New Windows info-stealing malware linked to active threat group tracked as AridViper shows signs that it might be used to infect computers running Linux and MacOS. PyMICROPSIA is a Python-based malware that specifically targets Windows systems using a Windows binary generated using PyInstaller. The number of victims they compromised exceeded 3,000 in 2015, according to the Global Research and Analysis Team (GReAT) at Kaspersky Lab. The group is also tracked as Desert Falcon and APT-C-23, a group of Arabic speaking cyberspies focusing on Middle Eastern targets.
Source: https://www.bleepingcomputer.com/news/security/new-windows-malware-may-soon-target-linux-macos-devices/