Which versions of transcript-viewer-ui-demo are malicious?

The following npm versions of transcript-viewer-ui-demo are flagged malicious: 9.9.9. Treat any of these as compromised.

How do I remediate transcript-viewer-ui-demo if I installed it?

Remove transcript-viewer-ui-demo 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 transcript-viewer-ui-demo — how do I know if it already compromised me?

If transcript-viewer-ui-demo 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 transcript-viewer-ui-demo part of a known attack campaign?

Yes — transcript-viewer-ui-demo is associated with the RLMA-2026-02053 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 transcript-viewer-ui-demo across my projects, lockfiles, and CI pipelines?

Search your lockfiles and build artifacts for transcript-viewer-ui-demo (version 9.9.9).

Malicious package

transcript-viewer-ui-demonpm

Advisory published Apr 16, 2026Updated Apr 23, 2026

transcript-viewer-ui-demo is a confirmed malicious npm package (MAL-2026-2804) that executes malicious code on install (malicious version 9.9.9). Do not install it — remove it immediately and rotate any exposed credentials.

Malicious code in transcript-viewer-ui-demo (npm)

MAL-2026-2804

Immediate action

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

npm uninstall transcript-viewer-ui-demo

What this malware does

The package transcript-viewer-ui-demo was found to contain malicious code.

Malicious versions

1 flagged

9.9.9

Indicators of compromise (SHA-256)

3b1f66f24f3cf310ce8eb89c7aae6250b4624e45e025832c15ec895996592541

d52899913925c544bb906fcc1d752431c86c54c3465310a8eee4318ba29164e0

Detection & response playbook

Malicious package

Find it
Search your lockfiles and build artifacts for transcript-viewer-ui-demo (version 9.9.9).
If you installed it — respond
Remove transcript-viewer-ui-demo 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 transcript-viewer-ui-demo 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. transcript-viewer-ui-demo on npm has been identified as a malicious package (version 9.9.9 flagged). It should be removed immediately — do not install or keep it in your dependency tree.

Campaign

RLMA-2026-02053

Credits

Amazon Inspector · finder
ReversingLabs · finder

Detect & block this

O3 blocks transcript-viewer-ui-demo-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