Did you just run into a file that is digitally signed by Tongfang Knowledge Network Technology (Beijing) Co.,Ltd.? If that's the case, please read on.
You will probably see Tongfang Knowledge Network Technology (Beijing) Co.,Ltd. when clicking to run the file. The publisher name is then displayed as the "Verified publisher" in the UAC dialog as the screenshot shows:
 Co.,Ltd..png)
You can view the digital signature details for Tongfang Knowledge Network Technology (Beijing) Co.,Ltd. with the following steps:
Here is a screenshot of a file digitally signed by Tongfang Knowledge Network Technology (Beijing) Co.,Ltd.:
 Co.,Ltd.-certificate.png)
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 Tongfang Knowledge Network Technology (Beijing) Co.,Ltd. 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 examine the address for Tongfang Knowledge Network Technology (Beijing) Co.,Ltd., such as the street name, city and country.
Thawte Code Signing CA has issued the Tongfang Knowledge Network Technology (Beijing) Co.,Ltd. certificates. You can also see the details of the issuer by clicking the View Certificate button shown in the screenshot above.
The following are the Tongfang Knowledge Network Technology (Beijing) Co.,Ltd. files I've gathered, thanks to the FreeFixer users.
| Detection Ratio | File Name |
|---|---|
| 0/54 | CAJSHost.exe |
The detection percentage is based on the fact that I have collected 54 scan results for the Tongfang Knowledge Network Technology (Beijing) Co.,Ltd. files. 0 of these scan reports came up with some sort of detection. You can view the full details of the scan results by examining the files listed above.
The analysis is based on certificates with the following serial numbers: