MHKR is highly stealthy, but advanced antivirus (like Kaspersky or Malwarebytes) may flag it as “potentially unwanted.” This is normal for monitoring tools.
At its core, FlexiSPY is a commercial monitoring tool designed for parental control and employee oversight. The "MHKR" variant typically highlights the software's ability to achieve "low-level system privileges" on a device. This level of access is necessary to enable its most powerful features, such as intercepting live calls and recording ambient surroundings, which are unavailable in standard app-store monitoring tools. Key Monitoring Features flexispy-mhkr