Did you just download a file that has a digital signature from Youku.com Inc. and wonder if the file is safe? If that's the case, please read on.
You will typically see Youku.com Inc. when running the file. The publisher name is then displayed as the "Verified publisher" in the UAC dialog as the screenshot shows:

You can view additional details from the Youku.com Inc. certificate with the following procedure:
Here is a screenshot of a file that has been digitally signed by Youku.com Inc.:

As you can see in the screenshot above, Windows reports that "This digital signature is OK". This means that the file has been published by Youku.com Inc. and that the file has not been tampered with.
If you click the View Certificate button shown in the screenshot above, you can examine all the details of the certificate, such as when it was issued, who issued the certificate, how long it is valid, and so on. You can also see the address for Youku.com Inc., such as the street name, city and country.
WoSign Code Signing Authority has issued the Youku.com Inc. certificates. You can also view the details of the issuer by clicking the View Certificate button shown in the screengrab above.
These are the Youku.com Inc. files I have gathered, thanks to the FreeFixer users.
| Detection Ratio | File Name |
|---|---|
| 1/41 | YouKuDesktopShell.dll |
| 0/43 | ikutm.dll |
| 0/44 | ikutm.dll |
| 0/43 | ikutm.dll |
| 0/43 | ikutm.dll |
Here's the detection names for the Youku.com Inc. files. I have grouped the detection names by each scanner engine. Thanks to VirusTotal for the scan results.
| Scanner | Detection Names |
|---|---|
| Symantec | WS.Reputation.1 |
The detection percentage is based on the fact that I have gathered 266 scan reports for the Youku.com Inc. files. 1 of these scan reports came up with some sort of detection. If you like, you can review the full details of the scan results by examining the files listed above.
The analysis is based on certificates with the following serial numbers: