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This notification keeps popping up on my phone and I don't know if it's real or not, it reads:

"Battery has been infected by 6 serious problem! Install DU Battery and all problems will be wiped out."

Malware Notification

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    Look, man. Look at the popup's horrible grammar. Now think: can a battery, which is not programmable, be infected? The obvious answer is no. Close that popup without tapping the "Protect now" and flee posthaste.
    – Grimoire
    Apr 12, 2016 at 22:11
  • how do i get it to stop popping up??
    – Alex
    Apr 12, 2016 at 22:13
  • You probably installed some weird app, and that's most likely the culprit. Unless you wish to start uninstalling them one by one, I recommend you to give us a list.
    – Grimoire
    Apr 12, 2016 at 22:15
  • ilauncher, control center and inoty
    – Alex
    Apr 12, 2016 at 22:21
  • Uninsatll the app which has any relations with DU battery. What i mean is the which is having option to install DU Battery in inside settings.
    – Janki Gadhiya
    Apr 13, 2016 at 5:24

3 Answers 3

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It's a virus/maleware.

Sources that describe very similar situations:

http://forums.androidcentral.com/ask-question/658156-apus-du-battery-saver-virus.html

https://productforums.google.com/forum/#!topic/nexus/7XbiK-frhVA

It sounds like it's actually a really old scam (this may be a newer variant of it) Here's a story from 2011 that sounds like the same issue:

http://www.pcworld.com/article/241967/sleazy_ads_on_android_devices_push_bogus_battery_upgrade_warnings.html

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To give a view of why it is impossible for an app to diagnose much less than fix battery problems, a little background is in order

  • Battery houses a sensor/chip that is responsible for monitoring vital parameters like temperature, voltage, NFC etc. This information is conveyed to the OS through one of the pins that makes contact when the battery is in place (normally three pins, one being for this and other two for charging / discharging)

  • This information is conveyed to the battery driver portion of the ROM. These drivers cannot be modified permanently, even if your device is rooted, since these are initialised during boot up

Hence to identify state of the battery (other than the vital parameters) discussed above, you require a physical way of interacting with the battery. This should convince you that the claims made by the app are nonsense , aimed at attracting revenue

  • Android doesn't need anti virus - see Is an antivirus really needed for Android?. So that only leaves malware as the cause. Have a look at our tag for solutions to fix. This suggests factory reset can fix, in which case you are lucky or you may need to flash stock ROM again- in any case make a back up of your data
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This is very annoying situation.

First thing to try is remove all cache files of those apps which has internet connectivity. On net there are many sites, those try to inject some malicious codes. This is first step to identify.

If first is not helpful, try to check the background running apps. Any suspicious app that you think, force stop that. See if it helps. If you find out any app which is on play store, you must contact and report this to developer.

You may also try to check all downloaded apps. May be something there.

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