[其他] 批处理创建只读文件预防比特币勒索病毒Petya

@echo off
set file1=%systemroot%\perfc
set file2=%systemroot%\perfc.dll
set file3=%systemroot%\perfc.dat
if not exist %file1% (
    type nul > %file1%
) else (
    attrib +R %file1%
)
if not exist %file2% ( 
    type nul > %file2%
) else (
    attrib +R %file2%
)
if not exist %file3% (
    type nul > %file3%
) else (
    attrib +R %file3%
)
复制代码