Which versions of node-calculator-98ba are malicious?

The following npm versions of node-calculator-98ba are flagged malicious: 2.4.0. Treat any of these as compromised.

How do I remediate node-calculator-98ba if I installed it?

Remove node-calculator-98ba 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-98ba — how do I know if it already compromised me?

If node-calculator-98ba 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-98ba part of a known attack campaign?

Yes — node-calculator-98ba is associated with the RLMA-2025-06418 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-98ba across my projects, lockfiles, and CI pipelines?

Search your lockfiles and build artifacts for node-calculator-98ba (version 2.4.0).

Malicious package

node-calculator-98banpm

Advisory published Dec 23, 2025Updated Jan 2, 2026

node-calculator-98ba is a confirmed malicious npm package (MAL-2025-192836) that executes malicious code on install (malicious version 2.4.0). Do not install it — remove it immediately and rotate any exposed credentials.

Malicious code in node-calculator-98ba (npm)

MAL-2025-192836

Immediate action

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

npm uninstall node-calculator-98ba

What this malware does

The package node-calculator-98ba was found to contain malicious code.

Malicious versions

1 flagged

2.4.0

Indicators of compromise (SHA-256)

ce66a70953a06f12eabcdfd97bab3d6de726b5a77255777414e661411ef958be

97066fa13c451f8e27d4a140e49f882ea4d259609ae539e005a948e06e36268c

Detection & response playbook

Malicious package

Find it
Search your lockfiles and build artifacts for node-calculator-98ba (version 2.4.0).
If you installed it — respond
Remove node-calculator-98ba 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-98ba 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-98ba on npm has been identified as a malicious package (version 2.4.0 flagged). It should be removed immediately — do not install or keep it in your dependency tree.

Campaign

RLMA-2025-06418

Credits

Amazon Inspector · finder
ReversingLabs · finder

Detect & block this

O3 blocks node-calculator-98ba-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