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Malicious package

hgprobe28069RubyGems

Advisory published Updated

hgprobe28069 is a confirmed malicious RubyGems package (MAL-2026-7744) that executes malicious code on install (malicious version 0.0.125608). Do not install it — remove it immediately and rotate any exposed credentials.

Malicious code in hgprobe28069 (RubyGems)

MAL-2026-7744
Immediate action
Remove the package, then rotate any secrets the build/runtime could reach.
gem uninstall hgprobe28069

Malicious versions

1 flagged
0.0.125608

Indicators of compromise (SHA-256)

84f9e0ee2aa04f30b23f3931f3ea863e57aa0f94a06554bfaca5b060d7cea3fe
2cdfba28daa484678bedaf848c06bfb44950eddf4ee0210488bc069f72d39cf0

Detection & response playbook

Malicious package
  1. Find it

    Search your lockfiles and build artifacts for hgprobe28069 (version 0.0.125608).

  2. If you installed it — respond

    Remove hgprobe28069 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 hgprobe28069 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. hgprobe28069 on RubyGems has been identified as a malicious package (version 0.0.125608 flagged). It should be removed immediately — do not install or keep it in your dependency tree.

Campaign

RLMA-2026-02395RLUA-2026-08193

References

Credits

  • ReversingLabs · finder

Detect & block this

O3 blocks hgprobe28069-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

hgprobe28069 (RubyGems) malicious package — MAL-2026-7744 | O3 Security