try this list works well for me
Baidu
almaden
Anarchie
ASPSeek
attach
autoemailspider
BackWeb
Bandit
BatchFTP
BlackWidow
Bot\mailto:craftbot@yahoo.com
Buddy
bumblebee
CherryPicker
ChinaClaw
CICC
Collector
Copier
Copyscape
Crescent
DIIbot
DISCo
DISCo\Pump
dotbot
Download\Demon
Download\Wonder
Downloader
Drip
DSurf15a
eCatch
EasyDL/2.99
EirGrabber
email
EmailCollector
EmailSiphon
EmailWolf
Express\WebPictures
ExtractorPro
EyeNetIE
FileHound
FlashGet
FrontPage
GetRight
GetSmart
GetWeb!
gigabaz
Go\!Zilla
Go!Zilla
Go-Ahead-Got-It
gotit
Grabber
GrabNet
Grafula
grub-client
HMView
HTTrack
httpdown
.*httrack.*
ia_archiver
Image\Stripper
Image\Sucker
Indy*Library
Indy\Library
InterGET
InternetLinkagent
Internet\Ninja
InternetSeer.com
Iria
JBH*agent
JetCar
JOC\Web\Spider
JustView
larbin
LeechFTP
LexiBot
lftp
Link*Sleuth
likse
//Link
LinkWalker
Mag-Net
Magnet
Mass\Downloader
Memo
Microsoft.URL
MIDown\tool
Mirror
Mister\PiX
Mozilla.*Indy
Mozilla.*NEWT
Mozilla*MSIECrawler
MS\FrontPage*
MSFrontPage
MSIECrawler
MSProxy
Navroad
NearSite
NetAnts
NetMechanic
NetSpider
Net\Vampire
NetZIP
NICErsPRO
Ninja
Nutch
Octopus
Offline\Explorer
Offline\Navigator
Openfind
PageGrabber
Papa\Foto
pavuk
pcBrowser
Ping
PingALink
Pockey
psbot
Pump
QRVA
RealDownload
Reaper
Recorder
ReGet
Scooter
Seeker
Siphon
sitecheck.internetseer.com
SiteSnagger
SlySearch
SmartDownload
Snake
sogou
Soso
SpaceBison
Spinn3r
sproose
Stripper
Sucker
SuperBot
SuperHTTP
Surfbot
Szukacz
tAkeOut
Teleport\Pro
URLSpiderPro
Vacuum
VoidEYE
vBSEO
Web\Image\Collector
Web\Sucker
WebAuto
[Ww]eb[Bb]andit
webcollage
WebCopier
Web\Downloader
WebEMailExtrac.*
WebFetch
WebGo\IS
WebHook
WebLeacher
WebMiner
WebMirror
WebReaper
WebSauger
Website
Website\eXtractor
Website\Quester
Webster
WebStripper
WebWhacker
WebZIP
Wget
Whacker
Widow
WWWOFFLE
x-Tractor
Xaldon\WebSpider
Xenu
Yandex
Yeti
YOUDAOBOT
Zeus.*Webster
Zeus
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