![]() ![]() ![]() Symantec detects this ransomware as the banking roots, the ransomware is focused purely on extracting money from victims as a ransom - it is not capable of accessing banking details stored on a phone or tablet. The authors of this ransomware simply accessed and used the layout as any other legitimate app developer would. It should be noted that MaterialDrawer’s creators did not intend for their work to be used for malicious purposes. Code snippet of the lockscreen’s left-side app drawer The malware variant’s authors used a popular open-source project called MaterialDrawer to build part of the lockscreen’s ‘Material Design’-based UI.įigure 3. However we haven’t seen ransomware threats that make these logs more accessible to the victim through Material Design before. Other ransomware families have been observed gathering the logs of SMS activity, call records, and browser history in the past. Lockscreen’s menu includes browser history details, call log data, and a fraudulent legal notice This was made available to back up the attackers’ claims of the victim’s “illegal activity.”įigure 2. The options include the ransom notice, fraudulent legal information, and the gathered log data. The victim can slide the left-side app drawer on screen or select the menu icon to access a list of the lockscreen’s options. The following image shows how the ransomware’s lockscreen uses Material Design. The threat then includes the gathered log data as options in the lockscreen’s menu, which is supposed to act as “proof” of the user’s illegal behavior. The threat then locks the device from use, displaying a ransom notice on the lockscreen which claims that the user has accessed prohibited content and that their device logs are in law enforcement’s custody. Once the Trojan compromises a device and is executed for the first time, it collects all logs available at that point in time, including call records, SMS activity, and browser history. These elements help the ransomware intimidate the victim into making the payment. The malware also used this design language to display the personal data that it gathers through an easy-to-access menu. The authors of implemented Material Design to create a lockscreen with a cleaner, more professional-looking UI. Third-party developers can apply this style to their own apps using Google’s resources and open-source projects. ![]() The system uses grid-based layouts, responsive animations, depth effects, and spacing to provide a unified user experience across all of the company’s services. Material Design is a design language developed by Google and was first introduced in 2014. The ransomware is disguised as a legitimate video app and is made available on unofficial app stores.This hijacker then redirects the victim's search results to sites hosting the Android ransomware. The user downloads a free software package on their computer which includes a popular browser hijacker.Instead, a device can be compromised in one of two ways: The ransomware isn’t spreading through the Google Play store. This allows the threat to easily display fraudulent legal notices and gathered device logs to make the ransom notice seem more intimidating. A new variant of Android ransomware ( ) takes advantage of Google’s Material Design and an open-source project to create the lockscreen’s user interface (UI). ![]()
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