For background information on Word macro viruses, see the Concept
WordMacro/Helper consists of one AutoClose macro and will spread
under any language version of Word.
This virus activates on the 10th of every month. At this time, it will
protect DOC files with the password 'help'.
WordMacro/Helper was reported to be in the wild in USA in December 1996.
[Analysis: Mikko Hypponen, F-Secure]