Zoom Video Communications, Inc. - 0.276% Detection Rate *

Did you just download a file that has been digitally signed by Zoom Video Communications, Inc. and wonder if the file is safe? If so, please read on.

You will typically notice Zoom Video Communications, Inc. when clicking to run the file. The publisher name is then displayed as the "Verified publisher" in the UAC dialog as the screenshot shows:

Screenshot where Zoom Video Communications, Inc. appears as the verified publisher in the UAC dialog

You can view the digital signature details for Zoom Video Communications, Inc. with the following procedure:

  1. Open up Windows Explorer and locate the Zoom Video Communications, Inc. file
  2. Right-click on the file and select Properties
  3. Click the Digital Signatures tab
  4. Click on the View Certificate button

Here is a screenshot of a file that has been digitally signed by Zoom Video Communications, Inc.:

Screenshot of the Zoom Video Communications, Inc. certificate

As you can see in the screencap above, Windows reports that "This digital signature is OK". This means that the file has been published by Zoom Video Communications, Inc. 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, and so on. You can also examine the address for Zoom Video Communications, Inc., such as the street name, city and country.

Go Daddy Secure Certification Authority, DigiCert EV Code Signing CA (SHA2) and DigiCert EV Code Signing CA has issued the Zoom Video Communications, Inc. certificates. You can also view the details of the issuer by clicking the View Certificate button shown in the screenshot above.

Zoom Video Communications, Inc. Files

These are the Zoom Video Communications, Inc. files I've collected, thanks to the FreeFixer users.

Detection RatioFile Name
2/56Zoom_launcher.exe
1/70zm8511.tmp
0/65zCrashReport.dll
0/56Zoom.exe
0/69CptInstall.exe
0/73Zoom.exe
0/65CptShare.dll
0/66zCrashReport.dll
0/71CptService.exe
0/69CptService.exe

Scanner and Detection Names

Here's the detection names for the Zoom Video Communications, Inc. files. I have grouped the detection names by each scanner engine. Thanks to VirusTotal for the scan results.

ScannerDetection Names
Antiy-AVLGrayWare/Win32.Presenoker
ByteHeroTrojan-Downloader.win32.Small.gen.105
ZillyaAdware.OutBrowse.Win32.58665

* How the Detection Percentage is Calculated

The detection percentage is based on the fact that I have collected 1087 scan results for the Zoom Video Communications, Inc. files. 3 of these scan results came up with some sort of detection. You can view the full details of the scan reports by examining the files listed above.

Analysis Details

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

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