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Malicious package

jqxcorenpm

Malicious code in jqxcore (npm) Remove it immediately and rotate any exposed credentials.

MAL-2025-191576
Immediate action
Remove the package, then rotate any secrets the build/runtime could reach.
npm uninstall jqxcore

What this malware does

The package jqxcore was found to contain malicious code.

Malicious versions

1 flagged
99.0.0

Indicators of compromise (SHA-256)

fca94f2c7c0faa19ebe788a5ddfc2412f581613f1d87343c5752ac9fda628254
71dc7d7d1018099bd9860ca26eea2e4dab1963220ba836768cda991ba135b073

Detection & response playbook

Malicious package
  1. Find it

    Scan your lockfiles (package-lock.json, pnpm-lock.yaml, yarn.lock, requirements.txt, poetry.lock, etc.) and build artifacts for jqxcore (version 99.0.0). O3 Security's supply-chain scanner checks every dependency against known-malicious package intelligence at install time and in CI, flagging jqxcore across your stack and pipelines.

  2. If you installed it — respond

    Remove jqxcore from your project and lockfile, then assume any secrets accessible to the build or runtime were exposed: rotate API keys, tokens, and credentials, and audit for unexpected outbound activity or persistence.

  3. Did it already run?

    If jqxcore was ever installed, its post-install/runtime payload may have already executed. O3's L7 egress monitoring and runtime eBPF sensors detect the credential exfiltration or command-and-control callback after install and block the malicious outbound channel, so you catch and contain the actual compromise — not just the presence of the package.

  4. How O3 protects you

    O3 blocks jqxcore before install through its supply-chain scanner, and if it has already run, detects and severs the exfiltration or C2 callback at runtime through L7 egress monitoring and eBPF.

Frequently asked questions

No. jqxcore on npm has been identified as a malicious package (version 99.0.0 flagged). It should be removed immediately — do not install or keep it in your dependency tree.

Campaign

RLMA-2025-05820

Credits

  • Amazon Inspector · finder
  • ReversingLabs · finder

Detect & block this

O3 blocks jqxcore-class packages before install and in CI — and if it already ran, its runtime egress monitoring catches the malicious outbound activity and severs the channel.

jqxcore (npm) malicious package — MAL-2025-191576 | O3 Security