Statistics Report on Malware Targeting Windows Database Servers in Q4 2025
AhnLab SEcurity intelligence Center (ASEC) utilizes the AhnLab Smart Defense (ASD) infrastructure to respond to and categorize attacks targeting MS-SQL and MySQL servers installed on Windows operating systems. This post covers the damage status of MS-SQL and MySQL servers that have become attack targets and statistics on attacks against these
GeoServer, Where Various CoinMiner Attacks Occur
AhnLab SEcurity intelligence Center (ASEC) previously covered the case of threat actors exploiting the GeoServer vulnerability to install CoinMiner and NetCat through the “CoinMiner Attacks Exploiting GeoServer Vulnerability” blog. [1] The threat actors have been continuously targeting vulnerable GeoServers to install CoinMiner. This post will cover the identified cases of
ViperSoftX Attackers Target Monero
AhnLab SEcurity intelligence Center (ASEC) has confirmed that the ViperSoftX attackers are installing coin miners to mine Monero cryptocurrency. ViperSoftX is a remote control malware that steals cryptocurrency wallet addresses. These attackers primarily distribute malware disguised as cracks or keygens for legitimate software, or as eBooks. In addition to ViperSoftX,
NKNShell Malware Distributed via VPN Website
AhnLab SEcurity intelligence Center (ASEC) has confirmed that malware has been uploaded to the website of a South Korean VPN provider. Based on the distribution method and characteristics of the malware used, this attack appears to be the work of the same threat actor who has been targeting South Korean
October 2025 Infostealer Trend Report
This report provides statistics, trends, and case information on Infostealer malware such as distribution volume, distribution methods, and disguising techniques, which were collected and analyzed for one month in October 2025. The following is a summary of the report. 1) Data Source and Collection Method AhnLab SEcurity intelligence
Distribution of Backdoor Malware with Legitimate Signature, Disguised as Steam Cleanup Tool
Multiple cases have been reported where malware disguised as the “SteamCleaner” tool for cleaning the popular game platform Steam client is being distributed. When a system is infected with this malware, a malicious Node.js script resides on the user’s PC and communicates with the C2 server periodically, allowing threat actors
Analysis of Trigona Threat Actor’s Latest Attack Cases
AhnLab SEcurity intelligence Center (ASEC) has covered the case of Trigona threat actors attacking MS-SQL servers in the past post, “Trigona Ransomware Threat Actor Uses Mimic Ransomware.”[1] In the attack cases, both Trigona and Mimic ransomware were used. However, while the email address used by the threat actor in the
Statistics Report on Malware Targeting Windows Database Servers in Q3 2025
AhnLab SEcurity intelligence Center (ASEC) utilizes the AhnLab Smart Defense (ASD) to categorize and respond to attacks targeting Windows-based MS-SQL and MySQL servers. This report will cover the current state of damage to MS-SQL and MySQL servers that became attack targets based on the logs discovered in the third quarter
Proxyware Malware Being Distributed on YouTube Video Download Site – 2
AhnLab SEcurity intelligence Center (ASEC) has covered cases where Proxyware malware is distributed by sites posing as YouTube video download pages. Although the attack methods and malware installed are similar, the same attacker continues to distribute the malware, leading to the infection of numerous systems. The following blog posts detail

