November 2025 Infostealer Trend Report

November 2025 Infostealer Trend Report

This report provides statistics, trends, and case information on Infostealer malware collected and analyzed during the month of November 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)

CoinMiner Malware Distributed via USB

CoinMiner Malware Distributed via USB

Overview   AhnLab SEcurity intelligence Center (ASEC) has recently identified a case in which cryptocurrency-mining malware was being distributed via USB in South Korea. Lately, malware that mines cryptocurrencies by utilizing PC resources without user consent has been actively distributed as cryptocurrency prices surge. While cryptocurrency mining itself is not