You could have downloaded SecuStore 1.6.6 for Mac from our software library for free. This free software for Mac OS X was originally developed by MaKleSoft. The unique ID for this application's bundle is com.maklesoft.secustoremac. The software lies within Internet & Network Tools, more precisely Browser extensions. The most popular version of the software is 1.6.
From the developer:
SecuStore is a cross-platform password manager/secure storage utility. The application keeps your data safe by encrypting it with the Advanced Encryption Standard (AES) cipher. You can synchronize your data with your personal Dropbox account and access it any time from any of your devices.
You may want to check out more software for Mac, such as Plnr, QSS Widget or Raggregator, which might be related to SecuStore.