perfviewer

GHSA-x84m-cgq7-rgrx

Malicious code in perfviewer (PyPI)

Details

**Severity:** Critical

**Affected versions:** `= 14.2.5`

## Source: kam193 (ea912a2de677fa6d9ea6dbf9a792dace4d927efd46a5cb615ba8548fec4930e8)
During installation, code downloads and starts an executable and a DLL library. After starting them, files are removed from the disk. The executable has been recognized as AsyncRAT

This is a copy of legitimate "rich" package.


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


Campaign: 2025-11-perfviewer


Reasons (based on the campaign):


 - Downloads and executes a remote executable.


 - clones-real-package


 - malware

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Credit: [OpenSSF](https://github.com/ossf/malicious-packages) ([source](https://github.com/ossf/malicious-packages/blob/49d0cfba3689ed9b195d101d3a2a964c6a77f767/osv/malicious/pypi/perfviewer/MAL-2025-191814.json))

**References:**
- https://bad-packages.kam193.eu/pypi/package/perfviewer
- https://github.com/ossf/malicious-packages/blob/49d0cfba3689ed9b195d101d3a2a964c6a77f767/osv/malicious/pypi/perfviewer/MAL-2025-191814.json
- https://tria.ge/251116-1g5mwatmbp/behavioral1
- https://www.virustotal.com/gui/file/e0fab622ede574554c53134ab648995b141556dbc66e07b3fb1b6eeb3b890439/detection
- https://github.com/advisories/GHSA-x84m-cgq7-rgrx

Compromised versions (1)

= 14.2.5

Any computer that installed or ran a compromised version should be considered fully compromised. Rotate every secret on that machine from a clean environment.