Hello,
Thank you for reaching out to us.
It appears that there is an infected file on your website. Please remove the following file or take the necessary steps to clean and secure it:
/var/www/vhosts/artisanet.info/httpdocs/templates/tmpl_tqrjky/gtnnym/howzg/zhpnwdsw.php
After removing the file, we also recommend performing a full malware scan and reviewing your website for any additional suspicious files or vulnerabilities.
Please, follow this post: https://www.joomshaper.com/forum/question/45152
Thank you.