Download HostsExpert:
http://www.majorgeeks.com/Hoster_d4626.html
Choose one of the servers at Majorgeeks....save the file on your desktop
Unzip HostsXpert 4.2 - Hosts File Manager to a convenient folder such as C:\HostsXpert 4.2 - Hosts File Manager
Run HostsXpert 4.2 - Hosts File Manager from its new home
Click on "File Handling".
Click on "Restore MS Hosts File".
Click OK on the Confirmation box.
Click on "Make Read Only?"
Click the X to exit the program.
Note: If you were using a custom Hosts file you will need to replace any of those entries yourself.
Please download combofix here ->
ComboFix
Before Saving it to Desktop, please rename it to
321.com to stop malware from disabling it.
Now, please make sure no other programs are running, close all other windows.
Please double click on the file you downloaded. Follow the onscreen prompts to start the scan.
Once the scanning process has started please DO NOT click on the Combofix window or attempt to use your computer as this can cause the scanning process to stall.
It may take a while to complete scanning and this is normal.
You will be disconnected from the internet and your desktop icons/toolbars will disappear during scanning, do not worry, this is normal and it will be restored after
scanning has completed.
Combofix will create a logfile and display it after your computer has rebooted.
Usually located in c:\combofix.txt, please attach it to your next post