DISKEEPER CORPORATION - 0% Detection Rate *

Did you just download a file that is digitally signed by DISKEEPER CORPORATION and wonder if the file is safe? If that's the case, please read on.

You will probably see DISKEEPER CORPORATION when running the file. The publisher name shows up as the "Verified publisher" in the UAC dialog as the screenshot shows:

Screenshot where DISKEEPER CORPORATION appears as the verified publisher in the UAC dialog

You can view additional details from the DISKEEPER CORPORATION certificate with the following procedure:

  1. Open Windows Explorer and locate the DISKEEPER CORPORATION 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 signed by DISKEEPER CORPORATION:

Screenshot of the DISKEEPER CORPORATION certificate

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

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, etc. You can also see the address for DISKEEPER CORPORATION, such as the street name, city and country.

VeriSign Class 3 Code Signing 2010 CA and VeriSign Class 3 Code Signing 2009-2 CA has issued the DISKEEPER CORPORATION certificates. You can also examine the details of the issuer by clicking the View Certificate button shown in the screenshot above.

DISKEEPER CORPORATION Files

The following are the DISKEEPER CORPORATION files I have gathered, thanks to the FreeFixer users.

Detection RatioFile Name
0/45ExpressCache.exe
0/44excfs.sys
0/45MJSCR.dll
0/43excsd.sys
0/53ECBase.dll
0/48MJS.dll
0/42ExpressCache.exe
0/54ExpressCache.exe
0/46Tab.dll
0/44ExpressCache.exe

* How the Detection Percentage is Calculated

The detection percentage is based on the fact that I've gathered 1045 scan reports for the DISKEEPER CORPORATION files. 0 of these scan results 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

In the analysis on this page I grouped all certificates where the signer name is set to upper and lower case variants of DISKEEPER CORPORATION. These are the signer names:

The analysis is based on certificates with the following serial numbers:

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