Spyware
ProSpy
According to Lookout, ProSpy is a feature-packed spyware developed in Kotlin Language.
ProSpy is a Android spyware operated by HAZY TIGER.
Background
Lookout describes ProSpy as a richly featured spyware written in Kotlin. It performs the usual spyware tasks, gathering private data and siphoning off sensitive files.
Source: Malpedia (Fraunhofer FKIE).