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Malicious package

@quick-start-soft/quick-git-clean-markdownnpm

Malicious code in @quick-start-soft/quick-git-clean-markdown (npm) Remove it immediately and rotate any exposed credentials.

MAL-2025-190820
Immediate action
Remove the package, then rotate any secrets the build/runtime could reach.
npm uninstall @quick-start-soft/quick-git-clean-markdown

What this malware does

The package @quick-start-soft/quick-git-clean-markdown was found to contain malicious code.

Any computer that has this package installed or running should be considered fully compromised. All secrets and keys stored on that computer should be rotated immediately from a different computer. The package should be removed, but as full control of the computer may have been given to an outside entity, there is no guarantee that removing the package will remove all malicious software resulting from installing it.

This package was compromised by the Sha1-Hulud: The Second Coming NPM worm. The malicious payload steals tokens and credentials and publishes them to GitHub. The worm will propogate itself to NPM packages the user owns and establish persistence is a GitHub action. The package may also destroy the user's home directory.

Malicious versions

1 flagged
1.4.2511142126

Indicators of compromise (SHA-256)

9adff2ef0e0f228ddb70b390f0d42390c62cc3714eb27b2014b31b9961c1e7f7
577d17cd2429a5652e40b47820dcf0d2effeaf1de1762f1ee7c8b3c14eeb7cb3
5c8320b1dff6a1083962a40a99d3e75b943d5af39c70d4ba0ecdbe8aaf90597b
4c65c9dcc807d6d82c5eeda5fa9224a35900521f36c91541be62f6e15ee69b36

Detection & response playbook

Credential / info stealer

  1. Find it

    Scan your lockfiles (package-lock.json, pnpm-lock.yaml, yarn.lock, requirements.txt, poetry.lock, etc.) and build artifacts for @quick-start-soft/quick-git-clean-markdown (version 1.4.2511142126). O3 Security's supply-chain scanner checks every dependency against known-malicious package intelligence at install time and in CI, flagging @quick-start-soft/quick-git-clean-markdown across your stack and pipelines.

  2. If you installed it — respond

    @quick-start-soft/quick-git-clean-markdown is built to steal secrets, so assume every credential the build or runtime could read is compromised. Remove it from your project and lockfile, then rotate ALL exposed secrets — npm/registry tokens, cloud keys, CI/CD secrets, SSH keys, and any .env values — from a known-clean machine. Audit logs for unauthorized use of those credentials.

  3. Did it already run?

    If @quick-start-soft/quick-git-clean-markdown was ever installed, its post-install/runtime payload may have already executed. O3's L7 egress monitoring and runtime eBPF sensors detect the credential exfiltration or command-and-control callback after install and block the malicious outbound channel, so you catch and contain the actual compromise — not just the presence of the package.

  4. How O3 protects you

    O3 blocks @quick-start-soft/quick-git-clean-markdown before install through its supply-chain scanner, and if it has already run, detects and severs the exfiltration or C2 callback at runtime through L7 egress monitoring and eBPF.

Frequently asked questions

No. @quick-start-soft/quick-git-clean-markdown on npm has been identified as a malicious package (version 1.4.2511142126 flagged). It should be removed immediately — do not install or keep it in your dependency tree.

Campaign

GHSA-c7cp-2wjp-3vg9

References

Credits

  • Amazon Inspector · finder

Detect & block this

O3 blocks @quick-start-soft/quick-git-clean-markdown-class packages before install and in CI — and if it already ran, its runtime egress monitoring catches the credential exfiltration and severs the channel.

Malware detection Runtime egress monitoring
@quick-start-soft/quick-git-clean-markdown (npm) malicious package — MAL-2025-190820 | O3 Security