Sophos Ltd - 0% Detection Rate *

Did you just stumble upon a download or a file on your computer that is digitally signed by Sophos Ltd? If so, please read on.

You will typically notice Sophos Ltd 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 Sophos Ltd appears as the verified publisher in the UAC dialog

You can also view the Sophos Ltd certificate with the following procedure:

  1. Open Windows Explorer and locate the Sophos Ltd 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 digitally signed by Sophos Ltd:

Screenshot of the Sophos Ltd 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 Sophos Ltd 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 examine the address for Sophos Ltd, such as the street name, city and country.

DigiCert EV Code Signing CA (SHA2) and DigiCert Assured ID Code Signing CA-1 has issued the Sophos Ltd certificates. You can also view the details of the issuer by clicking the View Certificate button shown in the screenshot above.

Sophos Ltd Files

These are the Sophos Ltd files I've gathered, thanks to the FreeFixer users.

Detection RatioFile Name
0/68savonaccess.sys
0/69SOPHOS~1.DLL
0/69SEDService.exe
0/71savonaccess.sys
0/67swi_fc.exe
0/67hmpalert.dll
0/69hmpalert.dll
0/72sntp.sys
0/70hmpalert.dll
0/66sntp.sys

* How the Detection Percentage is Calculated

The detection percentage is based on the fact that I have gathered 1565 scan reports for the Sophos Ltd files. 0 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 has been done on certificates with the following serial numbers:

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