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:
- Denmark blames Russia for cyberattacks on water utility and local government websites
December 18, 2025
The Danish government has accused Russia of being behind two “destructive and disruptive” cyber-attacks in what it describes as “very clear evidence” of a hybrid war. The Danish Defence Intelligence Service (DDIS) announced on Thursday that Moscow was behind a cyber-attack on a Danish water utility in 2024 and a series of distributed denial-of-service (DDoS) attacks ...
- Critical vulnerabilities in Fortinet CVE-2025-59718, CVE-2025-59719 exploited in the wild
December 18, 2025
A recently disclosed pair of vulnerabilities affecting Fortinet devices—CVE-2025-59718 and CVE-2025-59719—are drawing urgent attention after confirmation of their active exploitation in the wild. The vulnerabilities carry a critical CVSSv3 score and allow an unauthenticated remote attacker to bypass authentication using a crafted SAML message, ultimately gaining administrative access to the device. Current information indicates that the ...
- From Linear to Complex: An Upgrade in RansomHouse Encryption
December 17, 2025
RansomHouse is a ransomware-as-a-service (RaaS) operation run by a group that we track as Jolly Scorpius. Recent samples of the associated binaries used in RansomHouse operations reveal a significant upgrade in encryption. This article explores the upgrade of RansomHouse encryption and the potential impact for defenders. Jolly Scorpius uses a double extortion strategy. This strategy combines ...
- Operation ForumTroll continues: Russian political scientists targeted using plagiarism reports
December 17, 2025
In March 2025, we discovered Operation ForumTroll, a series of sophisticated cyberattacks exploiting the CVE-2025-2783 vulnerability in Google Chrome. Kaspersky researchers previously detailed the malicious implants used in the operation: the LeetAgent backdoor and the complex spyware Dante, developed by Memento Labs (formerly Hacking Team). However, the attackers behind this operation didn’t stop at their ...
- Hacking group says it’s extorting Pornhub after stealing users’ viewing data
December 16, 2025
The hacking group Scattered Lapsus$ Hunters, which includes members of a gang known as ShinyHunters, said it is attempting to extort porn site Pornhub, after claiming to have stolen personal information belonging to the website’s premium members. On Friday, Pornhub confirmed it was among several companies affected by an earlier breach at the widely used web ...
- God Mode On: How Kaspersky attacked a vehicle’s head unit modem
December 16, 2025
Kaspersky researchers conducted a security assessment of a modern System-on-Chip (SoC), Unisoc UIS7862A, which features an integrated 2G/3G/4G modem. This SoC can be found in various mobile devices by multiple vendors or, more interestingly, in the head units of modern Chinese vehicles, which are becoming increasingly common on the roads. The head unit is one of ...