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Malicious package

fooaid503724dRubyGems

Advisory published Updated

fooaid503724d is a confirmed malicious RubyGems package (MAL-2026-7687) that executes malicious code on install (malicious version 0.0.1). Do not install it — remove it immediately and rotate any exposed credentials.

Malicious code in fooaid503724d (RubyGems)

MAL-2026-7687
Immediate action
Remove the package, then rotate any secrets the build/runtime could reach.
gem uninstall fooaid503724d

Malicious versions

1 flagged
0.0.1

Indicators of compromise (SHA-256)

81c10727bf51ea4c9e3af58ac40f44811f5f45f4280fdc3487d9c1137f16e1d5
2f1efbe5a6278efaa6b559151cc6e0582e93f67f4ad1fdc16ec7d1c4f3957f70

Detection & response playbook

Malicious package
  1. Find it

    Search your lockfiles and build artifacts for fooaid503724d (version 0.0.1).

  2. If you installed it — respond

    Remove fooaid503724d 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 fooaid503724d 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. fooaid503724d on RubyGems has been identified as a malicious package (version 0.0.1 flagged). It should be removed immediately — do not install or keep it in your dependency tree.

Campaign

RLMA-2026-02338RLUA-2026-08111

References

Credits

  • ReversingLabs · finder

Detect & block this

O3 blocks fooaid503724d-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

fooaid503724d (RubyGems) malicious package — MAL-2026-7687 | O3 Security