Did you just find a download or a file on your computer that has a digital signature from Hirtal Developments Ltd.? Some of the security products refers to the detected files as AdLoad.OpenCandy and a variant of Win32/OpenCandy.C. The detection rate for the Hirtal Developments Ltd. files collected here is 7%. Please read on for more details.
You will typically notice Hirtal Developments 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:

You can view additional details from the Hirtal Developments Ltd. certificate with the following steps:
Here is a screencap of a file signed by Hirtal Developments Ltd.:

As you can see in the screenshot above, Windows reports that "This digital signature is OK". This means that the file has been published by Hirtal Developments Ltd. and that no one has tampered with the file.
If you click the View Certificate button shown in the screenshot above, you can examine 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 Hirtal Developments Ltd., such as the street name, city and country.
VeriSign Class 3 Code Signing 2010 CA has issued the Hirtal Developments Ltd. certificates. You can also examine the details of the issuer by clicking the View Certificate button shown in the screenshot above.
The following are the Hirtal Developments Ltd. files I have collected, thanks to the FreeFixer users.
| Detection Ratio | File Name |
|---|---|
| 4/57 | TaskForceQuitProSetup.exe |
Here's the detection names for the Hirtal Developments Ltd. files. I have grouped the detection names by each scanner engine. Thanks to VirusTotal for the scan results.
| Scanner | Detection Names |
|---|---|
| AVG | AdLoad.OpenCandy |
| ESET-NOD32 | a variant of Win32/OpenCandy.C |
| McAfee | Artemis!71D8059568A6 |
| McAfee-GW-Edition | Artemis!PUP |
The detection percentage is based on that I have collected 57 scan results for the Hirtal Developments Ltd. files. 4 of these scan results 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 has been done on certificates with the following serial numbers: