This indicates that a system might be infected by Unnamed_1989 Ransomware.
Unnamed_1989 is a file-encrypting ransomware that demands a ransom payment via WeChat.
Any unprotected Windows system is vulnerable.
System Compromise: Remote attackers can gain control of vulnerable systems.
If required, the signature's action can be set to "Block".
Please use Anti-Virus software to scan and clean the infected computer.