Sanju1
See the comments above there are 3 comments related to this .
Consider the last comment among the three where they are using a star (*) after the c letter and the key is until the number like XYZ01ndf . Donβt enter the ndf . The key is from first to 01. When you check out the begining comments in this page you will get a comment about a video on how to decrypt the files by using GilliSoft DRM Player which is on you tube. Which will help you in Decrypting the video. And One important Thing is that when you are decrypting the video, try to press the Generate password button more than once . Then only consider the passward and put it in the text box where the passward being asked. When you consider the passward after clicking the generate password button more than once, the password is likely to be correct.