Did you just run into a download or a file on your computer that has a digital signature from Safer Technologies LLC? Some of the security products refers to the detected files as malicious_confidence_86% (D) and Adware.Zugo.145. The detection rate for the Safer Technologies LLC files collected here is 4%. Please read on for more details.
You will typically notice Safer Technologies LLC when running the file. The publisher name is displayed as the "Verified publisher" in the UAC dialog as the screengrab shows:

You can view the digital signature details for Safer Technologies LLC with the following procedure:
Here is a screenshot of a file signed by Safer Technologies LLC:

As you can see in the screengrab above, Windows reports that "This digital signature is OK". This implies that the file has been published by Safer Technologies LLC 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 Safer Technologies LLC, such as the street name, city and country.
VeriSign Class 3 Code Signing 2010 CA has issued the Safer Technologies LLC certificates. You can also see the details of the issuer by clicking the View Certificate button shown in the screencap above.
The following are the Safer Technologies LLC files I have gathered, thanks to the FreeFixer users.
| Detection Ratio | File Name |
|---|---|
| 2/55 | f_000a62 |
Here's the detection names for the Safer Technologies LLC files. I have grouped the detection names by each scanner engine. Thanks to VirusTotal for the scan results.
| Scanner | Detection Names |
|---|---|
| CrowdStrike | malicious_confidence_86% (D) |
| DrWeb | Adware.Zugo.145 |
The detection percentage is based on that I have collected 55 scan results for the Safer Technologies LLC files. 2 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 is based on certificates with the following serial numbers: