WM/Newyear is a simple Word macro virus that gets control when an infected document is opened.
Based on the settings of your F-Secure security product, it will either move the file to the quarantine where it cannot spread or cause harm, or remove it.
This virus contains two different payloads. First one attempts to activate every 15th day of each month, and will cause that every opened document is saved with a password "joker". However, the activation depends of the current date style settings and it fails, for example, with US date style.
The second payload activates January 15th, 1998. Since that date every time when a document is saved in the Frech version of Word, the virus inserts a form field to the active document with the following text:
Happy New Year!
Then it saves the active document with a password "JOKE98".
The virus also replaces the "Fichier/Enregister Sour" ("File/Save As") menu in the French Word with a message box:
Une erreur syst-me empeche temporairement Word d'afficher la boite Enregistrer sous
and then displays a file copy dialog instead of normal save as dialog.
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