Boot into safe mode. See how HERE.
http://www.bleepingcomputer.com/forums/tutorial61.html
Turn off system restore.(XP/ME only) See how HERE.
http://www.bleepingcomputer.com/forums/tutorial56.html
In Windows Explorer, turn on "Show all files and folders, including hidden and system". See how HERE.
http://www.bleepingcomputer.com/forums/tutorial62.html
Click start/run and type services.msc into the run box and press the enter key.
When the window appears, maximise it. Locate the following services(if there)
Microsoft Windows System
eventwvr
Double click on them and select stop if they are running. Set the startup type to disable. Click apply/ok.
Open your task manager, by holding down the ctrl and alt keys and pressing the delete key.
Click on the processes tab and end process for(if there).
syshost.exe <Not to be confused with svchost.exe, which is legit.
eventwvr.exe
Run HJT with no other programmes open. Have HJT fix the following, by placing a tick in the little box next to(If there).
O4 - HKLM\..\Run: [eventwvr] E:\WINDOWS\system32\eventwvr.exe
O4 - HKLM\..\Run: [Microsoft Windows System] syshost.exe
O4 - HKLM\..\RunServices: [Microsoft Windows System] syshost.exe
O4 - HKLM\..\RunServices: [eventwvr] E:\WINDOWS\system32\eventwvr.exe
O4 - HKCU\..\Run: [eventwvr] E:\WINDOWS\system32\eventwvr.exe
O16 - DPF: {4ED9DDF0-7479-4BBE-9335-5A1EDB1D8A21} (McAfee.com Operating System Class) -
http://download.mcafee.com/molbin/shared/mcinsctl/4,0,0,101/mcinsctl.cab
O16 - DPF: {6414512B-B978-451D-A0D8-FCFDF33E833C} (WUWebControl Class) -
http://update.microsoft.com/windowsupdate/v6/V5Controls/en/x86/client/wuweb_site.cab?1140698043328
Click on the fix checked button.
Close HJT.
Locate and delete the following
bold files(if there).
E:\WINDOWS\system32\
eventwvr.exe
E:\WINDOWS\system32\
syshost.exe
Reboot into normal mode and turn system restore back on.
Get rid of that McAfee rubbish and download and install the free AVG antivirus programme and the free Zonealarm firewall.
You can get them from
HERE and
HERE.
Install Zonealarm, followed by AVG. Run the AVG updates, then do a full system scan in safe mode.
Regards Howard
