Utopia Tech
SecurityAI-assisted1 min read

Two Compromised joyfill npm Packages Run RAT When Imported Into Node.js

Two beta release versions of npm packages in the @joyfill namespace have been compromised to deliver a remote access trojan (RAT) from the DEV#POPPER malware family. The malicious packages execute encrypted JavaScript code automatically when imported into Node.js applications, creating a supply chain security risk for developers using these components.

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Utopia Tech

July 29, 2026 · 1 min read

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Beta release versions of two npm packages in the @joyfill namespace have been compromised to deliver a remote access trojan (RAT) associated with the DEV#POPPER malware family. The list of affected packages is as follows - @joyfill/layouts@0.1.2-2773.beta.0 @joyfill/components@4.0.0-rc24-2773-beta.4 The two packages "contain an import-time JavaScript implant that resolves encrypted code

Originally published at thehackernews.com

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