Which versions of node-calculator-x7k9-evil are malicious?

The following npm versions of node-calculator-x7k9-evil are flagged malicious: 9999.9.9999. Treat any of these as compromised.

How do I remediate node-calculator-x7k9-evil if I installed it?

Remove node-calculator-x7k9-evil 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.

I already installed node-calculator-x7k9-evil — how do I know if it already compromised me?

If node-calculator-x7k9-evil was installed, its post-install payload may already have run. Removing the package does not undo that — check outbound connections and credential use from the install window onward.

Is node-calculator-x7k9-evil part of a known attack campaign?

Yes — node-calculator-x7k9-evil is associated with the RLMA-2025-06432 campaign. Packages in the same campaign often share infrastructure and payloads, so check whether any related packages are also in your dependency tree.

How do I find node-calculator-x7k9-evil across my projects, lockfiles, and CI pipelines?

Search your lockfiles and build artifacts for node-calculator-x7k9-evil (version 9999.9.9999).

Malicious package

node-calculator-x7k9-evilnpm

Advisory published Dec 23, 2025Updated Jan 2, 2026

node-calculator-x7k9-evil is a confirmed malicious npm package (MAL-2025-192846) that executes malicious code on install (malicious version 9999.9.9999). Do not install it — remove it immediately and rotate any exposed credentials.

Malicious code in node-calculator-x7k9-evil (npm)

MAL-2025-192846

Immediate action

Remove the package, then rotate any secrets the build/runtime could reach.

npm uninstall node-calculator-x7k9-evil

What this malware does

The package node-calculator-x7k9-evil was found to contain malicious code.

Malicious versions

1 flagged

9999.9.9999

Indicators of compromise (SHA-256)

e5679abf25cd17b1facc72f9b94b2c300a1659ff8e8dfd5d53337f2b7cff8cc6

cc5725b959d72dc6ed33866064dda06f32d3c37b6f86310eba08d256c7ef9dc8

Detection & response playbook

Malicious package

Find it
Search your lockfiles and build artifacts for node-calculator-x7k9-evil (version 9999.9.9999).
If you installed it — respond
Remove node-calculator-x7k9-evil 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.
Did it already run?
If node-calculator-x7k9-evil was installed, its post-install payload may already have run. Removing the package does not undo that — check outbound connections and credential use from the install window onward.

Frequently asked questions

No. node-calculator-x7k9-evil on npm has been identified as a malicious package (version 9999.9.9999 flagged). It should be removed immediately — do not install or keep it in your dependency tree.

Campaign

RLMA-2025-06432

Credits

Amazon Inspector · finder
ReversingLabs · finder

Detect & block this

O3 blocks node-calculator-x7k9-evil-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.

Malware detection Runtime egress monitoring

Explore

All malware advisories How O3 detects malware Vulnerability database