Close the Registry Editor, and then restart the computer. This requires the user of the computer to either deliberately install this application or be tricked into doing so. The attacker must know the IP address of the target computer. Although, the attacker can use the client application to perform a search through a range of IP addresses, this is not feasible if the attacker cannot narrow the range to a small subset because there are four billion possible IP addresses. A firewall between the target computer and the attacker makes it virtually impossible for the attacker to communicate with the target computer.
Most corporations have firewalls in place.
By following safe computing practices, such as not downloading or running applications from unknown sources, users can protect themselves from the potential threat.