#StopRansomware: Akira Ransomware summary

Since March 2023, Akira ransomware has impacted a wide range of businesses and critical infrastructure entities in North America, Europe, and Australia. In April 2023, following an initial focus on Windows systems, Akira threat actors deployed a Linux variant targeting Read More …

Russian businesses targeted by novel ransomware gang

Attacks with a Conti ransomware code-based backdoor have been deployed by the new Muliaka ransomware operation against businesses across Russia since at least December, according to The Record, a news site by cybersecurity firm Recorded Future. Windows systems and VMware Read More …

Agenda Ransomware Propagates to vCenters and ESXi via Custom PowerShell Script

Since its discovery in 2022, the Agenda Ransomware group (also known as Qilin) has been active and in development. Agenda, which Trend Micro tracks as Water Galura, continues infecting victims globally with the US, Argentina, and Australia, and Thailand being Read More …

Patch now! VMWare escape flaws are so serious even end-of-life software gets a fix

VMWare has issued secuity fixes for its VMware ESXi, Workstation, Fusion, and Cloud Foundation products. It has even taken the unusual step of issuing updates for versions of the affected software that have reached thier end-of-life, meaning they would normally Read More …

VMware ESXi Zero-Day Used by Chinese Espionage Actor to Perform Privileged Guest Operations on Compromised Hypervisors

As Endpoint Detection and Response (EDR) solutions improve malware detection efficacy on Windows and Linux systems, certain state-sponsored threat actors have shifted to developing and deploying malware on systems that do not generally support EDR such as network appliances, SAN arrays, Read More …

Babuk code used by 9 ransomware gangs to encrypt VMWare ESXi servers

An increasing number of ransomware operations are adopting the leaked Babuk ransomware source code to create Linux encryptors targeting VMware ESXi servers. SentinelLabs security researchers observed this rising trend after spotting a rapid succession of nine Babuk-based ransomware variants that Read More …

Linux version of RTM Locker ransomware targets VMware ESXi servers

RTM Locker is the latest enterprise-targeting ransomware operation found to be deploying a Linux encryptor that targets virtual machines on VMware ESXi servers. The RTM (Read The Manual) cybercrime gang has been active in financial fraud since at least 2015, Read More …

Royal Ransomware expands attacks by targeting Linux ESXi servers

Ransomware actors have been observed to expand their targets by increasingly developing Linux-based versions. Trend Micro predicted in September 2022 that ransomware groups will would increasingly target Linux servers and embedded systems in the coming years after detecting a double-digit Read More …

New ESXiArgs ransomware version prevents VMware ESXi recovery

New ESXiArgs ransomware attacks are now encrypting more extensive amounts of data, making it much harder, if not impossible, to recover encrypted VMware ESXi virtual machines. Last Friday, a massive and widespread automated ransomware attack encrypted over 3,000 Internet-exposed VMware Read More …

CISA and FBI Release ESXiArgs Ransomware Recovery Guidance

Today, CISA and the Federal Bureau of Investigation (FBI) released a joint Cybersecurity Advisory, ESXiArgs Ransomware Virtual Machine Recovery Guidance. This advisory describes the ongoing ransomware campaign known as “ESXiArgs.” Malicious cyber actors may be exploiting known vulnerabilities in unpatched Read More …