Malicious code in tpreplacevirtual (PyPI)

tpreplacevirtual Updated 02 Oct 2025

Summary

25/02/2023
CRITICAL
No i
Critical
Not published

MAL-2023-7566: Malicious code in tpreplacevirtual (PyPI). Affected versions are not published. No fix is published. How to fix ↓

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Background

The tpreplacevirtual package is an open-source Python package available on PyPI. It is used for virtual environment management and provides functionality to replace virtual environments. The package is widely used in Python projects for managing virtual environments and ensuring project isolation. However, the package has been found to contain malicious code, which poses a significant security risk to users.

Vulnerability Detail

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

How To Fix

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

pip uninstall tpreplacevirtual

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 tpreplacevirtual package and follow the recommended steps to ensure the security of your system.

Conclusion

The tpreplacevirtual package on PyPI has been found to contain malicious code, posing a significant security risk to users. It is crucial to remove the package from your Python environment and take appropriate measures to mitigate the impact of the malware. For further support on vulnerability remediation, you can reach out to 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 provide your Pipfile.lock file, and Vulert will analyze it for any open-source vulnerabilities, including the tpreplacevirtual package.

The malicious code in the tpreplacevirtual package can lead to unauthorized access, data breaches, and the theft of sensitive information. It is crucial to take immediate action to remove the package and mitigate the impact of the malware.

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

pip uninstall tpreplacevirtual

Yes, there are several alternative packages available for virtual environment management in Python. Some popular options include virtualenv, pipenv, and conda. It is recommended to choose a trusted and well-maintained package from PyPI.

To ensure the security of your Python projects, it is essential to follow best practices such as regularly updating your packages, using trusted sources for package installation, and scanning your code and dependencies for vulnerabilities. Additionally, consider using security tools like Vulert to monitor and alert for open-source vulnerabilities in real-time.

How To Fix

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

pip uninstall tpreplacevirtual

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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