Did you just find a file that has a digital signature from Malwarebytes? If that's the case, please read on.
You'll typically see Malwarebytes when running the file. The publisher name shows up as the "Verified publisher" in the UAC dialog as the screengrab shows:

You can view the digital signature details for Malwarebytes with the following steps:
Here's a screengrab of a file digitally signed by Malwarebytes:

As you can see in the screengrab above, Windows states that "This digital signature is OK". This means that the file has been published by Malwarebytes and that no one has tampered with the file.
If you click the View Certificate button shown in the screencap 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 Malwarebytes, such as the street name, city and country.
DigiCert Assured ID Code Signing CA-1 and UTN-USERFirst-Object has issued the Malwarebytes certificates. You can also examine the details of the issuer by clicking the View Certificate button shown in the screengrab above.
These are the Malwarebytes files I have gathered, thanks to the FreeFixer users.
The FreeFixer tool treats files from Malwarebytes as trusted, which means that the Malwarebytes files will appear with a green background and that there's no removal checkbox for the file. However, as you can see in the scan results below, a few of the anti-virus scanners detects the Malwarebytes file(s). My guess is that those detections are false positives and that the files are safe. It is unlikely that Malwarebytes would ship a malware file.
| Detection Ratio | File Name |
|---|---|
| 0/57 | mbamswissarmy.sys |
| 0/54 | mbamservice.exe |
The detection percentage is based on the fact that I've collected 111 scan results for the Malwarebytes 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 results by examining the files listed above.
The analysis is done on certificates with the following serial numbers: