use some serious fleshing out. – Adonalsium Feb 4 at 21:04
  • I'd reccomend looking at this page: veracrypt.fr/en/Encryption%20Algorithms.html and adjusting your answer in order to suggest how to extract data or part of the disk in order to check if OP has the correct password. Maybe if you dig deeper into the docs or source code you can find something about how OP can check a password against the data – dGRAMOP Feb 4 at 21:19

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