DataMngr (malware) has been blocked for your protection.

Why was it blocked?
This extension overrides search settings, and monitors any further changes done to them so that they can be reverted. This violates our add-on guidelines.
Who is affected?
All Firefox users who have this add-on installed.
What does this mean?

The problematic add-on or plugin will be automatically disabled and no longer usable.

When Mozilla becomes aware of add-ons, plugins, or other third-party software that seriously compromises Firefox security, stability, or performance and meets certain criteria, the software may be blocked from general use. For more information, please read this support article.