13 malicious Android apps that need to be removed immediately.

According to BGR , Google has removed these apps from Google Play, but they may still remain on users' phones, so experts warn users to uninstall them as soon as possible and keep an eye on their accounts.

Google has removed these apps from Google Play, but they may still remain on users' phones.

The list of virus-infected apps that have been removed from Google Play includes:

1. Essential Horoscope for Android (100,000 downloads).
2. 3D Skin Editor for PE Minecraft (100,000 downloads).
3. Logo Maker Pro (100,000 downloads).
4. Auto Click Repeater (10,000 downloads).
5. Count Easy Calorie Calculator (10,000 downloads).
6. Sound Volume Extender (5,000 downloads).
7. LetterLink (1,000 downloads).
8. N UMEROLOGY: PERSONAL HOROSCOPE & N UMBER P REDICTIONS (1,000 downloads).
9. Step Keeper: Easy Pedometer (500 downloads).
10. Track Your Sleep (500 downloads).
11. Sound Volume Booster (100 downloads).
12. Astrological Navigator: Daily Horoscope & Tarot (100 downloads).
13. Universal Calculator (100 downloads).

McAfee stated that Xamalicious is an Android backdoor built on the open-source Xamarin mobile application platform. Applications infected with Xamalicious use social engineering tactics to gain privileged access. At that point, the device begins communicating with a command and control (C&C) server without the device owner's knowledge.

Then, that server downloads a second payload to the phone. This payload can "take complete control of the device and is capable of performing fraudulent actions such as clicking on ads, installing apps, and other financially motivated actions without the user's consent."

According to McAfee, the use of the Xamarin framework allows malware authors to remain undetected for extended periods, exploiting the process of building APK files that act as a packager to hide malicious code. Additionally, malware authors employ various concealment techniques and custom encryption to filter data and communicate with C&C servers.

Once again, these apps are no longer available for download on Google Play. That's good news, but Google can't remotely remove them from users' phones if they've already downloaded them.

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