PLEASE HELP UNBLOCK MY WEBSITE gennextechnologies.com

Hello, my website https://gennextechnologies[.]com is blocked on any computer with avast installed. Please help me with this. There is no virus on the website. Please help unblock it.

https://sitecheck.sucuri.net/results/https/gennextechnologies.com

There was phishing on gennextechnologies[.]com/reviewdropbox/docusign
What did you do to prevent similar attacks from happening in the future?