A new ransomware strain, dubbed Gunra, has surfaced as a significant threat to Windows systems, with attacks detected as early as July 2025. This sophisticated malware, identified by security researchers at Palo Alto Networks’ Unit 42, targets both individual and enterprise Windows environments, encrypting critical files and demanding cryptocurrency ransoms. Unlike typical ransomware, Gunra employs advanced obfuscation techniques and targets system vulnerabilities, making it a formidable challenge for cybersecurity defenses. Organizations and users are urged to stay vigilant as this threat continues to evolve.

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