ByGB Blog Official 2016-11-12 10604
Ads (advertisements) are typically displayed while using your Android device. The developer receives an income from the ads publisher to cover development costs.
But applications that are offered for free are not always trustworthy and may contain malicious code. This either pushes annoying ads in every Android application, or compromises your privacy.
For that reason, a good precaution is regularly:
♦ Check your Android device for malicious software.
♦ Remove all unwanted or unrecognized apps.
♦ Clear the browser's history and cache (temporary files).
First of all, it's worth pointing out that it's unlikely that your Android phone or tablet has a virus.
What you're more likely to be seeing is an ad that wants to convince you that your Android device is infected and you "need" to download an app. Or you see a dodgy pop-up, or perhaps your device is just misbehaving. But viruses for Android do exist.
If you're sure your device has a virus or malware, read on to find out how to remove it.
To ensure you don't inadvertently install malware through the installation of apps outside of Google Play, open your Settings menu, look for the Security option, then ensure the option for Unknown Sources (allow installation of apps from unknown sources) is disabled.
If you're determined to install an app from outside Google Play, do your research. Check its permissions (does a video player really need to see your contacts?), look online for reviews and inspect the developer's site to see what else it offers.
You can also install a dedicated antivirus app. Plenty of free Android antivirus apps are available that are able to detect and remove malicious apps, for example:
These all include an app scanner that will seek out anything suspicious, but note that these apps can also trigger false-positives – basically reporting an app you've been using for months as malware when you know it's fine. In most cases you can simply ignore these alerts.
If you believe you already have a virus on your Android phone or tablet – perhaps one that is resisting your attempts to uninstall the associated app or even let you bypass the lock screen – a factory reset will remove it, returning your device to its out-of-the-box state. But doing so also means you'll lose everything on your phone that's not backed up.
Put your phone or tablet into Safe mode. This prevents any third-party apps running, including any malware.
On many devices you can press the power button to access the power off options, then press and hold Power off to bring up an option to restart in Safe mode. If this doesn't work for your device then you should Google "How to put [your model name] into Safe mode" and follow the instructions.
When in Safe mode you'll see "Safe mode" at the bottom left of the screen.
Open your Settings menu and choose Apps, then make sure you're viewing the Downloaded tab.
If you don't know the name of the virus you think has infected your Android phone or tablet, go through the list and look for:
♦ anything suspicious
♦ applications you know you haven't installed
♦ processes or apps that shouldn't be running on your device
Tap on the malicious app (clearly it won't be called 'Dodgy Android virus', this is just an illustration) to open the App info page, then click Uninstall.
|You may also want to read:|
|Android Masterclass | Easy steps to fix frozen or dead Android phones|
|7 sure-fire ways to speed up your Android smartphone|
|5 EASY ways to free up space on Android|
|Android / iOS Guide | 3 easy ways to save your mobile data|
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