Malicious Code Vulnerability in simple-file-omicron-function-decrypt Package
Summary
MAL-2025-189500: Malicious code in simple-file-omicron-function-decrypt (npm). Affected versions are not published. No fix is published. How to fix ↓
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Background
The simple-file-omicron-function-decrypt package is part of the npm ecosystem, typically used for file decryption functionalities. However, this package has been identified as part of a malicious campaign that aims to inflate developer reputation scores through the automatic generation and publication of derivative packages. This behavior compromises the integrity of the npm registry and poses significant risks to developers and users relying on this package.
Vulnerability Detail
The vulnerability originates from a malicious payload embedded within the simple-file-omicron-function-decrypt package. This payload modifies the package.json file to remove private flags, alters version numbers, and generates random package names, leading to the continuous republishing of variants. The ramifications include potential exposure of sensitive data, pollution of the npm registry, and undermining the trustworthiness of the ecosystem. The malicious code is linked to a broader campaign targeting npm packages to exploit developer incentives.
How To Fix
This package is malicious. Remove it and rotate any credentials it could have accessed.
npm uninstall simple-file-omicron-function-decryptIf it arrived as a transitive dependency, remove the package that pulled it in, then reinstall.
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Workaround
As a temporary workaround, you can remove the simple-file-omicron-function-decrypt package from your project until a secure version is released. You can do this by executing the following command: npm uninstall simple-file-omicron-function-decrypt.
Conclusion
The simple-file-omicron-function-decrypt package has been identified as containing malicious code that compromises the npm ecosystem. It is crucial for developers to be aware of such vulnerabilities and take immediate action to protect their applications. Regular monitoring and updates are essential to maintaining security.
See every vulnerability recorded for simple-file-omicron-function-decrypt →
FAQ
It is an npm package used for file decryption, but it has been compromised with malicious code.
The vulnerability can lead to the exposure of sensitive data and compromise the integrity of your application by polluting the npm registry.
You should uninstall the package immediately and monitor for any updates or patches that may be released.
You can use Vulert, which monitors and alerts in real-time for open-source vulnerabilities using just package-lock.json. You can check your application for this vulnerability using the Vulert playground without any signup.
Regularly update your dependencies, use tools like Vulert for monitoring, and review package sources before installation to minimize risks.
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