This indicates an attempt to connect to a malware sinkhole server.
Government agencies and researchers sometimes sinkhole malware DNS addresses to prevent connection to C&C servers. If a computer attempts to connect to a sinkhole server, it's most likely infected with malware.
Any unprotected system is vulnerable.
System Compromise: Remote attackers can gain control of vulnerable systems.
Please use Anti-Virus software to scan and clean the infected device.