Trigger the Windows Defender update and scan

command=r'"C:\Program Files\Windows Defender\MpCmdRun.exe" /SignatureUpdateAndQuickScan'

path=r'C:\Windows\Temp\MpCmdRun.txt'

import subprocess

import ctypes

import os

from subprocess import PIPE, Popen

class disable_file_system_redirection:

    _disable = ctypes.windll.kernel32.Wow64DisableWow64FsRedirection

    _revert = ctypes.windll.kernel32.Wow64RevertWow64FsRedirection

    def __enter__(self):

        self.old_value = ctypes.c_long()

        self.success = self._disable(ctypes.byref(self.old_value))

    def __exit__(self, type, value, traceback):

        if self.success:

            self._revert(self.old_value)

​

with disable_file_system_redirection():

    process=subprocess.Popen(command, shell = True, stdout = PIPE, stderr = PIPE)

result=process.communicate()

ret=process.returncode

if ret==0:

    if result[0]:

        print result[0].strip()

    else:

        print None

else:

    print '%s\n%s'%(str(ret), str(result[1]))

​

print "Update and scanning is successfully completed"

print '%s Please check here for the windows defender logs' %path

​