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Malicious package

zpx52500isRubyGems

Advisory published Updated

zpx52500is is a confirmed malicious RubyGems package (MAL-2026-9676) 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 zpx52500is (RubyGems)

MAL-2026-9676
Immediate action
Remove the package, then rotate any secrets the build/runtime could reach.
gem uninstall zpx52500is

Malicious versions

1 flagged
0.0.1

Indicators of compromise (SHA-256)

d828f096d86d34afe5e90e39099bf34c3fbe1e1f3a8c9ff8d7b70716b65056bc
7886d0624f1a6959fe91a84d6e1fb8fec62f2612578bf73a7d65aac39f7d6e3a

Detection & response playbook

Malicious package
  1. Find it

    Search your lockfiles and build artifacts for zpx52500is (version 0.0.1).

  2. If you installed it — respond

    Remove zpx52500is 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 zpx52500is 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. zpx52500is 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-2026-04327RLUA-2026-10265

References

Credits

  • ReversingLabs · finder

Detect & block this

O3 blocks zpx52500is-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

zpx52500is (RubyGems) malicious package — MAL-2026-9676 | O3 Security