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Malicious package

zztest17785553774RubyGems

Advisory published Updated

zztest17785553774 is a confirmed malicious RubyGems package (MAL-2026-9981) 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 zztest17785553774 (RubyGems)

MAL-2026-9981
Immediate action
Remove the package, then rotate any secrets the build/runtime could reach.
gem uninstall zztest17785553774

Malicious versions

1 flagged
0.0.1

Indicators of compromise (SHA-256)

a50e0d94cbf22923037f8cde962654b10883144487de8e652bbcf47887d82f4d
74807bc910a730a7d1d34715daf040452645f4ace0fe41d6169e7db43af47134

Detection & response playbook

Malicious package
  1. Find it

    Search your lockfiles and build artifacts for zztest17785553774 (version 0.0.1).

  2. If you installed it — respond

    Remove zztest17785553774 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 zztest17785553774 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. zztest17785553774 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-2026-04632RLUA-2026-10570

References

Credits

  • ReversingLabs · finder

Detect & block this

O3 blocks zztest17785553774-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

zztest17785553774 (RubyGems) malicious package — MAL-2026-9981 | O3 Security