Q&A About Excel Macro/Laroux Macro Virus

MORE INFORMATION

Q: What are macro viruses?

A: Macro viruses are a type of virus that use a program's own macro
   programming language to distribute themselves. Unlike previous
   viruses, macro viruses do not infect programs; they infect documents.

Q: What is Sofa?

A: This is a nonharmful, nondestructive macro virus that does not affect
   data in any way. Infected files display the application header
   "Microsofa Excel" instead of "Microsoft Excel."

Q: What is ExcelMacro/Laroux?

A: This is a nonharmful, nondestructive concept virus. It simply appends
   a macro sheet called "laroux" to workbooks. It does not affect data
   or anything else in the workbook. This is the first replicating macro
   virus ever discovered in Microsoft Excel.

Q: What is Laroux B?

A: Laroux B is a variation of the original virus that is the same in all
   respects, but can overwrite existing macros on the user's
   Personal.xls macro sheet.