Sophos

XM97/Laroux-MF

Category
Type
What to do

Summary

 
Included in our products from April 2000 (3.32)
Detected by All Sophos products

More Information

This XM/Laroux variant contains two macros, AUTO_OPEN and CHECK_FILES.

The AUTO_OPEN macro is run when the infected document is opened, and instructs Excel to call the CHECK_FILES macro every time a new worksheet is activated.

When this happens, the virus creates a file in the XLSTART directory called PLDT.XLS and copies the viral macros into it. This file is automatically opened every time Excel is run, much like Word's NORMAL.DOT. From then on it infects every workbook used.

When PLDT.XLS is infected, the virus will be loaded every time Excel is started.

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