Dale FIX a estas entradas:

R1 - HKCU\Software\Microsoft\Internet Explorer\Main,Search Bar = res://C:\WINDOWS\system32\jwhdj.dll/sp.html#83556

R1 - HKCU\Software\Microsoft\Internet Explorer\Main,Search Page = res://C:\WINDOWS\system32\jwhdj.dll/sp.html#83556

R1 - HKLM\Software\Microsoft\Internet Explorer\Main,Default_Page_URL = about:blank

R1 - HKLM\Software\Microsoft\Internet Explorer\Main,Default_Search_URL = res://C:\WINDOWS\system32\jwhdj.dll/sp.html#83556

R1 - HKLM\Software\Microsoft\Internet Explorer\Main,Search Bar = res://C:\WINDOWS\system32\jwhdj.dll/sp.html#83556

R1 - HKLM\Software\Microsoft\Internet Explorer\Main,Search Page = res://C:\WINDOWS\system32\jwhdj.dll/sp.html#83556

R1 - HKCU\Software\Microsoft\Internet Explorer\Search,SearchAssistant = res://C:\WINDOWS\system32\jwhdj.dll/sp.html#83556

R0 - HKLM\Software\Microsoft\Internet Explorer\Search,SearchAssistant = res://C:\WINDOWS\system32\jwhdj.dll/sp.html#83556
R3 - Default URLSearchHook is missing

O2 - BHO: Class - {B6D277F1-C433-2871-286A-849CFF234AD2} - C:\WINDOWS\ipya.dll

O4 - HKLM\..\Run: [RestoreIT!] "C:\Program Files\FarStone\RestoreIT!\RestoreIT!_XP\VBPTASK.EX E" VBStart

Con KillBox borra estos archivos:

C:\WINDOWS\ipya.dll
C:\WINDOWS\system32\jwhdj.dll

Y nos contas los resultados.

Salu2