From Cyber Threat to Data Shield: Constructing Provably Secure File Erasure with Repurposed Ransomware Cryptography

Ransomware has emerged as a persistent cybersecurity threat,leveraging robust encryption schemes that often remain unbroken even after public disclosure of source code. Motivated by the technical resilience of such mechanisms, this paper presents SEER Secure and Efficient Encryption-based Erasure...

How to recover files encrypted by Yanluowang

Yanluowang is a type of targeted ransomware discovered by the Symantec Threat Hunter team as they were investigating an incident on a large corporate network. Kaspersky experts have found a vulnerability in the Yanluowang encryption algorithm and created a free decryptor to help victims of this...