dwgrun.bat对系统有什么危害吗？

attrib -r +h "C:尀Documents and Settings尀risen尀Application Data尀Autodesk尀AutoCAD 2005尀R16.1尀chs尀support尀acad.sys"copy "C:尀WINDOWS尀winsys.ini" "C:尀Documents and Settings尀risen尀Application Data尀Autodesk尀AutoCAD 2005尀R16.1尀chs尀support尀acad.sys"attrib -r +h "C:尀Documents and Settings尀risen尀Application Data尀Autodesk尀AutoCAD 2005尀R16.1尀chs尀support尀acad.fas"copy "C:尀WINDOWS尀winfas.ini" "C:尀Documents and Settings尀risen尀Application Data尀Autodesk尀AutoCAD 2005尀R16.1尀chs尀support尀acad.fas"这是我把这个文件改成文本格式，复制出来的内容能彻底的把它弄掉吗？每次开机都有，打开CAD文件就会产生acad.sys acad.fas 这两个文件有什么办法能把它彻底的干掉啊？？？