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Double-Encrypting Ransomware

Schneier on Security

In the first, hackers encrypt data with ransomware A and then re-encrypt that data with ransomware B. The other path involves what Emsisoft calls a “side-by-side encryption” attack, in which attacks encrypt some of an organization’s systems with ransomware A and others with ransomware B.

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Codefinger ransomware gang uses compromised AWS keys to encrypt S3 bucket

Security Affairs

The ransomware group Codefinger is using compromised AWS keys to encrypt S3 bucket data using SSE-C, Halcyon researchers warn. The ransomware group Codefinger has been spotted using compromised AWS keys to encrypt data in S3 buckets. AWS processes the key during the encryption operation but does not store it.

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Bitdefender released a decryptor for the ShrinkLocker ransomware

Security Affairs

Bitdefender released a decryptor for the ShrinkLocker ransomware, which modifies BitLocker configurations to encrypt a system’s drives. ShrinkLocker ransomware was first discovered in May 2024 by researchers from Kaspersky. Then, it re-encrypts the system using a randomly generated password.

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Akira ransomware gang used an unsecured webcam to bypass EDR

Security Affairs

The Akira ransomware gang exploited an unsecured webcam to bypass EDR and launch encryption attacks on a victim’s network. Cybersecurity researchers at S-RM team discovered a novel attack technique used by the Akira ransomware gang. Akira successfully encrypted files across the network.

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Details of the REvil Ransomware Attack

Schneier on Security

ArsTechnica has a good story on the REvil ransomware attack of last weekend, with technical details: This weekend’s attack was carried out with almost surgical precision. The ransomware dropper Agent.exe is signed with a Windows-trusted certificate that uses the registrant name “PB03 TRANSPORT LTD.”

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SECURITY AFFAIRS MALWARE NEWSLETTER – ROUND 16

Security Affairs

Security Affairs Malware newsletter includes a collection of the best articles and research on malware in the international landscape. Security Affairs Malware newsletter includes a collection of the best articles and research on malware in the international landscape.

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ChatGPT-Written Malware

Schneier on Security

I don’t know how much of a thing this will end up being, but we are seeing ChatGPT-written malware in the wild. ” The Python code combined various cryptographic functions, including code signing, encryption, and decryption. .”

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