Open Task Manager ( Ctrl+Shift+Esc ) and look for unusual background processes with random names or high CPU usage.
Typically contains a single executable file (like .exe , .vbs , or .js ) disguised as a document or invoice. sc22955-GOIWBF.rar
If you have already opened the file, disconnect from the internet and run a full system scan with a reputable antivirus like Malwarebytes or Microsoft Defender . Open Task Manager ( Ctrl+Shift+Esc ) and look