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April 13, 2021
In March, trojans and unwanted applications displaying ads were among the most active threats. Moreover, malware capable of downloading and executing arbitrary code was often found on Android devices.
A large number of the Android.Joker trojans subscribing victims to premium services, as well as another fraudulent apps from the Android.FakeApp malware family were among the threats uncovered on the Google Play app store.
Program modules incorporated into Android applications and designed to display obnoxious ads on Android devices. Depending on their family and modifications, they can display full screen ads and block other apps’ windows, show various notifications, create shortcuts and load websites.
Last month, Doctor Web specialists unveiled fraudulent apps from the Android.FakeApp family once again. New modifications of the Android.FakeApp.247 trojan, allegedly granting access to various bonuses and discounts provided by famous companies and retailers were among them. In this case, these bonuses were claimed to be from popular gas stations. To receive the “prize”, potential victims were asked to sign up for a paid subscription, starting from 429 rubles per week. In the end, users never received any discounts or bonuses, and the trojan only displayed a useless barcode.
Other fake apps were spread under the guise of various harmless applications, such as guides and reference software, apps allegedly helping users to verify peoples’ personality compatibility, and some other apps. In reality, these apps did not work as intended, and once launched, only loaded dubious websites. These trojans were added to the Dr.Web virus base as Android.FakeApp.244, Android.FakeApp.249, and Android.FakeApp.250.
Moreover, Doctor Web virus analysts have discovered several new modifications of the Android.Joker trojans throughout March. These trojans are used to spy on users and subscribe them to premium mobile services. They are also capable of downloading and executing arbitrary code. These multifunctional trojans were spread as a translation app, voice recording and editing software, live wallpapers, a launcher app, various image editing software, and a tool allowing control and tuning of Android devices. They were added to the Dr.Web virus base as Android.Joker.613, Android.Joker.614, Android.Joker.617, Android.Joker.618, Android.Joker.620, Android.Joker.622, Android.Joker.624, Android.Joker.630, and Android.Joker.632.
To protect your Android device from malware and unwanted programs, we recommend installing Dr.Web for Android.
Doctor Web is the Russian developer of Dr.Web anti-virus software. Dr.Web anti-virus software has been developed since 1992.
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