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

July 29, 2026
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Two Compromised joyfill npm Packages Run RAT When Imported Into Node.js

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/[email protected]
@joyfill/[email protected]

The two packages “contain an import-time JavaScript implant that resolves encrypted code

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

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

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

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