Хостинг ругается на файл ядра phpthumb.class.php

We have identified malicious content on your account, added by an outside
entity, which may include malware such as backdoor shells, adware, botnet,
and spammer scripts.

The following file(s) specifically have been identified as attacker-added
malware. We have DISABLED these files by setting their permissions to 200
(Owner write-only). You will need to audit these files and either replace
them with known good versions or remove them altogether:

.../core/vendor/james-heinrich/phpthumb/phpthumb.class.php