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Malicious package

zwta6000RubyGems

Advisory published Updated

zwta6000 is a confirmed malicious RubyGems package (MAL-2026-9897) 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 zwta6000 (RubyGems)

MAL-2026-9897
Immediate action
Remove the package, then rotate any secrets the build/runtime could reach.
gem uninstall zwta6000

Malicious versions

1 flagged
0.0.1

Indicators of compromise (SHA-256)

6a8fee9e3a813dbe84efba231909eb6c4bc4198e369e0065594d5f1bfaf6e65a
6524fa0db62e1af42aabc3cf58150ae505049a638cc5896214803b8c12ba6468

Detection & response playbook

Malicious package
  1. Find it

    Search your lockfiles and build artifacts for zwta6000 (version 0.0.1).

  2. If you installed it — respond

    Remove zwta6000 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 zwta6000 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. zwta6000 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-2026-04548RLUA-2026-10486

References

Credits

  • ReversingLabs · finder

Detect & block this

O3 blocks zwta6000-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

zwta6000 (RubyGems) malicious package — MAL-2026-9897 | O3 Security