PNG-DROPPERPNG Dropper

The PNG_dropper family primarily uses a modified version of the publicly available tool JPEGView.exe (version 1.0.32.1 – both x86 and x64 bit versions). Carbon Black Threat Research also observed where PNG_dropper malware was seen compiled into a modified version of the 7-Zip File Manager Utility (version 9.36.0.0 – x64 bit).