Virus Database

ABCD.a

Description ABCD.a

It's a harmless boot virus. On loading from infected disk, it hooks INT 13h and writes itself into boot sectors of floppy disks. It infects the hard drive on loading from infected floppy. It uses the ID-word ABCDh.

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Macro.Word.Karatka

Description Macro.Word.Karatka

This macro virus contains twenty four macros: inf, poreef, karatka, EditUndo, FileOpen, FileSave, FileMacro, FileSaveAs, ToolsMacro, ViewVBCode, FileProperties, QditUndo, QileClose, QileExit, QileNew, QileOpen, QilePrint, QileProperties, QileTemplates, QileSave, QileSaveAs, QileMacro, QoolsMacro, QiewVBCode.
It infects the global macros area on opening an infected document. Other documents the virus infects on run any of its auto-macros. This virus does not have payload procedure.
The virus code contains comments:
karatka
karatka!
I name thee karatka!

Macro.Word.Katty

Description Macro.Word.Katty

This is a very dangerous macro-virus containing only one macro AutoOpen and infecting the global macro area upon opening an infected document. It writes itself to other documents when they are being opened.
On May 11th, it displays the following message:
Happy Birthday My Dear Katty!
I Love You!

On August 3rd, it displays:
Today Is My Birthday!
Happy Birthday Maverick!

On the 25th of any month, it deletes the files with the following masks:
C:*.bat
C:*.sys
C:windows*.dll
C:windows*.exe
C:windowscommand*.com
C:windowscommand*.exe
C:windowscommand*.vxd

The virus then displays the message "Ha-Ha!!!"

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