MALICIOUS (1) package from Python Package Index.

1. The campaign has clearly malicious intent, like infostealers.

envtoolsx

Affected versions: (1) 1.0.0

1. Version numbers are usually added automatically. In most cases, the packages listed here were created only to distribute malicious code.

Campaign data

Campaign information may not always be 100% accurate for every related package.

Campaign description

Importing the module, downloads and starts a malicious executable identified as infostealer.

Based on Telegram links, this is related to the 2025-12-synium campaign, but uses slightly different techniques.

See more details on the campaign page.

infostealer

Activity is typical for information stealers, i.e. by exfiltrate various sensitive data from the victim's environment.

malware

Package contains or installs known malware.

remote_executable

Downloads and executes a remote executable.

Look up in other services

• Check metadata in pypi-data project (1)
• Search for the package in deps.dev(2)
• Search for the package in socket.dev (3)
• Search for the package in secure.software (4)
• Search for the package in Snyk Advisor (5)

1. May not be available. See more in pypi-json-data repository.
2. Open Source Insights project, provided by Google.
3. Service from Socket.dev, a cybersecurity company.
4. Spectra Assure Community, a service from ReversingLabs, a cybersecurity company.
5. Service from Snyk, a cybersecurity company.