WordMacro/Pesan.A is a simple Word Macro virus.
It activates every five minutes and displays one of these messages:
MicroSoft Warning!!! You are about Formatting Hardisk, Are you sure? FORMAT WARNING !!! You have just activate the format.exe trigger, all command will FORMAT your hardisk SYSTEM DAMAGE WARNING !!! System detected 'Bandung.d_t' VIRUS, all system will be Damage Permanently !!! May God Have Mercy On you ....!!!
Otherwise Pesan.A only spreads.
Based on the settings of your F-Secure security product, it will either automatically delete, quarantine or rename the detected program or file, or ask you for a desired action.
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This is a later variant with destructive activation routine. The virus does not display any messages, but it attempts to delete the following files:
c:\dos\chkdsk.exe c:\dos\format.com c:\dos\defrag.exe c:\dos\scandisk.exe c:\msdos\chkdsk.exe c:\msdos\format.com c:\msdos\defrag.exe c:\msdos\scandisk.exe
After this Pesan.B creates a BAT file with the same name. When this batch file is executed, it will delete all files from drive C: with the deltree command.
The activation routine failes if there is no c:\dos or c:\msdos directory (most Windows 95 and NT systems do not have such directories).