Question : Cleaned root kit, Internet access broken (network ok, DNS resolution OK, internet ping ok)

Hi all,

One of my customers brought me a PC (HP netbook with no CD Drive) infected with a rootkit. I could clean it using combofix but the Internet Access is still broken.

network is ok and I can ping anything on the web.

I tried winsockfix, dia-a-fix, installed IE8, reinstalled network card, nothing works.

The 'broken connection assistant included in IE8' tells me that the ports 80, 443 and 21 are closed.

DNS resolution is ok

I tried deactivating MS Firewall, didn't help. The pc is several days old ... almost no application is installed.

Thanks for your help

Answer : Cleaned root kit, Internet access broken (network ok, DNS resolution OK, internet ping ok)

Can you try running Internet Explorer in no add-on mode?
Start run iexplore.exe -extoff

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