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OpenAdvisories
Malicious MAL-2026-3246

win-update-helper-tool-v2

PyPI package · versions 1.0.0

Reported May 3, 2026 · Updated May 3, 2026

If this package is installed

Remove it, treat the machine (or CI runner) as compromised, and rotate every secret, token and key it could access — from a different, clean machine.

Details

Source: kam193 (251972769752a77d15c86627fe078560c49ce79a47bcc4542128386eb5362342)
If run as a module, the code runs code to silently control the device via Telegram bot (execute commands, exfiltrate files).

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Category: MALICIOUS - The campaign has clearly malicious intent, like infostealers.

Campaign: 2026-05-system-update-tool

Reasons (based on the campaign):

- rat

- The package contains code to execute remote commands (probably limited to a specific set) on the victim's machine.

- files-exfiltration

- peristence-autorun

- persistence

- impersonation