Now I have:
[10-Apr-2016 16:21:18 UTC] WordPress database error Incorrect parameter count in the call to native function 'LCASE' for query select ID,post_author,post_title,post_name,guid,post_content,post_mime_type
from wp_posts where
INSTR(LCASE(post_author), '<script') +
INSTR(LCASE(post_title), '<script') +
INSTR(LCASE(post_name), '<script') +
INSTR(LCASE(guid), '<script') +
INSTR(LCASE(post_author), 'eval(') +
INSTR(LCASE(post_title), 'eval(') +
INSTR(LCASE(post_name), 'eval(') +
INSTR(LCASE(guid), 'eval(') +
INSTR(LCASE(post_content), 'eval(') +
INSTR(LCASE(post_author), 'eval (') +
INSTR(LCASE(post_title), 'eval (') +
INSTR(LCASE(post_name), 'eval (') +
INSTR(LCASE(guid), 'eval (') +
IINSTR(LCASE(post_content), 'eval (') +
INSTR(LCASE(post_content), 'document.write(unescape(') +
INSTR(LCASE(post_content), 'try{window.onload') +
INSTR(LCASE(post_content), 'setAttribute(\'src\'') +
INSTR(LCASE(post_mime_type), 'script') +
INSTR(LCASE(document.write(string.fromcharcode), 'script') >0
made by do_action('stop-spammers_page_ss_threat_scan'), kpg_ss_threat_scan, include_setting, require_once('/plugins/stop-spammer-registrations-plugin/settings/kpg_ss_threat_scan.php')
[10-Apr-2016 16:21:32 UTC] WordPress database error You have an error in your SQL syntax; check the manual that corresponds to your MariaDB server version for the right syntax to use near '')' at line 3 for query select option_id,option_value,option_name
from wp_options where
INSTR(LCASE(option_value), 'eval(') +INSTR(LCASE(option_value), 'eval (') +INSTR(LCASE(option_value), 'networkads') +INSTR(LCASE(option_value), 'document.write(unescape(') +INSTR(LCASE(option_value), 'try{window.onload') +INSTR(LCASE(option_value), 'escape(document[') +INSTR(LCASE(option_value), 'escape(navigator[') +INSTR(LCASE(option_value), 'document.write(string.fromcharcode') +INSTR(LCASE(option_value), '(base64_decode') +INSTR(LCASE(option_value), '(gzinflate') +INSTR(LCASE(option_value), 'UA-27917097-1') +INSTR(LCASE(option_value), 'w.wpquery.o') +INSTR(LCASE(option_value), '<scr'+') made by do_action('stop-spammers_page_ss_threat_scan'), kpg_ss_threat_scan, include_setting, require_once('/plugins/stop-spammer-registrations-plugin/settings/kpg_ss_threat_scan.php')