You could have downloaded Disk Doctor Pro - Trial 1.0.3 for Mac from our software library for free. This Mac app was originally designed by FIPLAB Ltd. The program is included in Security Tools.
From the developer:
Disk Doctor Pro is an ultra-powerful disk cleaning app that is capable of removing gigabytes of unneeded files from your Mac within just a few minutes.
The app automatically scans your Mac’s hard drive and quickly displays a huge range (see below) of files that can be safely removed to free up valuable disk space and improve system performance.
You may want to check out more Mac applications, such as Disk Doctor, Disk LED Pro or Disk Clean Pro, which might be related to Disk Doctor Pro - Trial.
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