Cannot access web sites after malware removal : SWAEC Helpdesk

Cannot get online or access internet sites after malware removal Print

Created by: David Henderson

Modified on: Thu, 18 Apr, 2019 at 8:45 AM

One computer managed to get infected with a fake Windows Security Alert malware program. After using Malwarebytes to clean it, the machine still would not display web pages (in ANY application: IE, Safari for Win, Firefox, Opera).

After checking to make sure the HOSTS file was in tact (it was not, so I removed the errant entries), the system would still not access web pages.

The fix? CONTROL PANEL > INTERNET OPTIONS > CONNECTIONS > LAN SETTINGS

Inside there, the machine was being told to use a proxy but the proxy was empty (because I had deleted the bad entries). UNCHECK the proxy boxes and that fixed it.

Side note: Other things to consider -

reset the tcp/ip stack
flush the dns
reset all Internet options (under the ADVANCED tab) back to default
delete all entries in the "trusted sites" under SECURITY in Internet Options

David is the author of this solution article.

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Cannot get online or access internet sites after malware removal Print

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