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Bl00dy Ransomware Gang actively targets the education sector exploiting PaperCut RCE

Security Affairs

CISA and FBI warned of attacks conducted by the Bl00dy Ransomware Gang against the education sector in the country. The FBI and CISA issued a joint advisory warning that the Bl00dy Ransomware group is actively targeting the education sector by exploiting the PaperCut remote-code execution vulnerability CVE-2023-27350.

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Rorschach ransomware has the fastest file-encrypting routine to date

Security Affairs

A new ransomware strain named Rorschach ransomware supports the fastest file-encrypting routine observed to date. The researchers conducted five separate encryption speed tests in a controlled environment (with 6 CPUs, 8192MB RAM, SSD, and 220000 files to be encrypted), limited to local drive encryption only.

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Researchers Quietly Cracked Zeppelin Ransomware Keys

Krebs on Security

He’d been on the job less than six months, and because of the way his predecessor architected things, the company’s data backups also were encrypted by Zeppelin. “We’ve found someone who can crack the encryption.” Then came the unlikely call from an FBI agent. “Don’t pay,” the agent said.

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Researchers found the first Linux variant of the RTM locker

Security Affairs

The encryptor uses a combination of ECDH on Curve25519 (asymmetric encryption) and Chacha20 (symmetric encryption) to encrypt files. The group operates a ransomware-as-a-service (RaaS) and provides its malicious code to a network of affiliates by imposing strict rules. ” reads the analysis published by Uptycs.

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Experts found the first LockBit encryptor that targets macOS systems

Security Affairs

The LockBit group is the first ransomware gang of all time that has created encryptors to target macOS systems, MalwareHunterTeam team warn. One of the encryptors developed by Lockbit, named ‘locker_Apple_M1_64’, can encrypt files of Mac systems running on the Apple silicon M1.

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City of Dallas shut down IT services after ransomware attack

Security Affairs

MILES/CBS NEWS TEXAS The Royal ransomware group is behind the attack and threatens to publish stolen data if the City will not meet its ransom demand. Unlike other ransomware operations, Royal doesn’t offer Ransomware-as-a-Service, it appears to be a private group without a network of affiliates. Source J.D. reads the alert.

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REvil Ransomware Gang Starts Auctioning Victim Data

Krebs on Security

The criminal group behind the REvil ransomware enterprise has begun auctioning off sensitive data stolen from companies hit by its malicious software. A partial screenshot from the REvil ransomware group’s Dark Web blog. and Europe in early March.”