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Ransom & Dark Web Issues Week 1, September 2026

ASEC Blog publishes Ransom & Dark Web Issues Week 1, September 2026           ZaWoo Data Extortion Attacks Against Multiple Organizations Worldwide Black X Ransomware Attack on a South Korean Automotive Parts Manufacturer Internal Data of a South Korean Asset Management and Investment Firm Offered for Sale

Not Every Fox is Silver: Inside an AtlasRAT loader chain

Summary AtlasRAT is a Windows-based remote access malware. This report analyzes a four-stage in-memory loader chain—which begins with a Delphi executable that is disguised as AGE Flash Player—and its final RAT functionality. The final payload performs TLS-based ChaCha20-encrypted C2 communication, executes modular plugins, performs offline keylogging, and injects DLLs into WeChat processes. Group Characteristics Public […]

Statistical Report on Malware Targeting Linux SSH Servers in Q2 2026

Content In the second quarter of 2026, the AhnLab SEcurity intelligence Center (ASEC) collected and analyzed attack logs targeting poorly managed Linux SSH servers through honeypots. The scope of the analysis covers attack sources that progressed to executing actual malware installation commands, as well as statistics on the malware used in those attacks. Purpose and […]

Statistical Report on Malware Targeting Windows Web Servers in Q2 2026

Content In the second quarter of 2026, the AhnLab SEcurity intelligence Center (ASEC) compiled an analysis of the current attack status for poorly managed Windows web servers and classified the malware used in these attacks. The targets were Internet Information Services (IIS) web servers and Apache Tomcat web servers running in Windows environments. Purpose and […]

May 2026 Threat Trend Report on APT Groups

Purpose and Scope The May 2026 APT Trends report identified supply chain attacks, developer environment attacks, automated Initial Breach, and exploitation of runtime environments as key developments. Lazarus, Famous Chollima, Gamaredon, MuddyWater, and Nimbus Manticore are of particular concern. Status of Major APT Groups by Region North Korea The Lazarus group exploited Git Hooks (Git […]

Ransom & Dark Web Issues Week 2, June 2026

ASEC Blog publishes Ransom & Dark Web Issues Week 2, June 2026         Black X Ransomware Attacks on Korean and U.S. Organizations Data from South Korean Education Platform Leaked on BreachForums by Hasan Breach of French Secure Government Messaging Data Discovered on PwnForums

Ransom & Dark Web Issues Week 1, June 2026

ASEC Blog publishes Ransom & Dark Web Issues Week 1, June 2026           Qilin Ransomware Attack Targets South Korean Automation Equipment Company New Data Extortion Group Black X Claims Leak of Internal Data from South Korean Plastic Surgery Clinic Nova Ransomware Attack Targets Department of AI at University in Daegu, South […]

April 2026 Infostealer Trend Report

Content this report summarizes the trends of new Infostealers collected during the month of April 2026, including distribution channels, malware distribution, malware quantity, detection quantity, and disguised targets. the data collected is based on ASEC’s Automated Data Collection System, Email Honeypot System, and AhnLab product detection results. Purpose and Scope the report covers Infostealers Disguised […]

April 2026 Dark Web Issue Trend Report

Notes the April 2026 Dark Web Issue Trend Report summarizes the Major Issues that occurred on the deep web and dark web. due to the nature of the sources, some of the information is difficult to fully verify. Major Issues BreachForums continued its relaunch with a new domain and repeated operational update announcements. at the […]

Dark Web Threat Actor Trend Report, April 2026

Notes the April 2026 Dark Web Threat Actor Trend Report summarizes trends in hacktivists and threat actors operating on the deep web and dark web. due to the nature of the sources, some of the information is difficult to fully verify as factual. Major Issues NoName05716 claimed repeated DDoS attacks against dozens of organizations, including […]

Ransom & Dark Web Issues Week 5, April 2026

ASEC Blog publishes Ransom & Dark Web Issues Week 5, April 2026           Emergence of a new ransomware group, M3RX Data from a South Korean religious organization sold on DarkForums ShinyHunters claims a data leak from a US interactive media company

March 2026 Dark Web Threat Actor Trends Report

Alerts this report is a compilation of trends centered on hacktivists operating on the deep web and dark web. some alleged attacks are labeled as observations due to limited independent technical verification. Major Issues Handala’s multi-pronged offensive stood out. The group used a combination of psychological warfare and subversive attacks, including a claimed FBI-linked domain […]

Statistical Report on Malware Targeting Windows Web Servers in Q1 2026

Description. AhnLab SEcurity intelligence Center (ASEC) analyzed the attack status and malware statistics of Windows web servers in the first quarter of 2026 based on AhnLab Smart Defense (ASD) logs. the analysis covers Internet Information Services (IIS) and Apache Tomcat web servers in Windows environments. command execution through the web shell is the main path […]

Q1 2026 Malware Statistics Report for Linux SSH Servers

Overview. ASEC analyzed the statistics of attacks against Linux SSH servers in Q1 2026 based on honeypot logs. The P2PInfect worm dominated, accounting for 70.3% of all attack sources, and DDoS bots such as Mirai, XMRig, Prometei, and CoinMiner were identified as the main threats. Purpose and Scope. the purpose of this report is to […]
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