Here is the solution

1 Disable System Restore (Windows Me/XP).
2 Update the virus definitions.
3 Delete the value that was added to the registry and restart the computer.

a Click Start, and then click Run. (The Run dialog box appears.)
b Type regedit
Then click OK. (The Registry Editor opens.)

c Navigate to the key:
HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows\CurrentVersion\Run

d In the right pane, delete the value:
"ssate.exe"="%System%\irun4.exe"

e Exit the Registry Editor.
f Restart the computer.

4 Run a full system scan and delete all the files detected as W32.Beagle.J@mm.