Ransomware-Linked ViperTunnel Malware Hits UK and US Businesses

April 14, 2026 • Source: NewsAPI.org

ViperTunnel, a Python-based backdoor linked to DragonForce ransomware, has been deployed against Windows servers in the UK and US, enabling remote code execution (RCE) via unauthorized access. Businesses using unpatched or misconfigured Windows servers are at risk of data exfiltration, encryption, or operational disruption. Immediate mitigation is required to prevent lateral movement and ransomware deployment.

ViperTunnel is a Python-based backdoor linked to DragonForce ransomware that targets businesses using Windows servers across the US and the UK.

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