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How to Use Ophcrack on Windows 7 Password Reset

Ophcrack is a Windows password cracker based on a time-memory trade-off using rainbow tables. It could recover 99.9% of alphanumeric passwords in seconds, and is available for Windows 8/7/Vista/2008/2003/2000.

Now let’s try how Ophcrack reset password on Windows 7.

We could choose Ophcrack or Ophcrack LiveCD to reset Windows 7 password. Now we choose Ophcrack LiveCD, because it includes Ophcrack v 3.6.

Tips: If we choose Ophcrack, select the latest version Ophcrack v 3.6. If we choose Ophcrack LiveCD, select “ophcrack Vista LiveCD”.

1. Download Ophcrack LiveCD.

Search “Ophcrack” on Google and open the following page. Click “Download ophcrack Live CD” and choose “ophcrack Vista LiveCD” on next page and download it.

download ophcrack live cd for windows 7 password reset

2. Burn ISO image file to a CD/DVD

After downloading, you could find ophcrack Vista is an ISO file. Burn the Ophcrack ISO image file to a blank disc. Burning an ISO file is different from burning a normal file. It needs a tool, such as UltraISO, to burn ISO file into CD/DVD.

3. Boot Windows 7 computer from disc you have just burned.

After burning ophcrack into disc, boot from the disc by rebooting your computer with newly created CD/DVD in the drive. Linux will load, Ophcrack will start, and password recovery begins.

reset windows 7 password with ophcrack

Tips: If I burned the ISO file, but it does not boot Ophcrack when I reboot my machine. We have to verify there have been two directories stored on the CD: boot and tables.

4. Recover Windows user password.

Ophcrack will locate users on your Windows systems and begin cracking their password. The password recovery process is automatic. When the passwords are displayed on screen, write them down.

5. Remove Ophcrack disc and login Windows with newly password.

As the introduction at the beginning of this passage, the recovery success rate of Ophcrack has not reached 100%. If ophcrack cannot find Windows 7 password, how should do?

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