DT Soft Ltd - 0.131% Detection Rate *

Did you just run into a download or a file on your computer that has been digitally signed by DT Soft Ltd? If so, please read on.

You will probably notice DT Soft Ltd when double-clicking to run the file. The publisher name shows up as the "Verified publisher" in the UAC dialog as the screenshot shows:

Screenshot where DT Soft Ltd appears as the verified publisher in the UAC dialog

You can also view the DT Soft Ltd certificate with the following procedure:

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

Here is a screengrab of a file that has been digitally signed by DT Soft Ltd:

Screenshot of the DT Soft Ltd certificate

As you can see in the screenshot above, Windows reports that "This digital signature is OK". This implies that the file has been published by DT Soft Ltd and that the file has not been tampered with.

If you click the View Certificate button shown in the screenshot above, you can see 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 DT Soft Ltd, such as the street name, city and country.

VeriSign Class 3 Code Signing 2009-2 CA has issued the DT Soft Ltd certificates. You can also see the details of the issuer by clicking the View Certificate button shown in the screenshot above.

DT Soft Ltd Files

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

Detection RatioFile Name
1/51DTLite.exe
1/54DTCommonRes.dll
1/57DTSetupHelper.exe
1/54Engine.dll
0/49dtsoftbus01.sys
0/50DTAgent.exe
0/47dtsoftbus01.sys
0/43DTToolbar64.dll
0/50dtsoftbus01.sys
0/46dtsoftbus01.sys
0/48dtsoftbus01.sys
0/46DTHelper.exe
0/51DTLite.exe

Scanner and Detection Names

Here is the detection names for the DT Soft Ltd files. I have grouped the detection names by each scanner engine. Thanks to VirusTotal for the scan results.

ScannerDetection Names
CMCPacked.Win32.TDSS.1!O, Trojan.Win32.Heuristic!O
ClamAVWin.Trojan.Bancos-2115

* How the Detection Percentage is Calculated

The detection percentage is based on that I have gathered 3048 scan reports for the DT Soft Ltd files. 4 of these scan reports came up with some sort of detection. If you like, you can view the full details of the scan results by examining the files listed above.

Analysis Details

The analysis has been done on certificates with the following serial numbers:

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