The plague of ransomware has spread to Android devices. There are numerous recent reports of malware infections on Android platforms that lock or encrypt personal files and demand payment before you can regain access to the files. Here is some help with this growing problem.
For systems that may already be infected, try a new free app that has just been released by Avast. It scans the system, removes any ransomware it finds, and decrypts affected files. It is called “avast! Ransomware Removal”. The description and download is here: https://play.google.com/store/apps/details?id=com.avast.android.malwareremoval. There is also a short video demonstrating what actually happens when ransomware infects your Android smartphone.
This new app is for one-time use in cleaning already infected systems. For prevention and more permanent protection against a wider variety of malware, Avast has a second free app called “Mobile Security & Antivirus” available here: https://play.google.com/store/apps/details?id=com.avast.android.mobilesecurity This app secures against unwanted phishing, malware, spyware, and malicious viruses such as Trojans. It is free but it does contains in-app purchase options.