[10-Dec-2019 16:04:56 UTC] PHP Deprecated: Methods with the same name as their class will not be constructors in a future version of PHP; WA_Captcha has a deprecated constructor in /home/kateflee/public_html/webassist/captcha/wavt_captchasecurityimages.php on line 3
I don't think that is the problem because the file went from 1.9 KB to 63GB overnight.