The most common Android malicious apps will do at least one of the following:
- Collect and send GPS coordinates, contact lists, e-mail addresses etc. to third parties
- Send SMSs to premium-rate numbers
- Subscribe infected phones to premium services
- Record phone conversations and send them to attackers
- Take control over the infected phone
- Download other malware onto infected phones
- “Push notifications ads” delivering alerts to a phone’s notification bar – when the user swipes to pull down the notification bar from the top of the screen, an ad shows up under Notifications.
- “Icon ads” inserted onto a phone’s start screen – when the user touches the icon, it usually launches a search engine or a web service.
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STEP 1: Uninstall the malicious apps from Android
Android phone will get infected with viruses from a malicious app that is installed on the smartphones. In this first step, we will try to identify and uninstall any malicious app that might be installed on your Android phone.
- To uninstall the malicious app from your Android device, go to the Settings menu, then click on Apps or Application manager (this may differ depending on your device).
- This will bring up a list of installed apps, including the malicious app. If you cannot find the malicious app, we advise you to uninstall all the recently installed applications.
- Touch the app you’d like to uninstall.This won’t start the app, but will open up the program’s App Info screen. If the app is currently running press the Force stop button. Next we will clear the cache and data, and we will uninstall the unwanted app.
- First tap on the Clear cache button to remove the cache.
- Next, tap on the Clear data button to remove the app data from your Android phone.
- And finally tap on the Uninstall button to remove the malicious app.
- A confirmation dialog should be displayed for the malicious app, click on “OK” to remove the malicious app from your Android phone.
- Restart your Android device.
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STEP 2: Scan your device with Zemana Mobile Antivirus
In this step, we will scan your Android phone for malware with Zemana Mobile Antivirus application. Zemana Mobile Antivirus is a free anti-malware application which will help us detect if any malicious app or file is installed on your device.
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STEP 3: Clean-up the junk files from Android with Ccleaner
In this step we will clean the cache of your device with the Ccleaner application. CCleaner is a free app, which will help us clean up your device from junk files.
- You can download Ccleaner from the below link:
CCLEANER DOWNLOAD LINK (This link will open a new web page from where you can download Ccleaner) - Click on the “Install” button, and when the app permissions will be displayed click on “Accept” to install Ccleaner on your device.
- You can download Ccleaner from the below link:
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(OPTIONAL) STEP 4: Reset your router to the factory settings
In recent attacks, cyber criminals are infecting the router to redirect the Android devices to different websites. Resetting the router to the default settings will remove the malicious redirects, however you will need to reconfigure all the settings.
When you reset your router the following settings are changed:
- Router username and password
- Wi-Fi username and password
- ISP username and password
- Any port-forwards you have set up
- Any firewall settings you have made
- Basically, any configuration changes that you have made to your router.