User-agent: *
Disallow:

User-agent: *
Disallow: /*ref=*

User-agent: *
Disallow: /*.hta$

User-agent: HTTrack
Disallow: /

User-agent: Microsoft URL Control - 5.01.4511 
Disallow: /

User-agent: Microsoft URL Control - 6.00.8169 
Disallow: /

User-agent: URL Control 
Disallow: /

User-agent: Microsoft URL Control 
Disallow: /