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Malicious package

whg1778555575753RubyGems

Advisory published Updated

whg1778555575753 is a confirmed malicious RubyGems package (MAL-2026-9355) 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 whg1778555575753 (RubyGems)

MAL-2026-9355
Immediate action
Remove the package, then rotate any secrets the build/runtime could reach.
gem uninstall whg1778555575753

Malicious versions

1 flagged
0.0.1

Indicators of compromise (SHA-256)

697a6b5f5550dc093c939a4eb24a4edf3706bb7aa1fdfe3d512da9db968478ad
66e9a80265ba8605a560837241ee528b418fd4f97a3b923855135736828f3178

Detection & response playbook

Malicious package
  1. Find it

    Search your lockfiles and build artifacts for whg1778555575753 (version 0.0.1).

  2. If you installed it — respond

    Remove whg1778555575753 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 whg1778555575753 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. whg1778555575753 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-2026-04006RLUA-2026-09936

References

Credits

  • ReversingLabs · finder

Detect & block this

O3 blocks whg1778555575753-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

whg1778555575753 (RubyGems) malicious package — MAL-2026-9355 | O3 Security