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 194.87.185.146 on port 443:
$ telnet 194.87.185.146 443
Trying 194.87.185.146…
Connected to 194.87.185.146.
Escape character is ‘^]’
Malicious domains observed on this IP address:
avyanok.com. 600 IN A 194.87.185.146
biopiof.at. 600 IN A 194.87.185.146
dangerboy.at. 600 IN A 194.87.185.146
intoolkom.at. 600 IN A 194.87.185.146
microsoftsofymicrosoftsoft.at. 600 IN A 194.87.185.146
redhatbabby.at. 600 IN A 194.87.185.146