Malware in @malwguy/ecto-corsair-whisper-3d2a7c
The npm package @malwguy/ecto-corsair-whisper-3d2a7c contains malware that grants full system compromise to an outside entity. Any computer with this package installed or running should be considered fully compromised.
- Disclosed
- Last updated
- Blast radius
- Any system with the package installed or running
- Ecosystems
- Attack vectors
- Affected entities
- @malwguy/ecto-corsair-whisper-3d2a7c
The npm package @malwguy/ecto-corsair-whisper-3d2a7c was identified as containing malware by GitHub's security advisory system. Installation or execution of this package results in full system compromise.
According to the advisory, any computer that has this package installed or running should be considered fully compromised. All secrets and keys stored on affected computers should be rotated immediately from a different, uncompromised system.
While the package should be removed, the advisory notes that because full control of the computer may have been given to an outside entity, there is no guarantee that removing the package will remove all malicious software resulting from the installation.
The advisory was published on 2026-06-12 via GitHub's security advisory system.
Indicators of compromise
- Packages
- @malwguy/ecto-corsair-whisper-3d2a7c
Remediation
- Remove the package @malwguy/ecto-corsair-whisper-3d2a7c from all systems immediately
- Rotate all secrets, API keys, and credentials from a different, uncompromised computer
- Perform a full security audit and malware scan of any system that had this package installed
- Review system logs and network activity for signs of unauthorized access or data exfiltration
- Consider full system reimaging if the package was installed on production or sensitive systems
Sources
- GitHub Advisory GHSA-636m-vpq6-g454 · GitHub Advisory Database
Cite this entry
"Malware in @malwguy/ecto-corsair-whisper-3d2a7c." supplychainattack.org, Supply Chain Attack Incident Catalog. Disclosed June 12, 2026; last updated June 12, 2026. https://supplychainattack.org/incident/malware-in-malwguy-ecto-corsair-whisper-3d2a7c-hwq6i0
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