Did you just run into a download or a file on your computer that has a digital signature from Macecraft Software? If so, please read on.
You will typically see Macecraft Software when running the file. The publisher name shows up as the "Verified publisher" in the UAC dialog as the screenshot shows:

You can also view the Macecraft Software certificate with the following steps:
Here's a screenshot of a file signed by Macecraft Software:

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 Macecraft Software and that no one has tampered with the file.
If you click the View Certificate button shown in the screengrab 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 see the address for Macecraft Software, such as the street name, city and country.
COMODO Code Signing CA 2 has issued the Macecraft Software 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 Macecraft Software files I've gathered, thanks to the FreeFixer users.
| Detection Ratio | File Name |
|---|---|
| 1/57 | StartupOptimizer.exe |
| 1/56 | StartupOptimizer.exe |
Here is the detection names for the Macecraft Software files. I have grouped the detection names by each scanner engine. Thanks to VirusTotal for the scan results.
| Scanner | Detection Names |
|---|---|
| Rising | PE:AdWare.Win32.InstallCore.i!1075350952 |
The detection percentage is based on the fact that I've gathered 170 scan reports for the Macecraft Software files. 2 of these scan results came up with some sort of detection. If you like, 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: