Did you just stumble upon a download or a file on your computer that has been digitally signed by Excellent Technology? Some of the security products refers to the detected files as Downloader.CBD and ADWARE/PullUpdate.Gen7. The detection rate for the Excellent Technology files collected here is 15%. Please read on for more details.
You will probably see Excellent Technology when clicking to run the file. The publisher name shows up as the "Verified publisher" in the UAC dialog as the screengrab shows:

You can also view the Excellent Technology certificate with the following procedure:
Here's a screengrab of a file digitally signed by Excellent Technology:

As you can see in the screencap above, Windows states that "This digital signature is OK". This implies that the file has been published by Excellent Technology and that no one has tampered with the file.
If you click the View Certificate button shown in the screengrab above, you can view 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 Excellent Technology, such as the street name, city and country.
Symantec Class 3 SHA256 Code Signing CA has issued the Excellent Technology certificates. You can also see the details of the issuer by clicking the View Certificate button shown in the screencap above.
These are the Excellent Technology files I've gathered, thanks to the FreeFixer users.
| Detection Ratio | File Name |
|---|---|
| 8/55 | ldbhealo.exe |
Here's the detection names for the Excellent Technology files. I've grouped the detection names by each scanner engine. Thanks to VirusTotal for the scan results.
| Scanner | Detection Names |
|---|---|
| AVG | Downloader.CBD |
| Avast | Win32:Adware-gen [Adw] |
| Avira | ADWARE/PullUpdate.Gen7 |
| DrWeb | Trojan.Yontoo.2621 |
| ESET-NOD32 | a variant of MSIL/Adware.PullUpdate.G.gen |
| Jiangmin | AdWare/MSIL.joc |
| Malwarebytes | PUP.Optional.BreakingNewsAlert |
| Rising | PE:Malware.RDM.32!5.26[F1] |
The detection percentage is based on the fact that I've collected 55 scan results for the Excellent Technology files. 8 of these scan reports came up with some sort of detection. If you like, you can review the full details of the scan reports by examining the files listed above.
The analysis is done on certificates with the following serial numbers: