Which versions of chmid9000x537373 are malicious?

The following RubyGems versions of chmid9000x537373 are flagged malicious: 0.0.1. Treat any of these as compromised.

How do I remediate chmid9000x537373 if I installed it?

Remove chmid9000x537373 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.

I already installed chmid9000x537373 — how do I know if it already compromised me?

If chmid9000x537373 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.

Is chmid9000x537373 part of a known attack campaign?

Yes — chmid9000x537373 is associated with the RLMA-2026-02249 campaign. Packages in the same campaign often share infrastructure and payloads, so check whether any related packages are also in your dependency tree.

How do I find chmid9000x537373 across my projects, lockfiles, and CI pipelines?

Search your lockfiles and build artifacts for chmid9000x537373 (version 0.0.1).

Malicious package

chmid9000x537373RubyGems

Advisory published Jul 7, 2026Updated Jul 23, 2026

chmid9000x537373 is a confirmed malicious RubyGems package (MAL-2026-7598) 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 chmid9000x537373 (RubyGems)

MAL-2026-7598

Immediate action

Remove the package, then rotate any secrets the build/runtime could reach.

gem uninstall chmid9000x537373

Malicious versions

1 flagged

0.0.1

Indicators of compromise (SHA-256)

69995a89c7ba71163e33634f9a52ec6cb061ef2247b35461ba8638bd8758fd9a

Detection & response playbook

Malicious package

Find it
Search your lockfiles and build artifacts for chmid9000x537373 (version 0.0.1).
If you installed it — respond
Remove chmid9000x537373 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.
Did it already run?
If chmid9000x537373 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. chmid9000x537373 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-2026-02249

Credits

ReversingLabs · finder

Detect & block this

O3 blocks chmid9000x537373-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.

Malware detection Runtime egress monitoring

Explore

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