Which versions of node-calculator-ad83 are malicious?

The following npm versions of node-calculator-ad83 are flagged malicious: 2.2.0, 2.3.0, 9.9.9. Treat any of these as compromised.

How do I remediate node-calculator-ad83 if I installed it?

Remove node-calculator-ad83 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-ad83 — how do I know if it already compromised me?

If node-calculator-ad83 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-ad83 part of a known attack campaign?

Yes — node-calculator-ad83 is associated with the RLMA-2025-06423 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-ad83 across my projects, lockfiles, and CI pipelines?

Search your lockfiles and build artifacts for node-calculator-ad83 (3 malicious versions).

Malicious package

node-calculator-ad83npm

Advisory published Dec 23, 2025Updated Jan 2, 2026

node-calculator-ad83 is a confirmed malicious npm package (MAL-2025-192839) that executes malicious code on install (malicious versions 2.2.0, 2.3.0, 9.9.9). Do not install it — remove it immediately and rotate any exposed credentials.

Malicious code in node-calculator-ad83 (npm)

MAL-2025-192839

Immediate action

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

npm uninstall node-calculator-ad83

What this malware does

The package node-calculator-ad83 was found to contain malicious code.

Malicious versions

3 flagged

2.2.02.3.09.9.9

Indicators of compromise (SHA-256)

fd997e41d31660d19547ded826e79c8ac7527df8237f385ff7dfcefd9250311a

e54e5ced22286087a11c9c7462f631d3cf4014d13403ff370c65b5b9b2bf03ba

Detection & response playbook

Malicious package

Find it
Search your lockfiles and build artifacts for node-calculator-ad83 (3 malicious versions).
If you installed it — respond
Remove node-calculator-ad83 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-ad83 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-ad83 on npm has been identified as a malicious package (versions 2.2.0, 2.3.0, 9.9.9 flagged). It should be removed immediately — do not install or keep it in your dependency tree.

Campaign

RLMA-2025-06423

Credits

Amazon Inspector · finder
ReversingLabs · finder

Detect & block this

O3 blocks node-calculator-ad83-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