See: http://www.urlvoid.com/scan/zvukoff.ru/
http://62.67.194.183/clean-mx/viruses.php?domain=zvukoff.ru&sort=first%20desc
and then look here: http://urlquery.net/report.php?id=5967534
so with reasons for it blacklisted here: http://www.e-fensive.net/malware.pests
polonus
High Risk by McAfee: http://www.mcafee.com/threat-intelligence/domain/?domain=zvukoff.ru
URLQuery: http://urlquery.net/report.php?id=6658924
Suspicious by Zulu: http://zulu.zscaler.com/submission/show/54757994ede6742f50c67a42a820fae8-1381592041
Clean by Quettra: http://www.quttera.com/detailed_report/zvukoff.ru