The host at this IP address is obviously operated by cybercriminals. It is running a malware botnet controller which is being used to control infected computers (bots) around the globe using a trojan horse.
Malware botnet controller located at 54.233.90.128 on port 443 TCP:
$ telnet 54.233.90.128 443
Trying 54.233.90.128…
Connected to 54.233.90.128.
Escape character is ‘^]’
$ nslookup 54.233.90.128
ec2-54-233-90-128.sa-east-1.compute.amazonaws.com
$ dig +short w43fsfsafsaasu87f.viagecomhot.shop
54.233.90.128
Referencing malware samples (MD5 hash):
59a48aa3368e4eb8fb3a2b8be804c940 — AV detection: 2 / 57 (3.51%)