https://blog.faceutil.com/2017/04/12/recuva-%ed%95%9c%ea%b8%80-%eb%8b%a4%ec%9a%b4%eb%a1%9c%eb%93%9c-%eb%b0%8f-%ec%82%ac%ec%9a%a9%ec%84%a4%eb%aa%85%ec%84%9c-%e3%8e%9c/