Good day!
I can remove the trojan efficiently and quickly because I am a certified network engineer (MTCIPv6E / MTCTCE/ MTCNA) having over 10 years of experience with configuration, maintenance, and troubleshooting of enterprise network devices, firewalls, and Linux servers.
I have a lot of EC2 instances (Debian, CentOS, Ubuntu), so I can help you right now.
Did you check crontab?