From December 2023 to the present, QiAnXin Threat Intelligence Center observed that a ransomware written in rust language is very active on the Chinese Internet, and a large number of machines in China have been ransomed, with up to more than 20 victimized units only in the terminals of government and enterprises, which the researchers call Rast ransomware.
After a long time of tracking, QiAnXin Threat Intelligence Center have captured three versions of Rast ransomware, and the versions are still iterating. rast ransomware has a very special logic: after the ransomware is completed, it will upload the machine name and unique identifier of the local machine to the remote mysql database. Through reverse analysis the research team got the mysql database account password and statistics of victims in the database, and found that in just ten months more than 6,800 terminals were controlled.
Read more…
Source: QiAnXin Threat Intelligence Center
Related:
- vSphere and BRICKSTORM Malware: A Defender’s Guide
April 2, 2026
Building on recent BRICKSTORM research from Google Threat Intelligence Group (GTIG), this post explores the evolving threats facing virtualized environments. These operations directly target the VMware vSphere ecosystem, specifically the vCenter Server Appliance (VCSA) and ESXi hypervisors. To help organizations stay ahead of these risks, we will focus on the essential hardening strategies and mitigating controls ...
- Sophisticated supply chain attack exploited TrueConf update process
April 2, 2026
Southeast Asian governments were recently targeted by a highly sophisticated supply chain attack as part of a wider cyber-espionage campaign, which experts believe is the work of the Chinese government. Security researchers Check Point detailed their findings on Operation TrueChaos, a campaign revolving around a zero-day vulnerability in TrueConf, a video conferencing and collaboration platform which ...
- Gigabyte warns users Control Center flaw could let hackers hijack your files
April 1, 2026
GIGABYTE Control Center, a Windows utility which comes preloaded with certain computers, carried a critical-severity vulnerability that allowed malicious actors to access files, run code, and trigger denial-of-service conditions on affected devices. The bug has now been addressed and users are advised to patch up without delay. GIGABYTE is a major hardware manufacturer known for, among ...
- WhatsApp on Windows users targeted in new campaign
April 1, 2026
Microsoft researchers found a campaign that abuses WhatsApp attachments to sneak a script onto Windows machines which will lead to the attacker gaining remote control. WhatsApp offers a desktop application for Windows and macOS, which users can synchronize with their mobile devices. Desktop versions of WhatsApp are generally used as extensions of mobile apps rather than ...
- UK manufacturers under cyber fire with 80% reporting attacks
April 1, 2026
Nearly 80 percent of British manufacturers say they’ve been hit by a cyber incident in the past year, as new research suggests disruption on the factory floor is no longer an exception but business as usual. According to security outfit ESET, 78 percent of UK manufacturers admit to suffering at least one cyber incident in the ...
- A laughing RAT: CrystalX combines spyware, stealer, and prankware features
April 1, 2026
In March 2026, Kaspersky researchers discovered an active campaign promoting previously unknown malware in private Telegram chats. The Trojan was offered as a MaaS (malware‑as‑a‑service) with three subscription tiers. It caught the researchers attention because of its extensive arsenal of capabilities. On the panel provided to third‑party actors, in addition to the standard features of RAT‑like malware, ...