https://blog.faceutil.com/2017/04/13/recuva-%eb%a0%88%ec%bf%a0%eb%b0%94-%ed%95%9c%ea%b8%80-%eb%8b%a4%ec%9a%b4-%eb%b0%8f-%ec%82%ac%ec%9a%a9%eb%b2%95-%ec%95%8c%eb%a0%a4%eb%93%9c%eb%a6%bd%eb%8b%88%eb%8b%a4-%e3%8e%ac/