October 27, 2021

Avast releases free AtomSilo and LockFile ransomware decryptor based on weakness in AtomSilo ransomware

On Wednesday 27th of October 2021, Avast, a Czech cybersecurity software firm announced that they had released a free decryption tool for AtomSilo and LockFile ransomware victims based on a weakness in the AtomSilo ransomware that found by RE – CERT malware analyst Jiří Vinopal. The decryptor is valid for both kinds of ransomware strains as they are very similar […]
October 27, 2021

Avast releases free Babuk ransomware decryptor based on leaked source code

On Wednesday 27th of October 2021, Avast, a Czech cybersecurity software firm announced that they had released a free decryption tool for Babuk ransomware victims based on leaked source code and decryption keys. The decryptor is valid for victims who have had their files encrypted by the Babuk ransomware that used the following extensions: .babuk, .babyk, .doydo. The source code […]
October 26, 2021

FBI releases flash alert against Ranzy Locker ransomware

On Monday 25th of October 2021, the United States Federal Bureau of Investigation (FBI) announced that Ranzy Locker ransomware operators have compromised at least 30 US companies this year from various industry sectors. In a TLP: WHITE flash alert, the FBI states that the victims of the Ranzy Locker ransomware attacks included “the construction subsector of the critical manufacturing sector, […]
October 22, 2021

All extortion gangs called on to attack US interests by Groove ransomware gang

On Friday 22nd of October 2021, the Groove ransomware gang released a Russian blog post in Russian which calls for all other ransomware operations to target US interests. This blog comes about after REvil was taken down because of an international law enforcement operation that included support from the FBI. “I urge not to attack Chinese companies, because where do […]
October 22, 2021

A data breach investigated by GPDP after ransomware attack on SIAE

On Thursday 21st of October 2021, the Italian data protection authority Garante per la Protezione dei Dati Personali (GPDP) announced they were investigating a data breach of Società Italiana degli Autori ed Editori which is Italy’s copyright protection government agency. Currently the GPDP is stating that the investigation is looking at whether threat actors were able to steal the personal […]
October 21, 2021

Carbanak hacking group enters ransomware space by creating a fake cybersecurity company

On Thursday 21st of October 2021, researchers at Gemini Advisory released a blog detailing evidence that FIN7 (aka ‘Carbanak’) hacking group has set up a fake cybersecurity company known as Bastion Security which was being used to hire pentesters and system administrators to conduct pre-encryption stages of ransomware attacks. Researchers discovered Bastion Security website was made up of stolen and […]
October 19, 2021

Free BlackByte ransomware decryptor released after AES encryption key was reused

On Thursday 15th of October 2021, a free decryptor for the BlackByte ransomware and a SpiderLabs blog detailing the process of decrypting the ransomware was released to the public to allow past victims to recover their files for free. Researchers had found that the ransomware was downloading an image file called ‘forest.png’ from a remote malicious site under the control […]
October 18, 2021

Attacks on ten Israeli hospitals attributed to Chinese threat actors

On the 17th of October 2021, the Ministry of Health and the National Cyber Directorate in Israel released a joint announcement details a spike in ransomware attacks over the weekend of the 16th that has seen by targeting systems of nine health institutes in Israel. The Israeli government have stated that the attempts had resulted in no damage to the […]
October 17, 2021

REvil ransomware group’s Tor sites shut down after being hijacked

On the 17th of October 2021, the Tor sites of REvil ransomware gang went offline after an unknown person hijacked the Tor onion domains with the same private keys as REvil’s Tor sites and may have backups of the sites. One of the threat actors “0_neday”, affiliated with the REvil operation has confirmed that someone has hijack the ransomware gang’s […]
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