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March 2, 2023
The number of user requests to decrypt files affected by encoder trojans increased by 5.01%, compared to the previous month. Most often victims were targeted by Trojan.Encoder.26996, Trojan.Encoder.3953, and Trojan.Encoder.35209 ransomware.
During January, Doctor Web’s virus laboratory tracked many new threats on Google Play. Among them were dozens of fraudulent apps and another trojan software that subscribed victims to paid services.
The most common threats of the month:
In January 2023, the number of requests to decrypt files damaged by encoder trojans increased by 5.01%, compared to December.
In January 2023, Doctor Web’s Internet analysts again observed an increase in the number of fraudulent websites—investment-related phishing sites in particular. Malicious actors offered potential victims the chance to improve their welfare by investing in various financial instruments. For example, they were invited to register an account for some services that were allegedly affiliated with large Russian companies. In reality, such web resources were fakes, and any user-provided personal information ended up in the scammers’ hands.
The screenshots above depict examples of fraudulent websites that try to look like the official services of large Russian companies. On such sites, potential victims can be asked to take part in a preliminary poll or immediately invited to register an ‘account” by filling out a special form with their personal data.
According to detection statistics collected by Dr.Web for Android, January 2023 again witnessed increased activity on the part of adware trojans. In addition, banking trojans and ransomware were also detected more often on protected devices. At the same time, Doctor Web’s virus laboratory uncovered dozens of new threats on Google Play. Among them were various fraudulent apps from the Android.FakeApp family and also the Android.Joker and Android.Harly trojans that subscribed victims to paid services.
The following January events involving mobile malware are the most noteworthy:
Find out more about malicious and unwanted programs for mobile devices in our special overview.