In the last two years, the malware was found hiding in hundreds of apps.”Ĭolor Message was caught “making links to Russian servers” under the table, according to Pradeo. “By using as little code as possible and thoroughly hiding it, Joker generates a very discreet footprint that can be tricky to detect. “Joker is categorized as Fleeceware as its main activity is to simulate clicks and intercept SMS to subscribe to unwanted paid premium services unbeknownst to users,” said Pradeo. Retaining its ability to evade the Play Store’s security controls, the malware is notorious for stealing SMS messages and contacts data and discreetly signing up Android device users to multiple premium services, thereby draining their bank accounts. The malware reportedly piggybacked these applications to infiltrate tens of thousands of Android devices in August. The reappearance of Joker malware took place just months after the Google Play Store kicked out several innocent-looking apps, such as Fast Magic SMS, Free CamScanner, Travel Wallpapers, Element Scanner, and Auxiliary Message. Noting that the infected app ‘appears to be making connections to Russian servers,’ the firm warned users to immediately uninstall it from their devices to prevent data exfiltration and monetary loss. Security researchers at Pradeo Opens a new window recently discovered the Joker Malware hiding inside the Android app Color Message, which was downloaded over 500,000 times on Android devices. The notorious fleeceware is designed to quietly subscribe Android device users to premium online services, warn experts. The Joker malware, which first appeared in 2017, recently made its way back to the Google Play Store by hiding inside Color Message, a popular Android app that has enjoyed over 500,000 downloads.
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