VirtualDiskUtility 1.0.37739 for Mac was available to download from the developer's website when we last checked. We cannot confirm if there is a free download of this app available. The following version: 1.0 is the most frequently downloaded one by the program users.
According to the results of the Google Safe Browsing check, the developer's site is safe. Despite this, we recommend checking the downloaded files with any free antivirus software. The application is categorized as Security Tools. The actual developer of this free software for Mac is Dell Inc.
From the developer:
The Virtual Disk Utility allows you to manage files and data in a secure and portable manner. It does so by providing a mountable, encryptable, cross-platform file for the storage of data and documents.
You may want to check out more Mac applications, such as Marvin's AMD Utility, Ettercap or DataGuard, which might be related to VirtualDiskUtility.