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March 17, 2025

Decrypting Encrypted files from Akira Ransomware (Linux/ESXI variant 2024) using a bunch of GPUs

I recently helped a company recover their data from the Akira ransomware without paying the ransom. I’m sharing how I did it, along with the full source code.

The code is here: https://github.com/yohanes/akira-bruteforce

To clarify, multiple ransomware variants have been named Akira over the years, and several versions are currently circulating. The variant I encountered has been active from late 2023 to the present (the company was breached this year).

Akira ransomware can be cracked with sixteen RTX 4090 GPUs in around ten hours — new counterattack breaks encryption | Tom's Hardware

Tinyhack publishes a full how-to guide on brute-forcing past the Akira ransomware's encryption attack and freeing captive files.

Inside BRUTED: Black Basta (RaaS) Members Used Automated Brute Forcing Framework to Target Edge Network Devices

On February 11, 2025, a Russian speaking actor using the Telegram handle @ExploitWhispers [1], leaked internal chat logs of Black Basta Ransomware-as-a-Service (RaaS) members [2]. These communications, spanning from September 2023 to September 2024, provide an insider look on the group's operational tactics.

Les filiales Spar et les magasins TopCC ont été victimes d’une cyberattaque

L’entreprise annonce s’efforcer de rétablir le plus rapidement possible son activité, après une attaque survenue dans la nuit de jeudi à vendredi. Une plainte a été déposée

Apple Drops Another WebKit Zero-Day Bug

For the third time in as many months, Apple has released an emergency patch to fix an already exploited zero-day vulnerability impacting a wide range of its products.

The new vulnerability, identified as CVE-2025-24201, exists in Apple's WebKit open source browser engine for rendering Web pages in Safari and other apps across macOS, iOS, and iPadOS. WebKit is a frequent target for attackers because of how deeply integrated it is with Apple's ecosystem.