User-agent: *
Disallow: /ads/
Disallow: /redirect/
Disallow: /adclick/
Disallow: /adSys/

User-agent: grub-client
Disallow: /

User-agent: grub
Disallow: /

User-agent: looksmart
Disallow: /

User-agent: catbot
Disallow: /

User-agent: msnbot
Disallow: /