Chinas leading TV station, CCTV, has a long-standing tradition of marking World Consumer Rights Day on March 15 with its 315 Evening Party The program reported on cases where smartphone distribution channels pre-install malware into Android mobiles before selling them on to unwitting customers. The malware called DataService is called TrojanAndroidOS.Uupay.a. It isnt a standalone program but works in conjunction with ordinary Android apps, meaning that most users know nothing about this until they are hit with an inflated phone bill.”]
Source: https://securelist.com/caution-malware-pre-installed/59356/