Hello. when they stopped work sayt7 what made the changes? what version of the site?
your website hacked
at the root of the website nevrogenny eye can see a few files with viruses.
reason of hacking here
http://www.securitylab.ru/vulnerability/477642.php
http://kmscrb.ru/AI-BOLIT-REPORT-_bonussar_public_html_kmscrb_ru-751959-10-01-2016_18-14.html