Being run this trojan shows a messagebox 'This is user-friendly Windows 98' and starts to randomly move mouse pointer. It also blocks keyboard so you can't kill the trojan task in Task Manager and continue working with other applications. The computer has to be reset - all unsaved data in opened applications will be lost.
Once detected, the F-Secure security product will automatically disinfect the suspect file by either deleting it or renaming it.
Technical Details: Alexey Podrezov, F-Secure