Virus Database

Babec.a

Description Babec.a

This is a relatively harmless memory resident boot virus. It hooks INT 16h and 21h, and writes itself to the BOOT sectors of floppy disks and to the MBR sector of the hard drive. Upon loading from a BOOT sector, the virus writes itself to the MBR sector. It writes itself to the BOOT sectors upon setting up a default disk by a DOS function. The virus does not manifest itself in any way.

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Macro.Word.Grunt

Description Macro.Word.Grunt

This is an encrypted virus. It contains two macros: XxGRUNTxX1 and XxGRUNTxX2. Because this virus has no auto-macros, it takes control by assigning the 'E' key to "XxGRUNT1xX1" macro, and the 'I' key to "XxGRUNTxX2" macro, i.e. when 'E' or 'I' keys are pressed, corresponding macro takes control. MS Word saves these redirections in documents, and these keys are automatically assigned with macros when Word is opening an infected document or global macros.
The virus does not manifest itself. It contains the string:
A Virus from Nightmare Joker's Demolition Kit!

Macro.Word.Gsis.b

Description Macro.Word.Gsis.b

This encrypted macro virus contains four original macros that are copied with names:
Documents NORMAL.DOT
AutoClose AutoClose
AutoOpen AutoOpen
GNull Biblioteca, ArquivoModelos, FerramMacro
(or UtilMacro depend on version Word).
GArqImprimir ArquivoImprimir, ArquivoImprimirPadr o

It replicates itself on documents opening and closing (AutoOpen, AutoClose). To load its copy to the Word global macro area it writes its copy to the Word Startup directory with the GSIS.DOT name.
Starting from October 12 1997, if current document contains seven or more pages of text, the virus creates new document and writes the text to there:
GSIS will not survive !!
Natural & Gnomo are back !!
If you are not understanding anything that's happening here, call the closest GSIS *technician*.
Maybe he has another nice *solution* for your problem. Ha! Ha! Ha!
Things will be the way we want, from now on!
Natural, Inc. & Gnomo Produ es

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