Monkey test,Time service, Security plugin android virus fix by CMD

Monkey test,Time service, Security plugin android virus fix by CMD adb mode

adb devices (Type this line if you're using adb Windows)
adb shell
su
mount -o remount,rw /system
cd system/priv-app
chattr -iaA providerCertificate.apk
rm providerCertificate.apk
chattr -aA cameraupdate.apk
rm cameraupdate.apk
cd ..
cd system/xbin
chattr -iaA .b
rm .b
chattr -iaA .ext.base
rm .ext.base
chattr -iaA .sys.apk
rm .sys.apk
[NOTE: If you are using older version than KK you need not to type priv-app just type cd system/app]

Source by : googling