opera.exe is a program which is most likely NOT a virus or malware. So, if opera.exe is on your PC, it is most likely ok, and will NOT be a cause for concern. Even if your system is virus-free, it is still recommended to run a well-known antivirus with a good track record, in order to defend yourself against threats.
The default filename and folder where this program is stored is
C:\Users\UserName\AppData\Local\Programs\Opera\43.0.2442.1192_0\opera.exe.
The MD5 checksum for this file is 63296f5030fcc05964f3969439c0cb47.
This application does NOT run as a Windows service. This is normally a good sign.
This program uses the net to communicate. Today this is expected from a program. For example, most of the apps on your computer check for updates. For this, Internet communications are necessary.
This is a x64 executable. It uses the full capacity of modern CPUs.
The description present in the file is Opera Internet Browser.
File version 43.0.2442.1192.
Company name Opera Software.
Legal copyright Copyright Opera Software 2017.
opera.exe appears to have a visible user interface. This means it doesn't run in some kind of invisible mode. Its operation is clearly displayed to you.
Some unusual features of the Operating System appear to be used, such as functions for tapping the keyboard. We recommend you to read more about this program.
A digital certificate is missing from this program. The publisher did not bother to sign it. This is probably bad.
It has an uninstall routine, which is good. si are uninstall.