Hi and welcome,

The first thing we need to do is clear up this Nail.exe infection.

Please download the trial version of Ewido Security Suite here:
http://www.ewido.net/en/download/
Install it, and update the definitions to the newest files. Do NOT run a scan yet.


Please download Nailfix from here:
http://www.noidea.us/easyfile/file.php?download=20050515010747824
Unzip it to the desktop but please do NOT run it yet.

Next, please reboot your computer in Safe Mode by doing the following:

1) Restart your computer
2) After hearing your computer beep once during startup, but before the Windows icon appears, press F8.
3) Instead of Windows loading as normal, a menu should appear
4) Select the first option, to run Windows in Safe Mode.


For additional help in booting into Safe Mode, see the following site:
http://www.pchell.com/support/safemode.shtml

Once in Safe Mode, please double-click on Nailfix.cmd. Your desktop and
icons will disappear and reappear, and a window should open and close
very quickly --- this is normal.

Then please run Ewido, and run a full scan. Save the logfile from the scan.

Next please run HijackThis, click Scan, and check:

F2 - REG:system.ini: Shell=Explorer.exe C:\WINDOWS\Nail.exe

Close all open windows except for HijackThis and click Fix Checked.

Restart your computer in normal mode and please post a new HijackThis
log, as well as the log from the Ewido scan.

Steve