Macro Virus Table - Defense Technical Information Center

Macro Viruses
MACRO
Protection: Set the attributes of your personal.xls file to read only. If you don’t have a personal.xls
file, create a blank one and set its attributes to read only.
Name: XM.Laroux.B
Aliases: XM.Laroux.B, Laroux.B Type: Macro.
Disk Location: Excel Macro files.
Document file. Personal.xls
Global macro file.
Features: No damage, only replicates.
Damage: No damage, only Size: Adds macros to Excel See Also:
replicates.
files.
Notes: The LAROUX.B virus is an Excel macro language virus that infects Excel 5 and later
documents and infects the Personal.xls file. If Personal.xls does not exist, the virus creates it.
When personal has been infected, all new Excel workbooks (documents) are infected.
Does not spread on the Macintosh because of the way it searches for personal.xls but causes an
error "Path not found"
Macros installed:
auto_open
check_files
Hidden worksheet:
laroux
Removal: delete the two macros auto_open and check_files.
Protection: Set the attributes of your personal.xls file to read only. If you don’t have a personal.xls
file, create a blank one and set its attributes to read only.
Name: XM.Sofa
Aliases: XM.Sofa, Sofa Type: Macro.
Disk Location: Excel macro files. Features: No damage, only replicates.
Damage: No damage, only Size: Adds macros to Excel See Also:
replicates.
macro documents.
Notes: This is an Excel macro virus.
Does not spread on the Macintosh but causes the error "Runtime error 1005, Unable to set
caption property of the application class".
Macros installed:
auto_open
May 21, 1998 CIAC Computer Virus Information Update 57