: If the file is not flagged but you don't recognize it, it is likely a "fragment" download—a file that failed to complete or was a temporary "blob" used by a website to deliver content. These are safe to delete if they aren't tied to a program you are currently installing.
: If it’s in your Downloads folder, check your browser history to see what you were downloading at that exact time. If it’s in a Temp directory (like AppData\Local\Temp ), it was likely created by a background process. download140188a87ed6ff269f
: Upload the file (or its hash) to VirusTotal . This service scans the file against over 70 different antivirus engines. If multiple engines flag it as "Trojan," "Adware," or "Downloader," delete it immediately. : If the file is not flagged but