Threat Description

Sofa

Details

Aliases:Sofa, Microsofa
Category: Malware
Type:
Platform: W32

Summary



This is a Microsoft Excel macro virus. Sofa spreads to Excel spreadsheets once it has copied its virus code to the default startup directory. It does this by creating a file called \MSOFFICE\EXCEL\STARTUP\BOOK.XLT

Sofa contains these macros: Auto_Open, Auto_Range, Current_Open, and Auto_Close.

Sofa activates by checking the title bar text of Excel to read

  Microsofa Excel

Otherwise, the virus just spreads.

Sofa was found in the wild in USA in December 1996.

See: ExcelMacro/Laroux



Removal


Automatic action

Once detected, the F-Secure security product will automatically disinfect the suspect file by either deleting it or renaming it.

More

You may wish to refer to the Support Community for further assistance. You also may also refer to General Removal Instructions for a general guide on alternative disinfection actions.








Description Created: Mikko Hypponen, F-Secure


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