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Malicious package

scaljan2momxmRubyGems

Advisory published Updated

scaljan2momxm is a confirmed malicious RubyGems package (MAL-2026-8584) 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 scaljan2momxm (RubyGems)

MAL-2026-8584
Immediate action
Remove the package, then rotate any secrets the build/runtime could reach.
gem uninstall scaljan2momxm

Malicious versions

1 flagged
0.0.1

Indicators of compromise (SHA-256)

bec095459bbfd66dc6007548b41bb1f455a9287b113aa7f2f880e7b90c78ee83
c6bc87aaaea1ee0493763f0b26abe6d5c128c858ea672b8ff1180c9719566747

Detection & response playbook

Malicious package
  1. Find it

    Search your lockfiles and build artifacts for scaljan2momxm (version 0.0.1).

  2. If you installed it — respond

    Remove scaljan2momxm 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 scaljan2momxm 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. scaljan2momxm 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-2026-03235RLUA-2026-09129

References

Credits

  • ReversingLabs · finder

Detect & block this

O3 blocks scaljan2momxm-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

scaljan2momxm (RubyGems) malicious package — MAL-2026-8584 | O3 Security