From gbhackers.com
![UMX mobile](https://i1.wp.com/1.bp.blogspot.com/-AaPAIS0CCdM/XhwJbAdD1aI/AAAAAAAAG_4/uS2P3DHwnQsrtlgf2m2hyJYaPG2KJ0Y3gCLcBGAsYHQ/s1600/UMX.png?w=696&ssl=1)
Security researchers from Malwarebytes found pre-installed malware on UMX U683CL handsets. The phones are made under the Lifeline program to low-income consumers for Affordable Communications.
Multiple users reported to Malwarebytes that HiddenAds suddenly get installed on their UMX mobile phone, so the company purchased a UMX U683CL for further analysis.