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Akira ransomware can be cracked with sixteen RTX 4090 GPUs in around ten hours
The freshest Akira variant uses old-timey encryption method vulnerable to brute-force methods
Akira is a ransomware attack aimed at high-profile targets, first discovered in 2023 and known for ludicrously high ransom requests (sometimes reaching tens of millions of dollars). These timestamps can be deduced to a tight range of on average 5 million nanoseconds (0.005 seconds), and then precisely found with brute-force, a process which requires the use of top-end GPUs such as Nvidia's RTX 3090 or 4090. Using a NFS (as opposed to files just living on the network's local disks) can also complicate decryption, as server lag will make it more difficult to determine the true timestamps used by the encryption.
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