Qustodio Technologies SL - 0% Detection Rate *

Did you just find a download or a file on your computer that is digitally signed by Qustodio Technologies SL? If that's the case, please read on.

You'll typically notice Qustodio Technologies SL when clicking to run the file. The publisher name shows up as the "Verified publisher" in the UAC dialog as the screenshot shows:

Screenshot where Qustodio Technologies SL appears as the verified publisher in the UAC dialog

You can also view the Qustodio Technologies SL certificate with the following steps:

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

Here's a screenshot of a file that has been signed by Qustodio Technologies SL:

Screenshot of the Qustodio Technologies SL certificate

As you can see in the screenshot above, Windows reports that "This digital signature is OK". This means that the file has been published by Qustodio Technologies SL 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 see the address for Qustodio Technologies SL, such as the street name, city and country.

VeriSign Class 3 Code Signing 2010 CA and Symantec Class 3 SHA256 Code Signing CA has issued the Qustodio Technologies SL certificates. You can also view the details of the issuer by clicking the View Certificate button shown in the screencap above.

Qustodio Technologies SL Files

These are the Qustodio Technologies SL files I've collected, thanks to the FreeFixer users.

Detection RatioFile Name
0/49qproxy64.dll
0/53qproxy.dll
0/50qproxy64.dll
0/54qproxy64.dll
0/57qproxy64.dll
0/53qproxy64.dll
0/52qwd.sys
0/49qproxy64.dll
0/54qproxy.dll
0/72qwd.sys

* How the Detection Percentage is Calculated

The detection percentage is based on that I have gathered 543 scan reports for the Qustodio Technologies SL files. 0 of these scan reports came up with some sort of detection. 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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