A type of malware nicknamed Joker has been infecting Android devices. In this episode we dig a little deeper into what this is and how it works.

Links:

https://stackoverflow.com/questions/7750448/what-are-dex-files-in-android#7750547

https://www.zscaler.com/blogs/security-research/joker-playing-hide-and-seek-google-play

https://blog.sucuri.net/2020/08/string-concatenation-obfuscation-techniques.html

https://www.anquanke.com/post/id/211978

https://www.zscaler.com/blogs/security-research/joker-playing-hide-and-seek-google-play

https://www.techrepublic.com/article/how-to-manage-app-permissions-in-android-11

https://arstechnica.com/information-technology/2020/09/joker-the-malware-that-signs-you-up-for-pricey-services-floods-android-markets/

https://www.zwilnik.com/android-malware-alert