Since 2018, a malicious Android campaign posing as reading and education. Apps has been attempting to hijack users’ accounts on Facebook.
According to a report by Zimperium, the operation has already infecte. around 300,000 devices across 71 different countries, mainly Vietnam.
It is called “Schoolyard Bully” and claimed to be distributing the trojan. They were available on Google Play in the past. But have now been delete from the platform. Despite this, Zimperium warned that the apps. Can still be find on Android app stores that are not affiliate with Google.
Schoolyard Bully Trojan-infected mobile educational apps. ©Zimperium zLabs
The primary objective is to steal login credentials for Facebook, such as the email address and password, username, account ID, device name, RAM, and API.
The malware executes its malicious code by opening a legitimate login page for Facebook within the app itself by using WebView. Then, it incorporates JavaScript, which can obtain anything the user enters into the input field. Additionally, to conceal its dangerous code from analysis tools and security applications, the malware uses native library functions.
As stated earlier, Zimperium claims they discovered the malware on 300,000 devices across 71 other countries. The campaign includes 37 mobile applications, all of which may be downloade from independent app shops. As a result of the fact that they are disseminate through these platforms, there may be a more significant number of victims than was previously believe. However, there needs to be a dependable method for determining the overall number of downloads.
Because the apps already installed on your phone will not be removed from the Play Store automatically, it is best to only download apps directly from the Google Play Store to protect yourself from these types of malicious software. You should also check to see if your apps have been update or are still available on the official store.
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