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Malicious package

dlxprobe12RubyGems

Advisory published Updated

dlxprobe12 is a confirmed malicious RubyGems package (MAL-2026-7621) 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 dlxprobe12 (RubyGems)

MAL-2026-7621
Immediate action
Remove the package, then rotate any secrets the build/runtime could reach.
gem uninstall dlxprobe12

Malicious versions

1 flagged
0.0.1

Indicators of compromise (SHA-256)

86e3c092eed48d54a4b459a18a84dc75dd57634761c6c1b3109e179cdd651569
1f7a57f584c70bd218c5ab3608ce377f6f10adbaf40c6d37bb2bb5849080acee

Detection & response playbook

Malicious package
  1. Find it

    Search your lockfiles and build artifacts for dlxprobe12 (version 0.0.1).

  2. If you installed it — respond

    Remove dlxprobe12 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 dlxprobe12 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. dlxprobe12 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-2026-02272RLUA-2026-07985

References

Credits

  • ReversingLabs · finder

Detect & block this

O3 blocks dlxprobe12-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

dlxprobe12 (RubyGems) malicious package — MAL-2026-7621 | O3 Security