With that information, I can help outline a safe analysis methodology, static/dynamic analysis steps, or a structured write-up template.
: To get a definitive result for your specific version of the file, upload it to VirusTotal for a multi-engine scan. cesu4650.exe
The combination of a non-standard name, lack of digital signature, and typical location in user temp folders makes cesu4650.exe a high-risk candidate. While it could theoretically be harmless, the potential damage (data theft, system slowdown, malware propagation) outweighs the benefits of keeping an unknown executable. With that information, I can help outline a
: Use tools like Autoruns to see if the file is scheduled to start automatically with Windows and disable it if found. While it could theoretically be harmless, the potential
cesu4650.exe is a functioning as a trojan downloader with anti-analysis techniques (packing, delays, process injection). It establishes persistence, communicates with a remote C2 server, and retrieves a second-stage stealer payload. Any system where this file has been executed should be considered fully compromised .