Android/Ransom.SLocker.fh is an Android ransomware variant that uses encryption to encrypt all a devices files and demand a ransom for the decryption key. The criminals are probably targeting users of Tencent’s QQ Instant Messenger, the company’s most popular platform. Users can protect themselves against the growing Android ransomware threat by being careful about what apps they install onto their devices. If an an app appears to be asking for more privileges than it would need to carry out its functionality, users should under no circumstances install it.”]
Source: https://grahamcluley.com/tencent-users-beware-theres-a-mobile-ransomware-coming-after-you/