New FinSpy Malware Variant Infects Windows Systems With UEFI Bootkit

Commercially developed FinFisher surveillanceware has been upgraded to infect Windows devices using a UEFI (Unified Extensible Firmware Interface) bootkit using a trojanized Windows Boot Manager, marking a shift in infection vectors that allow it to elude discovery and analysis.
Detected in the wild since 2011, FinFisher (aka FinSpy or Wingbird) is a spyware toolset for Windows, macOS, and Linux