June 2026 Infostealer Trend Report

June 2026 Infostealer Trend Report

Contents This report summarizes the distribution channels, number of Infostealers, number of detections, and information on companies targeted by new Infostealers collected during June 2026. The collected samples were obtained through an automated data collection system, an email honeypot system, and an automated malware C2 analysis system operated by AhnLab

Vidar Infostealer Being Spread through Phishing Emails

Vidar Infostealer Being Spread through Phishing Emails

1. Overview First identified in 2018, Vidar operates under a Malware-as-a-Service (MaaS) model and continues to be distributed through various attack cases to this day. AhnLab SEcurity intelligence Center (ASEC) has been monitoring cases of Vidar distribution targeting Korea, and this report summarizes the Vidar distribution cases identified in the

May 2026 Infostealer Trend Report

May 2026 Infostealer Trend Report

Content This report summarizes the distribution channels, number of infostealers, number of detections, target companies, and execution types of new infostealers collected during the month of May 2026. The collected samples were analyzed based on data from AhnLab SEcurity intelligence Center (ASEC)’s automated data collection system, Email Honeypot system, automated

May 2026 Dark Web Issue Trend Report

May 2026 Dark Web Issue Trend Report

Notes the May 2026 Dark Web Issue Trend Report summarizes the Major Issues that occurred on the deep web and dark web. it stated that due to the nature of the sources, some of the information cannot be fully verified for factual accuracy. Major Issues Hasan’s BreachForums experienced a moderator

April 2026 Infostealer Trend Report

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

March 2026 Infostealer Trend Report

March 2026 Infostealer Trend Report

Description. this report analyzes Infostealer distribution trends and cases collected during the month of March 2026. It is based on data collected through ASEC’s automated collection and analysis system and ATIP’s real-time IOC service. Purpose and Scope. the purpose of the analysis is to identify trends in the volume, distribution

Malicious LNK Files Distributing a Python-Based Backdoor and Changes in Distribution Techniques (Kimsuky Group)

Malicious LNK Files Distributing a Python-Based Backdoor and Changes in Distribution Techniques (Kimsuky Group)

Overview AhnLab SEcurity intelligence Center (ASEC) recently identified a change in the Kimsuky group’s method of distributing malicious LNK files. The overall attack flow remains the same as before, with a malicious LNK ultimately executing a Python-based backdoor or downloader. However, a structural change was observed in the intermediate execution

February 2026 Infostealer Trend Report

February 2026 Infostealer Trend Report

This report provides statistics, trends, and case information regarding the no. of malware distribution cases, distribution methods, and disguise techniques for Infostealer collected and analyzed during the month of February 2026. Below is a summary of the report’s original content.   1) Data Sources and Collection Methods  AhnLab SEcurity intelligence

January 2026 Infostealer Trend Report

January 2026 Infostealer Trend Report

This report provides statistics, trends, and case information regarding the distribution quantity, distribution methods, and obfuscation techniques of Infostealer malware collected and analyzed during the month of January 2026. Below is a summary of the original report content.   1) Data Sources and Collection Methods  AhnLab Security Intelligence Center (ASEC)

December 2025 Infostealer Trend Report

December 2025 Infostealer Trend Report

This report provides statistics, trends, and case information on Infostealer malware collected and analyzed during the month of December 2025, including distribution volume, distribution channels, and disguising techniques. The following is a summary of the report.   1) Data Source and Collection Method  The AhnLab SEcurity intelligence Center (ASEC) operates