Can you please copy the following file directly to C drive please.
C:\Drivers\storage\R154200\iastor.sys

Once you have it there, please do the following;

  • Download Avenger by Swandog and unzip it to your Desktop.

    Note: This program must be run from an account with Administrator privileges.

  • Open the Avenger folder and double click Avenger.exe to launch the programme.
  • Copy the text in the code box below and Paste it into the Input script here: box.



Code:
Files to move:
C:\iastor.sys | C:\windows\System32\drivers\iastor.sys

Files to delete:
c:\windows\system32\winhelper86.dll
C:\uwlwfa.exe
C:\oqnqso.exe
C:\waxfhosk.exe

Folders to delete:
c:\program files\InternetSecurity2010
  • Note: the above code was created specifically for this user. If you are not this user, do NOT follow these directions as they could damage the workings of your system.

  • Ensure the following:
    • Scan for Rootkits is checked.
    • Automatically disable any rootkits found is Unchecked.
  • Press the Execute key.
  • Avenger will now process the script you've pasted (this may involve more than one re-boot), when finished it will produce a log file.
  • Post the log back here please. (it can also be found at C:\avenger.txt)


Please post a fresh hijackthis log too. Let me know how the pc is.