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Cannot Access Antivirus Websites on laptop


  i cannot access any antivirus websites like symantec,kaspersky,trend micro,spybot etc..i have ran combofix as suggested in other forums but that didn't make any differnce..iam using windows xp sp3 laptop
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U've been infected.

Go to: and search for malware bytes.

Download run it.

Also, in Internet Explorer, under internet option, then connection, Lan settings, make sure you have no proxy set.  have a look how here:

Good luck.
Have you checked the "host" file in C:\Windows\System32\Drivers\etc and/or "Restricted Sites" in Internet Explorer?
Open the "host" file with Notepad and check for entries of Anti-Virus websites. In "Restricted Sites", look for the same.
There are also a couple of anti malware programs that I use along with "Combofix". Try Malwarebytes and Super Anitspyware. Both are free.
Sounds like your computer is still infected.
I should have mentioned to remove any entries in the "host" file or "Restricted Sites". By Default, the only entry in the "host" file is the "loopback" address for your computer - i.e.   localhost
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       in host files there are no any other entries except loopback address i.e and no restricted sites..i have already tried malwarebytes and didn't find any infected files
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 Proxy is not enabled.I have already checked that settings

Google Hijackthis

Run it.

Post the log here.
If nothing is being detected then maybe restoring Internet Explorer to default settings might help.
For IE 8 in the "Advanced" tab; choose "Reset" and check the box to "Delete personal settings". Restart Internet Explorer.
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How to remove malware belonging to the family Rootkit.Win32.TDSS ...

Run this to make sure it is clean. The TDSS rootkits are known to hijack DNS and redirect your google search results.....

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    Thank you...i cannot access windows update i have ran sophos conflicker removal tool as you've mentioned and can now access the websites...

    thanks a lot

Again Happy to help you !!!