The Threat CodexApr 27
Kyber ransomware is not just post-quantum name-dropping
#KyberRansomware
https://www.derp.ca/research/kyber-ransomware-hybrid-crypto/
Kyber ransomware is not just post-quantum name-dropping

A Rust Kyber ransomware sample uses AES-256-CTR style file encryption, Kyber1024-sized material, active X25519 arithmetic, and a fixed 0x744 trailer.

Derp
Analyst207Apr 22

Kyber Ransomware Targets Windows, VMware with Post-Quantum Encryption

Meet the Kyber Ransomware, a potent threat that targets both Windows and VMware environments with cutting-edge, post-quantum encryption. This sophisticated malware has been found to strike multiple systems at once, as seen in a March 2026 incident where two variants were deployed on the same network.

https://osintsights.com/kyber-ransomware-targets-windows-vmware-with-post-quantum-encryption?utm_source=mastodon&utm_medium=social

#KyberRansomware #RansomwareOperations #Vmware #Esxi #PostquantumEncryption

Kyber Ransomware Targets Windows, VMware with Post-Quantum Encryption

Learn how Kyber ransomware uses post-quantum encryption to target Windows and VMware, and take steps to protect your organization from this threat now.

OSINTSights
The Threat CodexApr 21
Kyber Ransomware Double Trouble: Windows and ESXi Attacks Explained
#KyberRansomware
https://www.rapid7.com/blog/post/tr-kyber-ransomware-double-trouble-windows-esxi-attacks-explained/
Kyber Ransomware Double Trouble: Windows and ESXi Attacks Explained

Organizations should treat Kyber not merely as another ransomware strain, but as a specialized tool capable of causing a complete operational blackout. Public technical analysis of Kyber malware remains limited, presenting an opportunity to share Rapid7's findings with the community.

Rapid7