Nitrogen ransomware was derived from the previously leaked Conti 2 builder code and is similar to other Conti-based ransomware, but a coding mistake in its ESXi malware causes it to encrypt files with the wrong public key, irreversibly corrupting them. In practice, this means even the threat actor can’t decrypt affected files. If victims don’t have viable backups, they have no way to recover ESXi-encrypted servers. Paying a ransom won’t help in these cases, because any decryption key or tool the attacker provides won’t work.
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