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North Korean APT37 Unleashes Novel Malware to Target Air

Gbhackers •Mayura Kathir • February 27, 2026

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APT37 Hackers Deploy Custom Malware Against Air-Gapped Systems North Korean threat group APT37 has initiated a campaign named Ruby Jumper, utilizing new custom malware to target air-gapped systems, which are typically isolated from the internet. This marks a significant advancement in their cyber capabilities, as air-gapped systems are considered highly secure. The operation aims to breach these systems, potentially impacting sensitive data and infrastructure. 10 sources 70

North Korean APT37 Unleashes Novel Malware to Target Air

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Extracted Entities

APT Groups (1)

Attack Types (1)