Did you just find a download or a file on your computer that has been digitally signed by Opera Software AS? If so, please read on.
You will probably notice Opera Software AS when running the file. The publisher name shows up as the "Verified publisher" in the UAC dialog as the screengrab shows:
You can view the digital signature details for Opera Software AS with the following steps:
Here's a screengrab of a file signed by Opera Software AS:
As you can see in the screenshot above, Windows states that "This digital signature is OK". This means that the file has been published by Opera Software AS and that the file has not been tampered with.
If you click the View Certificate button shown in the screencap above, you can see all the details of the certificate, such as when it was issued, who issued the certificate, how long it is valid, etc. You can also examine the address for Opera Software AS, such as the street name, city and country.
DigiCert EV Code Signing CA (SHA2) has issued the Opera Software AS certificates. You can also view the details of the issuer by clicking the View Certificate button shown in the screenshot above.
The following are the Opera Software AS files I have collected, thanks to the FreeFixer users.
Detection Ratio | File Name |
---|---|
1/64 | OperaSetup.exe |
1/66 | OperaSetup.exe |
2/70 | drb0bxui.dgp.exe |
1/73 | launcher.exe |
1/64 | opera.exe |
1/66 | opera.exe |
1/69 | OperaSetup.exe |
1/69 | browser_assistant.exe |
2/73 | OperaSetup.exe |
1/72 | browser_assistant.exe |
2/70 | OperaSetup.exe |
0/62 | browser_assistant.exe |
0/61 | assistant_installer.exe |
0/55 | launcher.exe |
0/56 | launcher.exe |
0/58 | launcher.exe |
0/65 | opera.exe |
0/62 | opera.exe |
0/60 | opera.exe |
0/58 | launcher.exe |
Here is the detection names for the Opera Software AS files. I've grouped the detection names by each scanner engine. Thanks to VirusTotal for the scan results.
Scanner | Detection Names |
---|---|
Antiy-AVL | Trojan/Win32.GenKryptik, GrayWare/Win32.Wacapew, Trojan/Win32.AGeneric |
BitDefenderTheta | Gen:NN.ZexaF.31176.PQ1@a47U5YAP |
ClamAV | Win.Malware.Agen-9774554-0 |
Cylance | Unsafe |
eGambit | Unsafe.AI_Score_92% |
The detection percentage is based on that I've collected 17657 scan reports for the Opera Software AS files. 14 of these scan results came up with some sort of detection. You can review the full details of the scan reports by examining the files listed above.
The analysis has been done on certificates with the following serial numbers: