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To remove this virus you need to install busybox, Terminal emulator, Root explorer pro and you must have Supersu

Once you have installed everything here is what to do in steps:
1) Turn off wifi/3G/4G Open settings> apps> all> disable time service and monkey test. (If already frozen via titanium backup or other app) skip this.
2) Open Root explorer go to system/xbin and see if there is any file starting with a dot (eg: .ext.base) also note that every (.) file has diff permission then the rest of other files. So just remember those files with dots because those are the one that you’re going to remove in terminal emulator.
3) Go back to system and then go to Priv-app folder and look for these two files
[1] cameraupdate.apk [2] providerCertificate.apk and notice permission of these files which are the base of MT TS virus and needs to be deleted.
4) Open Terminal Emulator OR if you have access to your device via adb from a computer.
5) WHAT TO TYPE IN TERMINAL EMULATOR or ADB (CMD Windows)
adb devices (Type this line if you’re using adb Windows)

adb shell
su
cd system/xbin
chattr -iaA .b
rm .b
chattr -iaA .ext.base
rm .ext.base
chattr -iaA .sys.apk
rm .sys.apk
cd ..
cd system/priv-app
chattr -iaA providerCertificate.apk
rm providerCertificate.apk
chattr -iaA cameraupdate.apk
rm cameraupdate.apk

6) Please see if your device xbin has more files with dots because these are three files I had so if there are more you need to remove them with the same command I mentioned above (e.g:cd system/xbin [Enter] chattr -iaA .New.file & then rm .New.file and make sure you type the file name correctly just as providerCertificate C is capital otherwise permission wont change.
7) Exit Emulator/ADB shutdown your device go to recovery clear cache and restart.
8) Go to settings> apps> all> send me the screenshot if you have Monkey test or Time Service there
9) I’m 100% sure if you’ve followed everything as I mentioned you are good as new and you don’t need to flash.