[其他] 批处理创建只读文件预防比特币勒索病毒Petya

ShowCode

@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

提醒，请及时安装Windows补丁。
https://support.microsoft.com/en-us/help/4025686/microsoft-security-advisory-4025685-guidance-for-supported-platforms
https://support.microsoft.com/en-us/help/4025687/microsoft-security-advisory-4025685-guidance-for-older-platforms