Kraken Ransomware Targets Multiple Systems with Advanced Encryption Techniques

Kraken Ransomware Targets Multiple Systems with Advanced Encryption Techniques

First seen 14 Nov 2025, 11:11 UTC •Blog.TalosintelligenceBleepingcomputer •80% similarity •32.9

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The Kraken ransomware, which targets Windows and Linux/VMware ESXi systems, emerged in February 2025 as a continuation of the HelloKitty operation. It employs a double extortion technique, testing systems to optimize data encryption speed while threatening victims with data leaks if ransoms are not paid. Victims are located globally, including in the US, UK, Canada, and several other countries.

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