When i check my cpanel awstats, under "Robots/Spiders visitors (Top 25) " I see this robot visited my site. Is it good bot or will it hurt my site. ? Please any one help me This is the bot visited. bot[+:,\.\;\/\\-]
So many bots are their from different purpose. You can't block them 100% and don't worry about it If you firewalls are ok.
Most of the unknown robots don't read robots.txt thus tough to block them. At the end of the day they can't hurt you but they consume your bandwidth.