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Malicious package

vanc2selo1778552388RubyGems

Malicious code in vanc2selo1778552388 (RubyGems) Remove it immediately and rotate any exposed credentials.

MAL-2026-9099
Immediate action
Remove the package, then rotate any secrets the build/runtime could reach.
gem uninstall vanc2selo1778552388

Malicious versions

1 flagged
0.0.1

Indicators of compromise (SHA-256)

1b3a54cfd0508e493950e1656f12fd4177563f8b7a65d13ec9e78511d6d0b004

Detection & response playbook

Backdoor / remote access
  1. Find it

    Scan your lockfiles (package-lock.json, pnpm-lock.yaml, yarn.lock, requirements.txt, poetry.lock, etc.) and build artifacts for vanc2selo1778552388 (version 0.0.1). O3 Security's supply-chain scanner checks every dependency against known-malicious package intelligence at install time and in CI, flagging vanc2selo1778552388 across your stack and pipelines.

  2. If you installed it — respond

    vanc2selo1778552388 establishes remote access, so treat any host that installed it as fully compromised. Isolate the machine, remove the package, rotate all credentials it could reach, and rebuild from a trusted image rather than cleaning in place — a backdoor may have planted additional persistence.

  3. Did it already run?

    If vanc2selo1778552388 was ever installed, its post-install/runtime payload may have already executed. O3's L7 egress monitoring and runtime eBPF sensors detect the credential exfiltration or command-and-control callback after install and block the malicious outbound channel, so you catch and contain the actual compromise — not just the presence of the package.

  4. How O3 protects you

    O3 blocks vanc2selo1778552388 before install through its supply-chain scanner, and if it has already run, detects and severs the exfiltration or C2 callback at runtime through L7 egress monitoring and eBPF.

Frequently asked questions

No. vanc2selo1778552388 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-2026-03750

Credits

  • ReversingLabs · finder

Detect & block this

O3 blocks vanc2selo1778552388-class packages before install and in CI — and if it already ran, its runtime egress monitoring catches the C2 callback and severs the channel.

vanc2selo1778552388 (RubyGems) malicious package — MAL-2026-9099 | O3 Security