Right-click the file and select Properties . Look at the Details tab for a "Product Name," "Copyright," or "Digital Signatures". Genuine software from companies like Microsoft, Adobe, or Google will almost always be digitally signed. Verify File Location:

Many legitimate installers generate randomized .exe names (e.g., asb28ds.exe ) during the setup process of a program and delete them once finished.

If it's in C:\Windows or C:\Windows\System32 and lacks a digital signature.

Upload the file to VirusTotal to check it against over 70 different antivirus engines. This is the fastest way to see if it has been flagged as malicious by the security community.