Did you just run into a file that has been digitally signed by Touchizen? If so, please read on.
You will typically notice Touchizen when clicking to run the file. The publisher name is displayed as the "Verified publisher" in the UAC dialog as the screencap shows:

You can view additional details from the Touchizen certificate with the following procedure:
Here is a screenshot of a file that has been signed by Touchizen:

As you can see in the screenshot above, Windows reports that "This digital signature is OK". This implies that the file has been published by Touchizen and that the file has not been tampered with.
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, etc. You can also view the address for Touchizen, such as the street name, city and country.
Thawte Code Signing CA - G2 has issued the Touchizen certificates. You can also view the details of the issuer by clicking the View Certificate button shown in the screenshot above.
These are the Touchizen files I have gathered, thanks to the FreeFixer users.
| Detection Ratio | File Name |
|---|---|
| 0/56 | pcaredir.sys |
| 0/57 | pcaredir.sys |
The detection percentage is based on that I've gathered 113 scan results for the Touchizen files. 0 of these scan reports came up with some sort of detection. If you like, you can view the full details of the scan reports by examining the files listed above.
The analysis is done on certificates with the following serial numbers: