Locking the phone or the screen in a way that users can’t use any of the functionalities until they pay the ransom.Encrypting data and demanding extortion money in exchange for access to the affected data.Then attackers blackmail the victims for extortion money in exchange for access to their devices or data.Ī mobile ransomware attack may involve any or all of the following tactics: It steals or encrypts data on users’ devices, or blocks the users from accessing their phones by freezing the device screens.
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Hackers install malware variants (viruses, trojan horses, rootkits, worms) inside victims’ Android phones.
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“It strongly leverages on the opportunity arises in recent years, as mobile devices became for most people the central storage for personal and business data.Download: Certificate Management Checklist Essential 14 Point Free PDF What Is Android Ransomware?Īndroid ransomware is a variant of malicious software (malware) that targets mobile devices running on Android operating systems.Īndroid ransomware attacks are like kidnapping. “The ransomware feature is quite interesting as it’s still not a common one in the Android banking trojans landscape,” Cleafy wrote. More specifically, SOVA v5 lacks the VNC module, but it instead features ransomware capabilities. The v5 of the malware shows a further refactoring of the code, the addition of new features and some small changes in the communications between the malware and the command-and-control (C2) server. In the same advisory, Cleafy also claimed to have spotted some instance of yet another variant of SOVA. Further, the updated malware can now protect itself by intercepting actions aimed at uninstalling its app.
In SOVA v4, the cookie stealer mechanism was further refactored and improved to specify a a comprehensive list of targeted Google services, alongside a list of other applications. “This feature has been in the SOVA roadmap since September 2021 and that is one strong evidence that threat actors are constantly updating the malware with new features and capabilities.”Īdditionally, the malware’s latest version can also obtain screenshots from the infected devices, record and perform gestures and manage multiple commands. “The most interesting part is related to the capability,” Cleafy wrote. SOVA v4 features new capabilities and is reportedly targeting more than 200 mobile applications (against the original 90 in 2021), including banking apps and crypto exchanges/wallets such as Binance. Then, in July 2022, Cleafy spotted a new version of SOVA (v4), which the security firm is now detailing in its latest advisory. These included two-factor authentication (2FA) interception, cookie stealing and injections for new targets and countries (e.g. In the following months, Cleafy spotted various versions of SOVA, some of which implemented certain features mentioned in the malware’s 2021 development roadmap.
The document explains how SOVA was first spotted in September 2021, when its developers posted a roadmap of future updates on the dark web saying the malware was entering the market, despite still being under testing. The news comes from Cleafy’s security researchers, who shared the findings in an advisory on Thursday.
The Android banking Trojan SOVA has been spotted in the wild again and appears to have new features.
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