SIR , WINDOW 7 ... I AM ALSO VICTIM OF THE RANSOMWARE VIRUS EXTENSION NAMED ERIF. ...THEY ENCRYPT MY SMAALL DATA ... AND I SUDDENLY INSTALL NEW WINDOW ...AND THEN I SAW SOME FILE STILL SAFE ....AND SMALL FILE LIKE PDF .XLXS PIC..GOT ENCRYPTED ....THEN I USE EMISSOFT DECR... THEY SAY BE PATIENCE ..YOUR ARE OFFLINE AND MAY AVAILBLE IN FUTURE ... GUIDE ME