Concrete signature match: Ransomware - Encrypts files and demands payment for 32-bit Windows platform, family WANNACRY
This is a concrete detection of a WannaCry ransomware variant. WannaCry is a highly destructive ransomware that encrypts user files and demands payment, often exhibiting worm-like capabilities to spread across networks.
No detailed analysis available from definition files.
Immediately isolate the infected system from the network. Allow Windows Defender to fully remove the threat. Restore encrypted files from clean, uninfected backups. Ensure all systems are patched, especially for SMB vulnerabilities, and antivirus definitions are up to date to prevent re-infection.