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 194.87.185.50 on port 80 (using HTTP PUT):
hXXp://balls0000of7777steel.com/status.php
balls0000of7777steel.com. 300 IN A 194.87.185.50
Referencing malware binaries (MD5 hash):
1d0b1a6cfb966f74563c66539af9d4ed — AV detection: 25 / 68 (36.76)
7e1131f6efafbdefef47a27de4e476cf — AV detection: 21 / 68 (30.88)
c0cf208a2232498d8b3b37c9c4364e5f — AV detection: 25 / 68 (36.76)