Yes this is real. It is working. 
Just follow this instructions. for cracking

CRACKING
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1st all credits goes to our dear friend 3dc3dv for unpacking the protection from you know who!

all i did was following his instructions...

1. run vray_adv_32002_max2016_x64.exe
2. on the 2nd screen go to Customize and Turn OFF Install Wibu Keys Drivers!!
3. copy from crk dir everything to 3ds max2016 root and overwrite everyting
4. also copy cgauth.dll to c:\Program Files\Chaos Group\V-Ray\RT for 3ds Max 2016 for x64\bin\ so you can use the RT
5. have fun

P.S.

Files are not protected with any kind of packer so you should not have any kind of warnings from Antivirus.
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Special NOTES using on 3dsmax 2016 old version project scenes.

1- 3ds Max 2016 has new Physical Camera. You should this for Vray Physcial Camera. This version Vray hasn't Vray Pyhysical Camera

2- You have re-assign VrayHDRI map and re-load .HDR, .EXR erc bitmap texture file for Dome Light. If you haven't to doing this, you can render only black screen. Re build dome light and re-assign VrayHDRI Map on texture (vray dome light)

Before Installing 

Complete uninstall old version. Sometimes it has un-installing problem. You have delete manually files after uninstalling. (Program files/Chaos Group folder and in 3ds Max folder (cgauth.dll vray20xx.dll etc) and program files/3ds max 2016/plugins/vrayplugins folder.

If you haven't do this. Vray can't install new version.	