Amazon Services LLC - 0.025% Detection Rate *

Did you just run into a file that is digitally signed by Amazon Services LLC? If that's the case, please read on.

You will typically see Amazon Services LLC when running the file. The publisher name is displayed as the "Verified publisher" in the UAC dialog as the screenshot shows:

Screenshot where Amazon Services LLC appears as the verified publisher in the UAC dialog

You can also view the Amazon Services LLC certificate with the following steps:

  1. Open up Windows Explorer and locate the Amazon Services LLC file
  2. Right-click on the file and select Properties
  3. Click the Digital Signatures tab
  4. Click the View Certificate button

Here is a screenshot of a file digitally signed by Amazon Services LLC:

Screenshot of the Amazon Services LLC certificate

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 Amazon Services LLC 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, etc. You can also see the address for Amazon Services LLC, such as the street name, city and country.

Symantec Class 3 SHA256 Code Signing CA and VeriSign Class 3 Code Signing 2010 CA has issued the Amazon Services LLC certificates. You can also examine the details of the issuer by clicking the View Certificate button shown in the screenshot above.

Amazon Services LLC Files

The following are the Amazon Services LLC files I have collected, thanks to the FreeFixer users.

The FreeFixer tool treats files from Amazon Services LLC as safe, which means that the Amazon Services LLC 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 Amazon Services LLC file(s). My guess is that those detections are false positives and that the files are safe. It is unlikely that Amazon Services LLC would ship a malware file.

Detection RatioFile Name
1/67Amazon Music Helper.exe
0/50AmazonAppIE64.dll
0/57Amazon1ButtonService64.Exe
0/58amazonAssistantService.exe
0/56Amazon1ButtonService64.Exe
0/56Amazon1ButtonService.Exe
0/53AMAZON~1.DLL
0/54AMAZON~2.DLL
0/46AmazonBrowserBar.3.0.dll
0/66aaMessenger.dll
0/50AMAZON~1.DLL

Scanner and Detection Names

Here's the detection names for the Amazon Services LLC files. I have grouped the detection names by each scanner engine. Thanks to VirusTotal for the scan results.

As mentioned above, I think these detections are incorrect since it is very unlikely that Amazon Services LLC would ship a malware file.

ScannerDetection Names
Antiy-AVLTrojan/Win32.Zpevdo

* How the Detection Percentage is Calculated

The detection percentage is based on the fact that I've collected 3950 scan reports for the Amazon Services LLC files. 1 of these scan reports came up with some sort of detection. If you like, you can review the full details of the scan results by examining the files listed above.

Analysis Details

The analysis is based on certificates with the following serial numbers:

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