Which versions of @quantixfinance/contracts are malicious?

The following npm versions of @quantixfinance/contracts are flagged malicious: 1.0.0. Treat any of these as compromised.

How do I remediate @quantixfinance/contracts if I installed it?

@quantixfinance/contracts is built to steal secrets, so assume every credential the build or runtime could read is compromised. Remove it from your project and lockfile, then rotate ALL exposed secrets — npm/registry tokens, cloud keys, CI/CD secrets, SSH keys, and any .env values — from a known-clean machine. Audit logs for unauthorized use of those credentials.

I already installed @quantixfinance/contracts — how do I know if it already compromised me?

If @quantixfinance/contracts 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.

Is @quantixfinance/contracts part of a known attack campaign?

Yes — @quantixfinance/contracts is associated with the IN-MAL-2026-019369 campaign. Packages in the same campaign often share infrastructure and payloads, so check whether any related packages are also in your dependency tree.

How do I find @quantixfinance/contracts across my projects, lockfiles, and CI pipelines?

Search your lockfiles and build artifacts for @quantixfinance/contracts (version 1.0.0).

Part of a larger attack: @quantixfinance published 10 malicious packages. See the full campaign →

Malicious package

@quantixfinance/contractsnpm

Advisory published Sep 3, 2026Updated Sep 3, 2026

@quantixfinance/contracts is a confirmed malicious npm package (MAL-2026-15851) that steals credentials and exfiltrates sensitive data (malicious version 1.0.0). Do not install it — remove it immediately and rotate any exposed credentials.

Malicious code in @quantixfinance/contracts (npm)

MAL-2026-15851

Immediate action

Remove the package, then rotate any secrets the build/runtime could reach.

npm uninstall @quantixfinance/contracts

What this malware does

The package's preinstall lifecycle script iterates process.env and filters keys for credential-shaped substrings (key, secret, token, pass, mnemonic, seed, private, wallet, rpc, infura, alchemy, api), attaches os.hostname(), process.cwd() and process.version, and POSTs the resulting JSON to a hardcoded remote host. The destination is written as an integer literal (759017974, decoding to 45.61.177.246) on port 61289 to evade string-based scanners. The package advertises itself as a contracts/ABI library and has no legitimate need to read or transmit environment secrets or host identifiers.

Malicious versions

1 flagged

1.0.0

Indicators of compromise (SHA-256)

497edc9bba37d0fd2fb3de0fccd537904ae37848535519f4d334c38d8b59d3bf

Detection & response playbook

Credential / info stealer

Find it
Search your lockfiles and build artifacts for @quantixfinance/contracts (version 1.0.0).
If you installed it — respond
@quantixfinance/contracts is built to steal secrets, so assume every credential the build or runtime could read is compromised. Remove it from your project and lockfile, then rotate ALL exposed secrets — npm/registry tokens, cloud keys, CI/CD secrets, SSH keys, and any .env values — from a known-clean machine. Audit logs for unauthorized use of those credentials.
Did it already run?
If @quantixfinance/contracts 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. @quantixfinance/contracts 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

IN-MAL-2026-019369

References

npmjs.com

Credits

Amazon Inspector · finder

Detect & block this

O3 blocks @quantixfinance/contracts-class packages before install and in CI — and if it already ran, its runtime egress monitoring catches the credential exfiltration and severs the channel.

Malware detection Runtime egress monitoring

Explore

All malware advisories How O3 detects malware Vulnerability database