Unhappy Need Help!!! Spice Mi-492 Not Booting !!

Phone Not Booting !!!

Hi,
I have spice mi-492 in which no cwm recovery is available.. I found a Custom rom for it on forum.******************* [It' a fake site looking exactly like this one].. Since no cwm i tried to replace the system folder of cr with the root system folder with root explorer..after a while it gave an error message cannot copy... Then it automatically shut down.. I tried to start it but the phone stucks at the logo... Please Help!! I have its stock system folder backup.. Please Tell me how to restore it !!!