How to Crack windows vista logon password using usb-ophcrack

Security is being a major issue for windows operating system. In windows vista to improve its logon security its Logon password is encrypted using NTLM hashing algorithm  which is a one way hashing algorithm it means that the encrypted string can't be decrypted back to its original string. 
But still there is a way to crack windows vista logon password.  OPHCRACK  is a powerful windwos logon password recovery tool which can be downloaded from here.

HOW DOES IT WORK?
 Windows logon password is stored in sam file which is found in C:\Windows\System32\config but that password is in the encrypted format (using NTLM algorithm). This Sam file can not be modified or opened in windows environment. OPHCRACK is a live-cd with linux kernal which access the sam file and uses rainbow tables to crack the windows logon password.


using some hack we can use OPHCRACk with a usb drive

Step1:-  Download usboph.Zip
Step2:-  Extract this zip file in a folder and put ophcrack in that folder.

Step3:-  Execute fixoph.bat and follow the onscreen instruction.

Step4:- Now copy all  files to usb drive and execute makeboot.bat

NOTE:- DO NOT EXECUTE THIS FILE IN YOUR COMPUTER HARD DISK OTHERWISE IT WILL OVERWRITE MBR(MASTER BOOT RECORD)

 Step5:-  Now your usb drive is prepare for cacking any windows vista logon password.

YOU CAN ALSO CHECKOUT THIS YOUTUBE VIDEO POSTED BY ME.
http://www.youtube.com/watch?v=KSZYiA7Rz_A