Hello, thanks for the answer, I sent coins to the address that generated the plugin, now I have another problem, I can not log in to the admin panel of the site, I had to remove the Planin to get there, when I install the plugin again, I can not log in to the site.Although I have not activated the plugin,

Unable to establish a connection with the site.
The website cryptocore.su unexpectedly terminated the connection.
Try the following:

Check if there is an Internet connection.
Check your proxy and firewall settings.
Perform network diagnostics