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Malicious package

lbrssltutuvwpRubyGems

Advisory published Updated

lbrssltutuvwp is a confirmed malicious RubyGems package (MAL-2026-7947) 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 lbrssltutuvwp (RubyGems)

MAL-2026-7947
Immediate action
Remove the package, then rotate any secrets the build/runtime could reach.
gem uninstall lbrssltutuvwp

Malicious versions

1 flagged
0.0.1

Indicators of compromise (SHA-256)

4d5ad547912ac45132e41f31b1d9a695a2a6914ad7fdbd147c21678c24ca85b3
ff6be5dc3781ba932f11e5bbe04e365f02e24e3a1dcf2bd9be023b440ae5faf8

Detection & response playbook

Malicious package
  1. Find it

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

  2. If you installed it — respond

    Remove lbrssltutuvwp 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 lbrssltutuvwp 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. lbrssltutuvwp 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-2026-02598RLUA-2026-08415

References

Credits

  • ReversingLabs · finder

Detect & block this

O3 blocks lbrssltutuvwp-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

lbrssltutuvwp (RubyGems) malicious package — MAL-2026-7947 | O3 Security