Onusman_2022-10-31_update.zip Apr 2026

Disconnect the affected machine from the network immediately.

Data is typically compressed and sent via HTTP/HTTPS POST requests. Onusman_2022-10-31_update.zip

Creation of keys in \Software\Onusman or similar strings. Remediation Steps Disconnect the affected machine from the network immediately

The file is associated with a specific campaign involving the Onusman (also known as OnuSman or OnuSman-Stealer) malware . This particular update surfaced around late October 2022, primarily targeting Windows environments to exfiltrate sensitive data. Executive Summary Remediation Steps The file is associated with a

Scans for browser extensions and local files related to cryptocurrency wallets (e.g., MetaMask, Binance).

If the file was executed, assume all credentials stored on that machine are compromised. Change passwords for email, banking, and corporate accounts from a clean device.

Collects IP addresses, hardware specs, OS versions, and screenshots of the active desktop. 3. Exfiltration and C2