Backdoor.Win32.CowerSnail is a fully-featured windows backdoor that allows its creators to remotely execute any commands on infected systems. The same group of hackers is now targeting Windows machines with a new backdoor, which is a QT-based re-compiled version of the same malware used to target Linux. The CowerSnails backdoor uses the same command and control server as the malware that was used to mine cryptocurrency last month by exploiting the then-recently exposed SambaCry vulnerability.
Source: https://thehackernews.com/2017/07/cowersnail-windows-backdoor.html