Which versions of ctf-package-onetimeuseforctf are malicious?

The following npm versions of ctf-package-onetimeuseforctf are flagged malicious: 99.99.99, 99.99.999, 99.991.999, 99.992.999, 99.993.999. Treat any of these as compromised.

How do I remediate ctf-package-onetimeuseforctf if I installed it?

Remove ctf-package-onetimeuseforctf 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 ctf-package-onetimeuseforctf — how do I know if it already compromised me?

If ctf-package-onetimeuseforctf 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 ctf-package-onetimeuseforctf part of a known attack campaign?

Yes — ctf-package-onetimeuseforctf is associated with the RLMA-2026-01734 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 ctf-package-onetimeuseforctf across my projects, lockfiles, and CI pipelines?

Search your lockfiles and build artifacts for ctf-package-onetimeuseforctf (5 malicious versions).

Malicious package

ctf-package-onetimeuseforctfnpm

Advisory published Mar 24, 2026Updated Apr 7, 2026

ctf-package-onetimeuseforctf is a confirmed malicious npm package (MAL-2026-2347) that executes malicious code on install (malicious versions 99.99.99, 99.99.999, 99.991.999…). Do not install it — remove it immediately and rotate any exposed credentials.

Malicious code in ctf-package-onetimeuseforctf (npm)

MAL-2026-2347

Immediate action

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

npm uninstall ctf-package-onetimeuseforctf

What this malware does

The package ctf-package-onetimeuseforctf was found to contain malicious code.

Malicious versions

5 flagged

99.99.9999.99.99999.991.99999.992.99999.993.999

Indicators of compromise (SHA-256)

6abd42d1b405c50944cf25ac6f1eb55ae0ddfb81dc184b9672111da2ab405527

2d37390fd81ab77282de711d615673122fd18763d31c720135595e40dd32a71b

Detection & response playbook

Malicious package

Find it
Search your lockfiles and build artifacts for ctf-package-onetimeuseforctf (5 malicious versions).
If you installed it — respond
Remove ctf-package-onetimeuseforctf 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 ctf-package-onetimeuseforctf 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. ctf-package-onetimeuseforctf on npm has been identified as a malicious package (versions 99.99.99, 99.99.999, 99.991.999, 99.992.999, 99.993.999 flagged). It should be removed immediately — do not install or keep it in your dependency tree.

Campaign

RLMA-2026-01734

Credits

Amazon Inspector · finder
ReversingLabs · finder

Detect & block this

O3 blocks ctf-package-onetimeuseforctf-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