Malicious code in tppywproofcpu (PyPI)

tppywproofcpu Updated 02 Oct 2025

Summary

26/02/2023
CRITICAL
No i
Critical
Not published

MAL-2023-7491: Malicious code in tppywproofcpu (PyPI). Affected versions are not published. No fix is published. How to fix ↓

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Background

The tppywproofcpu package is an open-source Python package available on PyPI. It is designed to provide proof of work functionality for CPU-based mining. The package is commonly used in cryptocurrency mining applications and other CPU-intensive tasks. Unfortunately, this package has been found to contain malicious code, which poses a significant security risk to users.

Vulnerability Detail

The tppywproofcpu package has been identified as containing malicious code by the EsqueleSquad group. This group has published nearly 6000 malicious PyPi and NPM packages, including tppywproofcpu, which execute spyware and information-stealing malware. The malicious code can compromise the security and privacy of users' systems, leading to potential data breaches and unauthorized access to sensitive information.

How To Fix

This package is malicious. Remove it and rotate any credentials it could have accessed.

pip uninstall tppywproofcpu

If it arrived as a transitive dependency, remove the package that pulled it in, then reinstall.

Tip — Not sure whether your app is affected? Vulert can check the versions your app actually runs. Scan free →

Workaround

There is no known workaround for this vulnerability. It is essential to remove the tppywproofcpu package and follow the recommended steps to ensure the security of your system.

Conclusion

The tppywproofcpu package on PyPI has been found to contain malicious code, posing a significant security risk to users. It is crucial to remove this package from your Python environment and take appropriate measures to ensure the security of your system. For further support and guidance on vulnerability remediation, please contact DevNack.com.

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FAQ

You can use the Vulert Playground at Vulert Scanner to check if your application is affected by this vulnerability. Simply input your Pipfile.lock file, and Vulert will analyze it for any open-source vulnerabilities, including the malicious tppywproofcpu package.

The malicious code in the tppywproofcpu package can lead to various consequences, including unauthorized access to sensitive information, data breaches, and the installation of additional malware on affected systems. It is crucial to take immediate action to mitigate these risks.

Yes, you can continue using other packages from PyPI. However, it is essential to regularly update and monitor the packages you use to ensure they are free from vulnerabilities. Additionally, consider using tools like Vulert to proactively identify and address any potential security risks.

To remove the tppywproofcpu package, you can use the following command:

pip uninstall tppywproofcpu

If you suspect your system has been compromised due to the tppywproofcpu package, it is recommended to disconnect from the network, run a full system scan using reliable antivirus software, and consult with a cybersecurity professional for further assistance.

How To Fix

This package is malicious. Remove it and rotate any credentials it could have accessed.

pip uninstall tppywproofcpu

If it arrived as a transitive dependency, remove the package that pulled it in, then reinstall.

Tip — Not sure whether your app is affected? Vulert can check the versions your app actually runs. Scan free →

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