Beware of Phishing Emails That Disguise Themselves as Project Material Purchase Requests
Recently, the AhnLab SEcurity intelligence Center (ASEC) identified a case of phishing emails that disguise themselves as project material purchase request forms. These emails impersonate employees of a specific company in Korea and trick recipients into opening a malicious XLS file attached to the email, which is disguised as a
Beware of phishing emails disguised as quote requests
Recently, the AhnLab SEcurity intelligence Center (ASEC) confirmed that phishing emails disguised as requests for project quotes are being circulated. The email body is disguised as a request to submit a quote for discussing the project budget and prompts recipients to download an attached compressed file for verification. [Figure
SilverFox: Tracking the Distribution of a Domestic Variant of a Malicious Installation File Posing as KakaoTalk
The threat actor used SEO poisoning (a technique that exploits search results to redirect users to fake sites) to distribute a malicious installer disguised as a KakaoTalk installer. The appearance and packaging method of the installer changed continuously, and the threat actor sequentially used NSIS, Advanced Installer, and Inno Setup.
August 2026 Threat Trend Report on Ransomware
Purpose and Scope This report summarizes statistics on new ransomware samples, affected systems, and statistics on targeted businesses collected during the month of August 2026, as well as major Korean & Global ransomware issues. Statistics on targeted businesses were compiled based on the time when publicly available information from ransomware
August 2026 Infostealer Trend Report
Content This report summarizes the distribution channels, number of Infostealers, number of detections, and companies disguised as targets by new Infostealers collected during the month of August 2026. It is based on data from AhnLab SEcurity intelligence Center (ASEC), AhnLab product diagnostic logs, automated data collection systems, email honeypot systems,
Larva-25012: A 2026 Proxyware Distribution Campaign by the Threat Actor (DigitalPulse, SOAX, Appsalt, IPRoyal)
The AhnLab SEcurity intelligence Center (ASEC) has been monitoring proxyjacking attacks and confirmed that, in the second half of 2026, the Larva-25012 threat actor has resumed actively distributing Proxyware. Rather than conducting malware distribution through new methods, the threat actor appears to have targeted already infected systems to distribute Proxyware.
Private HTS programs that spread ransomware
AhnLab SEcurity intelligence Center (ASEC) recently identified a case in which ransomware was distributed through a private home trading system (HTS). The HTS program used to distribute the ransomware is called “UBP Asset” and has long been exploited in online investment scams. Given that a photo of the same HTS
Security Issues in the Korean & Global Financial Sector in August 2026
Statistics on Malware Distributed to the Financial Sector Malware Distribution Trends. In Attack Stage 1, phishing was the highest at 2.1, Up from 1.8 The previous month. In Attack Stage 2, dropper/downloader was the highest at 1.1, Down from 3.2 The previous month. In Stage 3 of the attack, Infostealers
Attack Cases in Korea Involving the Installation of Radmin and UltraVNC
The AhnLab SEcurity intelligence Center (ASEC) recently identified attack cases that exploited Radmin and UltraVNC. Although the Initial Intrusion method remains unknown, the attackers installed Radmin—a remote control tool—and then installed UltraVNC. The threat actors exploited the remote control tools to gain control of the infected systems and installed Netch
Detection and Removal of the Syslogk Rootkit in a Linux Environment
1. Overview The AhnLab SEcurity intelligence Center (ASEC) continuously monitors various threats targeting Linux environments. Techniques that modify the Linux kernel to conceal malware and signs of compromise have been used for a long time, and Syslogk is one such rootkit that operates in this manner. This document provides an
