Skype Technologies SA - 0.189% Detection Rate *

Did you just download a file that has been digitally signed by Skype Technologies SA and wonder if the file is safe? If that's the case, please read on.

You will typically notice Skype Technologies SA when double-clicking to run the file. The publisher name is displayed as the "Verified publisher" in the UAC dialog as the screenshot shows:

You can view the digital signature details for Skype Technologies SA with the following steps:

1. Open Windows Explorer and locate the Skype Technologies SA file
2. Right-click the file and select Properties
3. Click the Digital Signatures tab
4. Click the View Certificate button

Here's a screenshot of a file that has been signed by Skype Technologies SA:

As you can see in the screenshot above, the Windows OS states that "This digital signature is OK". This means that the file has been published by Skype Technologies SA and that no one has tampered with the file.

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 view the address for Skype Technologies SA, such as the street name, city and country.

VeriSign Class 3 Code Signing 2009-2 CA, VeriSign Class 3 Code Signing 2010 CA and VeriSign Class 3 Code Signing 2004 CA has issued the Skype Technologies SA certificates. You can also examine the details of the issuer by clicking the View Certificate button shown in the screencap above.

Skype Technologies SA Files

The following are the Skype Technologies SA files I've gathered, thanks to the FreeFixer users.

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

Scanner and Detection Names

Here is the detection names for the Skype Technologies SA files. I've 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 Skype Technologies SA would ship a malware file.

* How the Detection Percentage is Calculated

The detection percentage is based on the fact that I have collected 1589 scan results for the Skype Technologies SA files. 3 of these scan results came up with some sort of detection. You can review 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:

• 4b4749f0d7a0225bb2c32a2a65536305
• 200a7d1c4c0ef383111d1c1ce02c9608
• 4713af8ee9628f42cb0382f03588cf61
• 7ab923bdde80bf476047b5f39b44ea4d

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