Overview
The Trojan Kwampirs was discovered August 19^th 2016. Recently a new group, Orangeworm, has renewed this Malware and initiated targeted attacks against the healthcare sector and related industries.

This Trojan attempts to infiltrate residing computers using Windows network shares. The compromised computer then allows the attackers with remote access.

REF: https://www.symantec.com/blogs/threat-intelligence/orangeworm-targets-healthcare-us-europe-asia

Risk: Low
Canon Medical Systems has Cybersecurity protections in place that deem this a low risk (varies by product):

• Whitelisting Anti-Virus software prevents the execution of such malware
  
  
• Does not belong to a domain, therefore the attacker would have to know the IP address/host name of the system
  
  
• Attacker must know the user name and password of the targeted computer
  
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• Windows Firewall is enabled preventing network shares using Ports 445, 137, 138, 139