A temporary methods for preventing Petya(ExPetr) viruses.txt

1, unzip the file, and then run the administrator as safe.bat;
2, Select Yes (y) in the Pop-up Registry Editor dialog box；
3, install the latest operating system patch (that is, manually update once, click My computer Press the right button--->Properties(R)--->
Then open Windows Update in the lower left corner of the dialog box--->check update ---> install update.