First have a look in add/remove programs for
MyWebSearchWB , and uninstall it if present.
Then download
KillBox by Option^Explicit from
HERE.
After that boot up in safemode again , and then fix these with
hjt:
And after that , delete the folder in bold.
Double click on
Killbox.exe and then check the
delete on reboot button.
Enter the following filepath and filename into the Full path of file to delete box:
C:\WINDOWS\system32\khffg.dll
Click the
red circle with the white x and allow your computer to reboot.
(if killbox doesn't reboot on its own then please reboot manually)
After your computer has rebooted please run Hijackthis again and post a new Hijackthis log.