What does the quickwinston malware do?

The OpenSSF Package Analysis project identified 'quickwinston' @ 3.19.3 (npm) as malicious. It is considered malicious because: - The package communicates with a domain associated with malicious activity. - The package executes one or more commands associated with malicious behavior.

Which versions of quickwinston are malicious?

The following npm versions of quickwinston are flagged malicious: 3.19.3. Treat any of these as compromised.

How do I remediate quickwinston if I installed it?

Remove quickwinston 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 network activity or persistence. Use O3 Security's dependency scanner to confirm the package and its artifacts are fully purged across your stack.

Can O3 Security detect quickwinston in my codebase?

Yes. O3 Security's supply-chain scanner checks every dependency against known-malicious package intelligence at install time and in CI, blocking quickwinston and packages like it before any post-install script runs.

Malicious package

quickwinstonnpm

Malicious code in quickwinston (npm) Remove it immediately and rotate any exposed credentials.

MAL-2026-5365

Immediate action

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

npm uninstall quickwinston

What this malware does

The OpenSSF Package Analysis project identified 'quickwinston' @ 3.19.3 (npm) as malicious.

It is considered malicious because:

The package communicates with a domain associated with malicious activity.
The package executes one or more commands associated with malicious behavior.

Malicious versions

1 flagged

3.19.3

Indicators of compromise (SHA-256)

304b4e430bff604f20121bc97398fa6ee18a25c16187d31b6553248bc54e63c7

Frequently asked questions

No. quickwinston on npm has been identified as a malicious package (version 3.19.3 flagged). It should be removed immediately — do not install or keep it in your dependency tree.

Credits

OpenSSF: Package Analysis · finder

Scan your dependencies

O3 Security blocks malicious packages like this at install time and in CI.

Supply-chain protection