病毒wwww.2217.com

it suddenly auto pop up
how to remove

Please look at IE's add-on manager, disable all the unwanted programs like toolbars.
Then go to Control Panel > Add or Remove Programs > Uninstall all unwanted programs
Go to Start > Run > msconfig > Startup items > Untick all suspicious programs.

Use online scanner to scan your pc.
http://www.eset.hk/html/445/985/

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