First thing to do would be start / run / regedit
Navigate to
HKCU\Software\Microsoft\Windows\CurrentVersion\Run \Yahoo Messengger\
Delete
SCVHSOT.exe
Step 2
Then Navigate to
HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell
Delete
SCVHSOT.exe
Step 3
HKCU\Software\Microsoft\Windows\CurrentVersion\Pol icies\System
DisableTaskMgr
Double click and set to 0
HKCU\Software\Microsoft\Windows\CurrentVersion\Pol icies\System
DisableRegistryTools
Double click and set to 0
The following registry entry is set:
HKCU\Software\Microsoft\Windows\CurrentVersion\Pol icies\Explorer
NofolderOptions
Double click and set to 0
Step 4
Navigate to
here and run a full system scan. Then remove all infections when the scan is complete.