Microsoft 3rd Party Application Component - 0% Detection Rate *

Did you just download a file that has been digitally signed by Microsoft 3rd Party Application Component and wonder if the file is safe? If that's the case, please read on.

You will probably notice Microsoft 3rd Party Application Component when double-clicking to run the file. The publisher name shows up as the "Verified publisher" in the UAC dialog as the screenshot shows:

Screenshot where Microsoft 3rd Party Application Component appears as the verified publisher in the UAC dialog

You can view additional details from the Microsoft 3rd Party Application Component certificate with the following steps:

  1. Open up Windows Explorer and locate the Microsoft 3rd Party Application Component file
  2. Right-click on the file and select Properties
  3. Click on the Digital Signatures tab
  4. Click on the View Certificate button

Here is a screencap of a file that has been digitally signed by Microsoft 3rd Party Application Component:

Screenshot of the Microsoft 3rd Party Application Component certificate

As you can see in the screenshot above, Windows reports that "This digital signature is OK". This implies that the file has been published by Microsoft 3rd Party Application Component and that the file has not been tampered with.

If you click the View Certificate button shown in the screengrab 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 view the address for Microsoft 3rd Party Application Component, such as the street name, city and country.

Microsoft Code Signing PCA 2011 has issued the Microsoft 3rd Party Application Component certificates. You can also see the details of the issuer by clicking the View Certificate button shown in the screencap above.

Microsoft 3rd Party Application Component Files

These are the Microsoft 3rd Party Application Component files I have collected, thanks to the FreeFixer users.

Detection RatioFile Name
0/72Update.exe
0/70Update.exe
0/73Update.exe
0/66Update.exe
0/74Update.exe
0/72Update.exe
0/68Update.exe
0/68Update.exe
0/69Update.exe
0/67inject_dll_amd64.exe

* How the Detection Percentage is Calculated

The detection percentage is based on the fact that I've collected 1933 scan reports for the Microsoft 3rd Party Application Component files. 0 of these scan results 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.

Analysis Details

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

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