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Malicious package

tensor-fi-crypto-utilsnpm

Malicious code in tensor-fi-crypto-utils (npm) Remove it immediately and rotate any exposed credentials.

MAL-2025-191597
Immediate action
Remove the package, then rotate any secrets the build/runtime could reach.
npm uninstall tensor-fi-crypto-utils

What this malware does

The package tensor-fi-crypto-utils was found to contain malicious code.

Malicious versions

1 flagged
1.0.0

Indicators of compromise (SHA-256)

ab2f7c6973a364150020d9afb3bba24655aa9c52e49d945a00bff11e6c50bc27
e9ed8cc30500616c36f3301bfeb5ec377ea53456fdfcbcb8fa1993346cb64958

Detection & response playbook

Malicious package
  1. Find it

    Scan your lockfiles (package-lock.json, pnpm-lock.yaml, yarn.lock, requirements.txt, poetry.lock, etc.) and build artifacts for tensor-fi-crypto-utils (version 1.0.0). O3 Security's supply-chain scanner checks every dependency against known-malicious package intelligence at install time and in CI, flagging tensor-fi-crypto-utils across your stack and pipelines.

  2. If you installed it — respond

    Remove tensor-fi-crypto-utils 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 tensor-fi-crypto-utils 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 tensor-fi-crypto-utils 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. tensor-fi-crypto-utils on npm has been identified as a malicious package (version 1.0.0 flagged). It should be removed immediately — do not install or keep it in your dependency tree.

Campaign

RLMA-2025-05963

Credits

  • Amazon Inspector · finder
  • ReversingLabs · finder

Detect & block this

O3 blocks tensor-fi-crypto-utils-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.

tensor-fi-crypto-utils (npm) malicious package — MAL-2025-191597 | O3 Security