Defaced website suspicious?

Viruses and worms
1

See: http://killmalware.com/elitepraha.cz/
Server: Apache/2.2.22 (Debian)
X-Powered-By: PHP/5.4.45-0+deb7u1
IP Address: 89.187.142.172
Provider: COOLHOUSING s.r.o.
Country: Czech Republic
Web site defaced. Details: http://sucuri.net/malware/entry/MW:DEFACED:01

Hacked by Djamel11154

pol