Did you just run into a download or a file on your computer that has a digital signature from CS Support Network Limited? Some of the security products refers to the detected files as Program.Unwanted.1353 and a variant of Win32/Adware.SpeedingUpMyPC.AS. The detection rate for the CS Support Network Limited files collected here is 7%. Please read on for more details.
You'll typically notice CS Support Network Limited when clicking to run the file. The publisher name is then displayed as the "Verified publisher" in the UAC dialog as the screenshot shows:

You can also view the CS Support Network Limited certificate with the following steps:
Here is a screenshot of a file signed by CS Support Network Limited:

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 CS Support Network Limited and that no one has tampered with the file.
If you click the View Certificate button shown in the screenshot 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 examine the address for CS Support Network Limited, such as the street name, city and country.
Go Daddy Secure Certificate Authority - G2 has issued the CS Support Network Limited certificates. You can also view the details of the issuer by clicking the View Certificate button shown in the screengrab above.
The following are the CS Support Network Limited files I have collected, thanks to the FreeFixer users.
| Detection Ratio | File Name |
|---|---|
| 4/57 | SMSchedule.exe |
Here's the detection names for the CS Support Network Limited files. I've grouped the detection names by each scanner engine. Thanks to VirusTotal for the scan results.
| Scanner | Detection Names |
|---|---|
| DrWeb | Program.Unwanted.1353 |
| ESET-NOD32 | a variant of Win32/Adware.SpeedingUpMyPC.AS |
| Fortinet | Riskware/SpeedingUpMyPC |
| Malwarebytes | PUP.Optional.StartupMaximizer |
The detection percentage is based on the fact that I've collected 57 scan reports for the CS Support Network Limited files. 4 of these scan reports came up with some sort of detection. You can view 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: