Then, I started to scan using Symantec AntiVirus but it is not really help and cannot detect the virus. After that, I have decided to download AVG from internet and it manage to scan the virus as Win32/cryptor.
Once I managed to clean the virus, the system ask me to reboot and since that I cannot access my desktop and it just show the backgroud wallpaper.
Besides, I also tried to look into several forums about this : http://www.geekstogo...ue-t218236.html which have almost the same problem and try to excute some of the application as advice in the forum as below: