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Dark Reading
The threat actor is targeting organizations in Bulgaria, China, Vietnam, and various English-speaking nations.
The Hacker News
An unknown threat actor is using a variant of the Yashma ransomware to target various entities in English-speaking countries, Bulgaria, China, and Vietnam at least since June 4, 2023. Cisco Talos, in a new write-up, attributed the operation with moderate confidence to an adversary of likely Vietnamese origin. "The threat actor uses an uncommon technique to deliver the ransom note," security
Bleeping Computer
New Zealand-based cybersecurity firm Emsisoft has released a free decryption tool to help AstraLocker and Yashma ransomware victims recover their files without paying a ransom. [...]
ThreatPost
A slip-up by a malware author has allowed researchers to taxonomize three ransomware variations going by different names.
The Hacker News
Cybersecurity researchers have disclosed details of the latest version of the Chaos ransomware line, dubbed Yashma. "Though Chaos ransomware builder has only been in the wild for a year, Yashma claims to be the sixth version (v6.0) of this malware," BlackBerry research and intelligence team said in a report shared with The Hacker News. Chaos is a customizable ransomware builder that emerged in
Dark Reading
The Chaos ransomware-builder was known for creating destructor malware that overwrote files and made them unrecoverable -- but the new Yashma version finally generates binaries that can encrypt files of all sizes.