Did you just find a download or a file on your computer that is digitally signed by 上海快屏网?科技有限公司? Some of the security products refers to the detected files as ApplicUnwnt and a variant of Win64/Adware.Haoptex.A. The detection rate for the 上海快屏网?科技有限公司 files collected here is 5%. Please read on for more details.
You will probably see 上海快屏网?科技有限公司 when double-clicking to run the file. The publisher name shows up as the "Verified publisher" in the UAC dialog as the screenshot shows:

You can also view the 上海快屏网?科技有限公司 certificate with the following steps:
Here's a screenshot of a file signed by 上海快屏网?科技有限公司:

As you can see in the screenshot above, Windows states that "This digital signature is OK". This implies that the file has been published by 上海快屏网?科技有限公司 and that the file has not been tampered with.
If you click the View Certificate button shown in the screenshot 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 see the address for 上海快屏网?科技有限公司, such as the street name, city and country.
VeriSign Class 3 Code Signing 2010 CA has issued the 上海快屏网?科技有限公司 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 上海快屏网?科技有限公司 files I have collected, thanks to the FreeFixer users.
| Detection Ratio | File Name |
|---|---|
| 1/54 | uninst.exe |
| 4/54 | ShProcestDll64.dll |
Here's the detection names for the 上海快屏网?科技有限公司 files. I have grouped the detection names by each scanner engine. Thanks to VirusTotal for the scan results.
| Scanner | Detection Names |
|---|---|
| Comodo | ApplicUnwnt |
| ESET-NOD32 | a variant of Win64/Adware.Haoptex.A |
| K7GW | Unwanted-File ( 6b49d2001 ) |
| Qihoo-360 | Trojan.Generic |
| Tencent | Win64.Adware.Haoptex.Hqux |
The detection percentage is based on the fact that I've gathered 108 scan reports for the 上海快屏网?科技有限公司 files. 5 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: