Our detectives are back with the following intel on this WordPress site
The site is using the Zoso.ro theme by Valentin Marin .
We could identify 3 plugins (there might be more) -
Shutter Reloaded Plus
This information was last updated 15 April, 2017
Valentinu.ro - Wordpress Theme
A cleaner WordPress [gallery] that integrates with multiple Lightbox-type scripts.
Darkens the current page and displays an image (like Lightbox, Thickbox, etc.), but is a lot smaller (8KB) and faster.