Trojan.Cryxos in wp-admin

Sucuri online scan does not indicate presence of malware.

– Install the plugin Wordfence plugin and do full scan of your site.
– You can also use another scanner: https://wordpress.org/plugins/search/malware+database – Also, Scan for “some string” using https://wordpress.org/plugins/string-locator/
– If you’re unable to clean your site(s) successfully, there are reputable organizations that can clean your sites for you. Off hand, couple of names that come to mind are Sucuri and Wordfence.