Usoris Systems - 5% Detection Rate *

Did you just find a download or a file on your computer that is digitally signed by Usoris Systems? Some of the security products refers to the detected files as Unwanted-Program ( 004b99091 ) and RiskWare[RemoteAdmin:not-a-virus]/Win32.Agent. The detection rate for the Usoris Systems files collected here is 5%. Please read on for more details.

You will typically see Usoris Systems when clicking to run the file. The publisher name shows up as the "Verified publisher" in the UAC dialog as the screencap shows:

You can view the additional details from the Usoris Systems digital signature with the following procedure:

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

Here is a screenshot of a file that has been signed by Usoris Systems:

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 Usoris Systems and that no one has tampered with the file.

If you click the View Certificate button shown in the screenshot 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 examine the address for Usoris Systems, 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 Usoris Systems certificates. You can also examine the details of the issuer by clicking the View Certificate button shown in the screencap above.

Usoris Systems Files

These are the Usoris Systems files I've collected, thanks to the FreeFixer users.

Scanner and Detection Names

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

* How the Detection Percentage is Calculated

The detection percentage is based on that I've collected 212 scan results for the Usoris Systems files. 11 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:

• 67fd5aec0d8f9f6f1caa40589f568a0c
• 727fdd149c55bfa6c0eaa7cf024d49e4
• 2810859351b08906d00293c09a255a

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