From Extension to Infection: An In-Depth Analysis of the Evelyn Stealer Campaign Targeting Software Developers


On December 8, 2025, Koi.ai published their findings about a campaign specifically targeting software developers through weaponized Visual Studio Code extensions. Here, Trend Micro will provide a more in-depth analysis of the multistage delivery of the Evelyn information stealer.

Evelyn implements multiple anti-analysis techniques to evade detection in research and sandbox environments. It collects system information and harvests browser credentials through DLL injection as well as files and information such as clipboard and Wi-Fi credentials . It can also capture screenshots and steal cryptocurrency wallet.

Read more…
Source: Trend Micro


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