Welcome to the Virus Encyclopedia of Panda Security.
|Effects: ||It infects Excel spreadsheets, disabling some functionalities and changing the properties of the documents.|
|Detection updated on:||Sept. 4, 2003|
|Country of origin:||INDONESIA|
Phone.A is a macro virus that infects Excel spreadsheets (files with an XLS extension) in Windows Me/98/95 computers.
Phone.A uses the normal means of infection used by macro viruses. Firstly, it infects the Excel template (TEMPLATE.XLT file). Then it infects all the Excel spreadsheet. Phone.A deletes its code from the infected files after the user opens it, and inserts it again after saving or closing the file.
Phone.A disables the refreshing of the Excel window, and therefore the changes made in the document are not displayed on screen. In addition, it disables some functionalities of the program and modifies the properties of the documents.
Phone.A is easy to recognize once it has infected the computer, as it shows the following symptoms:
It modifies the properties of the infected documents to:
Title: it leaves empty this field.
Subject: it leaves empty this field.
Comments: Tia Ivanka
Every 26, it changes the following property:
Comments: . . TwentySiX ==> .
It hides the application if the user attempts to print the document between 20:00 and 00:00.