Which versions of ecto-corsair-lwirz are malicious?

The following npm versions of ecto-corsair-lwirz are flagged malicious: 99.0.0. Treat any of these as compromised.

How do I remediate ecto-corsair-lwirz if I installed it?

Remove ecto-corsair-lwirz 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 ecto-corsair-lwirz — how do I know if it already compromised me?

If ecto-corsair-lwirz 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 ecto-corsair-lwirz part of a known attack campaign?

Yes — ecto-corsair-lwirz is associated with the RLMA-2026-01745 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 ecto-corsair-lwirz across my projects, lockfiles, and CI pipelines?

Search your lockfiles and build artifacts for ecto-corsair-lwirz (version 99.0.0).

Malicious package

ecto-corsair-lwirznpm

Advisory published Mar 24, 2026Updated Apr 7, 2026

ecto-corsair-lwirz is a confirmed malicious npm package (MAL-2026-2352) that executes malicious code on install (malicious version 99.0.0). Do not install it — remove it immediately and rotate any exposed credentials.

Malicious code in ecto-corsair-lwirz (npm)

MAL-2026-2352

Immediate action

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

npm uninstall ecto-corsair-lwirz

What this malware does

The package ecto-corsair-lwirz was found to contain malicious code.

Malicious versions

1 flagged

99.0.0

Indicators of compromise (SHA-256)

a60bdca11e0b017cb8b06809a8e7afcbdc7c555e5b32f9db41233657f1533a37

77c3cc1d671c5749806f3787e8d2005f67db4d64f938987e404cea0a52ebac21

Detection & response playbook

Malicious package

Find it
Search your lockfiles and build artifacts for ecto-corsair-lwirz (version 99.0.0).
If you installed it — respond
Remove ecto-corsair-lwirz 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 ecto-corsair-lwirz 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. ecto-corsair-lwirz 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-2026-01745

Credits

Amazon Inspector · finder
ReversingLabs · finder

Detect & block this

O3 blocks ecto-corsair-lwirz-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