The World’s Fastest MD5 Cracker – BarsWF

Outsmart Malicious Hackers

BarsWF is basically an MD5 cracking tool and at the moment, is currently the fastest. Right now on nVidia 9600GT/C2D 3Ghz CUDA version does 350 M keys/sec, SSE2 version does 108 M keys/sec. You may check benchmarks of all known good MD5 bruteforcers here.

Changes in 0.8

  • Added checks for errors when calling CUDA kernel.
  • Now you can specify custom characters for charset using -X switch.
  • You may specify minimal password length using -min_len.
  • Save/restore feature added. State is being stored to every 5 minutes or on exit. You may continue computation using -r switch. You may manually edit .save file to distribute job on several computers (but this is up to you – it is quite simple and non-documented ). BarsWF will also write found password into at the end.
  • Improved speed for cards GTX260, GTX280, 8800GT, 9600GSO, 8800GS, 8800GTS – by approximately 10%, all other cards will get just 1-2%.

System Requirements

  • CUDA version only:nVidia GeForce 8xxx and up, at least 256mb of video memory.
  • LATEST nVidia-driver with CUDA support.Standard drivers might be a bit older (as CUDA 2.0 is still beta)
  • CPU with SSE2 support (P4, Core2Duo, Athlon64, Sempron64, Phenom).
  • Recommended 64-bit OS (WinXP 64 or Vista64). 32-bit version is also available.

Download BarsWF 0.8 here:

BarsWF CUDA x64
BarsWF CUDA x32

BarsWF SSE x64
BarsWF SSE x32

Or read more here. (Thanks Navin)

Posted in: Cryptography, Hacking Tools, Password Cracking

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7 Responses to The World’s Fastest MD5 Cracker – BarsWF

  1. Bruno Diniz December 5, 2008 at 12:40 pm #

    Dear Srs,

    Is there a BarsfWF with CUDA for Linux systems?

  2. Varun December 5, 2008 at 10:11 pm #

    Is the (read more) “here” link broken?

  3. Pantagruel December 6, 2008 at 8:41 am #


    The forum doesn’t mention it, register and drop them a line.

    You could try CygWin and alikes but that will at a huge speed penalty (dual boot would be a better option)

  4. Veeru December 8, 2008 at 6:04 am #

    Please tell it is live linux distro for cracking.

    If Yes, where to download the complete CD

  5. Michail December 11, 2008 at 10:08 pm #

    Hi, I’m the author of this thing.

    Linux distro is in development, it’s goal #2. (Goal #1 is AMD support).

  6. aldo villegas December 11, 2008 at 10:17 pm #

    Impressive I am happy, to continue, to continue…..

    Aldo vIlleGas m.

  7. Michail January 6, 2009 at 11:52 pm #

    AMD beta is out :-)