https://blog.faceutil.com/2017/03/31/recuva-%ed%8c%8c%ec%9d%bc-%eb%b3%b5%ea%b5%ac-%ed%95%98%ea%b8%b0-%ec%95%8c%ec%95%84%eb%b3%b4%ec%84%b8%ec%9a%a9-%ec%82%ac%ec%9a%a9%eb%b2%95-%ce%b4/