Did you just find a download or a file on your computer that is digitally signed by Harmaton Limited? Some of the security products refers to the detected files as BackDoor.CoreBot.22 and Suspicious_GEN.F47V0425. The detection rate for the Harmaton Limited files collected here is 3%. Please read on for more details.
You will typically notice Harmaton Limited when running the file. The publisher name is displayed as the "Verified publisher" in the UAC dialog as the screenshot shows:

You can also view the Harmaton Limited certificate with the following steps:
Here's a screenshot of a file digitally signed by Harmaton Limited:

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 Harmaton Limited 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, and so on. You can also see the address for Harmaton Limited, such as the street name, city and country.
thawte SHA256 Code Signing CA has issued the Harmaton Limited 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 Harmaton Limited files I've gathered, thanks to the FreeFixer users.
| Detection Ratio | File Name |
|---|---|
| 1/67 | butldsk.sys |
| 3/67 | butldsk.sys |
Here's the detection names for the Harmaton Limited files. I have grouped the detection names by each scanner engine. Thanks to VirusTotal for the scan results.
| Scanner | Detection Names |
|---|---|
| DrWeb | BackDoor.CoreBot.22 |
| TrendMicro-HouseCall | Suspicious_GEN.F47V0425 |
| Webroot | W32.Adware.Installcore |
The detection percentage is based on that I've gathered 134 scan reports for the Harmaton Limited files. 4 of these scan reports 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: