This virus does not manifest itself in any way. It contains eight macros:
NORMAL.DOT Infected documents
FileSaveAs twFSA
AutoExec twAE
twAC AutoClose
FileSave twFS
AutoExit twEX
twFC FileClose
twFE FileExit
twFQ FileQuit
The virus infects the global macros area on FileClose, FileExit and AutoClose. The documents get infection on AutoExit, FileSave and FileSaveAs.
The virus contains commented strings:
"Twister 2000" v.1 (c) Neo-Luddite Inc.
For Robin Hood