MALICIOUS (1) package from Python Package Index.

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

polymarket-data

Affected versions: (1) 2.0.0, 2.0.1

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

The package attempts to exfiltrate sensitive data related to cryptocurrencies and API keys, as well as establish persistence. Likely related to 2026-05-polymarket-data-fetcher.

See more details on the campaign page.

crypto-related

Malicious activity is related to cryptocurrencies or blockchain, e.g. stealing crypto wallets.

exfiltration_credentials

The package attempts to steal credentials, like passwords or API keys.

exfiltration_crypto

The package attempts to steal sensitive cryptocurrency-related data, like wallet keys.

persistence

Campaign targets persistence.

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.