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Malicious package

vvvv4234npm

Advisory published Updated

vvvv4234 is a confirmed malicious npm package (MAL-2026-1873) that executes malicious code on install (malicious versions 1.0.0, 1.0.2, 1.0.3…). Do not install it — remove it immediately and rotate any exposed credentials.

Malicious code in vvvv4234 (npm)

MAL-2026-1873
Immediate action
Remove the package, then rotate any secrets the build/runtime could reach.
npm uninstall vvvv4234

What this malware does

The package vvvv4234 was found to contain malicious code.

Malicious versions

14 flagged
1.0.01.0.21.0.31.0.41.0.51.0.61.0.71.0.81.0.91.0.101.0.111.0.121.0.131.0.14

Indicators of compromise (SHA-256)

91a78d83d3036a7b983c87c27b59b9d2a7f2268763e339e7d9043579534edf17
b3fcc59e0dc323432a0f7e6f7fd19cad27a4a9811b9f3614906a6943c48a882b

Detection & response playbook

Malicious package
  1. Find it

    Search your lockfiles and build artifacts for vvvv4234 (14 malicious versions).

  2. If you installed it — respond

    Remove vvvv4234 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.

  3. Did it already run?

    If vvvv4234 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. vvvv4234 on npm has been identified as a malicious package (versions 1.0.0, 1.0.2, 1.0.3, 1.0.4, 1.0.5, 1.0.6, 1.0.7, 1.0.8, and 6 more flagged). It should be removed immediately — do not install or keep it in your dependency tree.

Campaign

RLMA-2026-01645

Credits

  • Amazon Inspector · finder
  • ReversingLabs · finder

Detect & block this

O3 blocks vvvv4234-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.

Explore

vvvv4234 (npm) malicious package — MAL-2026-1873 | O3 Security