A new ransomware-as-a-service (RaaS) group has emerged and has been making a name for itself in 2025. Anubis is a recently identified group that sets itself apart by partnering encryption with more destructive capabilities—wiping directories which severely impact chances of file recovery.
Given its brief history and use of a multi-layered extortion model, Anubis has all the markings of an evolving and flexible RaaS operation. Trend™ Research has observed specific command line operations for these destructive actions, including attempts to change system settings and wipe directories. This entry takes a closer look into these capabilities. Anubis joined the X (formerly Twitter) in December 2024. Around the same time, our team identified a sample called Sphinx, which appeared to be in development, evidenced by its ransom note that lacked both a TOR site and a unique ID.
Read more…
Source: Trend Micro
Sign up for our Newsletter
The latest news and insights delivered right to your inbox.
Related:
- Critical Microsoft Hyper-V bug could haunt orgs for a long time
July 28, 2021
Technical details are now available for a vulnerability that affects Hyper-V, Microsoft’s native hypervisor for creating virtual machines on Windows systems and in the Azure cloud computing environment. Currently tracked as CVE-2021-28476, the security issue has a critical severity score of 9.9 out of 10. Exploiting it on unpatched machines can have a devastating impact as ...
- DDoS attacks in Q2 2021
July 28, 2021
In terms of big news, Q2 2021 was relatively calm, but not completely eventless. For example, April saw the active distribution of a new DDoS botnet called Simps — the name under which it introduced itself to owners of infected devices. The malware creators promoted their brainchild on a specially set-up YouTube channel and Discord ...
- THOR: Previously Unseen PlugX Variant Deployed During Microsoft Exchange Server Attacks by PKPLUG Group
July 27, 2021
While monitoring the Microsoft Exchange Server attacks in March 2021, Unit 42 researchers identified a PlugX variant delivered as a post-exploitation remote access tool (RAT) to one of the compromised servers. The variant observed by Unit 42 is unique in that it contains a change to its core source code: the replacement of its trademark ...
- UC San Diego Health discloses data breach after phishing attack
July 27, 2021
UC San Diego Health, the academic health system of the University of California, San Diego, has disclosed a data breach after the compromise of some employees’ email accounts. UC San Diego Health is one of the nation’s best hospitals, being repeatedly ranked as the best health care system in San Diego, according to the 2021-2022 U.S. ...
- Threat Actors Exploit Misconfigured Apache Hadoop YARN
July 27, 2021
The misconfiguration and resulting exposure of cloud services is one of the most prevalent risks in the Linux threat landscape. We previously analyzed incidents related to this security concern, such as an exposed Docker API being abused by threat actors in the wild and exposed Redis instances that threat actors actively search. This blog post will ...
- LockBit ransomware now encrypts Windows domains using group policies
July 27, 2021
A new version of the LockBit 2.0 ransomware has been found that automates the encryption of a Windows domain using Active Directory group policies. The LockBit ransomware operation launched in September 2019 as a ransomware-as-a-service, where threat actors are recruited to breach networks and encrypt devices. In return, the recruited affiliates earn 70-80% of a ransom payment, ...