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Weekly Intelligence Report – 14 Feb 2025

Cyfirma researchers discovered new ransomware variants called Core and BadIIS, targeting a range of industries globally. Core ransomware encrypts data, changes desktop wallpapers, and generates a ransom note. It targets mostly Windows systems and threatens permanent data loss if victims try to decrypt files without the attackers’ assistance. BadIIS, believed to be created by a Chinese-speaking group, targets IIS servers to influence web traffic by modifying HTTP response headers, showing users unauthorized and malicious content.

Source: www.cyfirma.com –

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