The host at this IP address 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 20.197.177.145 on port 80 (using HTTP POST):
hXXp://20.197.177.145/MEU/serv.php
Referencing malware binaries (MD5 hash):
9df8bf2e2d212f8a8ce51c5d91712478 — AV detection: 4 / 59 (6.78)