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 VMware ESXi virtual machines.
As of January 1, 2024, the ransomware group has impacted over 250 organizations and claimed approximately $42 million USD in ransomware proceeds. Early versions of the Akira ransomware variant were written in C++ and encrypted files with a .akira extension; however, beginning in August 2023, some Akira attacks began deploying Megazord, using Rust-based code which encrypts files with a .powerranges extension.
Read more…
Source: U.S. Federal Bureau of Investigation Cyber Division
Related:
- Ontario: City of Hamilton confirms ransomware is behind cyber attack
March 5, 2024
Ransomware is behind the cyber attack on the city of Hamilton, Ont., the municipality’s city manager says. Marnie Cluckie told reporters Monday afternoon that the attack, which was detected the evening of Sunday, Feb. 25, was the result of ransomware. She wouldn’t say what strain of the malware the city has been hit with, how long ...
- Hacker forum post claims UnitedHealth paid $22 mln ransom in bid to recover data
March 5, 2024
A post on a hacker forum popular with cybercriminals has claimed UnitedHealth Group opens new tab paid $22 million in a bid to recover access to data and systems encrypted by the “Blackcat” ransomware gang, according to two researchers. Neither UnitedHealth nor the hackers involved have commented on the alleged ransom payment, but a cryptocurrency tracing ...
- New Marsilia Ransomware Downloader Found
March 4, 2024
This week, the SonicWall Capture Labs threat research team analyzed a sample of Marsilia malware, also known as Mallox. This is a multi-stage sample that, when functional, will have a first stage that enumerates system information and creates persistence. The second stage is then downloaded and will perform data extraction and encryption for ransomware purposes. The ...
- LockBit cyberattack: Fulton County refuses to pay ransom as deadline passes
March 1, 2024
Fulton County leaders say they have not paid any ransom to the criminal group claiming responsibility for the cyberattack that affected several of the county’s agencies. The group LockBit had set a deadline of 8:49 a.m. on Thursday for Fulton County to pay the ransom or risk having stolen data leaked onto the dark web. This ...
- US prescription market hamstrung for 9 days (so far) by ransomware attack
March 1, 2024
Nine days after a Russian-speaking ransomware syndicate took down the biggest US health care payment processor, pharmacies, health care providers, and patients were still scrambling to fill prescriptions for medicines, many of which are lifesaving. On Thursday, UnitedHealth Group accused a notorious ransomware gang known both as AlphV and Black Cat of hacking its subsidiary, Optum. ...
- #StopRansomware: Phobos Ransomware
February 29, 2024
The Federal Bureau of Investigation (FBI), the Cybersecurity and Infrastructure Security Agency (CISA), and the Multi-State Information Sharing and Analysis Center (MS-ISAC) are releasing this joint CSA, to disseminate known TTPs and IOCs associated with the Phobos ransomware variants observed as recently as February 2024, according to open source reporting. Phobos is structured as a ransomware-as-a-service ...

