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Malicious package

@adominadmininstr/fmt-date-helpernpm

Advisory published Updated

@adominadmininstr/fmt-date-helper is a confirmed malicious npm package (MAL-2026-16491) that executes malicious code on install (malicious version 1.0.0). Do not install it — remove it immediately and rotate any exposed credentials.

Malicious code in @adominadmininstr/fmt-date-helper (npm)

MAL-2026-16491
Immediate action
Remove the package, then rotate any secrets the build/runtime could reach.
npm uninstall @adominadmininstr/fmt-date-helper

Malicious versions

1 flagged
1.0.0

Indicators of compromise (SHA-256)

10e647715b4fab3c281a2a506195a57d5f2eff75073089afcad399d82a06b4b5

Detection & response playbook

Malicious package
  1. Find it

    Search your lockfiles and build artifacts for @adominadmininstr/fmt-date-helper (version 1.0.0).

  2. If you installed it — respond

    Remove @adominadmininstr/fmt-date-helper 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 @adominadmininstr/fmt-date-helper 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. @adominadmininstr/fmt-date-helper on npm has been identified as a malicious package (version 1.0.0 flagged). It should be removed immediately — do not install or keep it in your dependency tree.

Campaign

RLMA-2026-10598

Credits

  • ReversingLabs · finder

Detect & block this

O3 blocks @adominadmininstr/fmt-date-helper-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

@adominadmininstr/fmt-date-helper (npm) malicious package — MAL-2026-16491 | O3 Security