Virus Database


Caterpillar.a

Description Caterpillar.a

This is a memory resident harmless virus. It hooks INT 1Ch, 21h and writes itself to the end of COM and EXE files. The files are infected as they are started or searched in directories by DOS functions FindFirst/Next FCB. Under some conditions a "green caterpillar" begins to creep along the screen.
The Caterpillar only shows up when the following conditions are met: after the virus has infected the computer for 2 months, and has an EGA monitor or better, and runs an ANSI device driver.

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Macro.Word97.Aos

Description Macro.Word97.Aos

This macro-virus contains 15 macros in one module AngleOfSin. It replicates on calls: AutoOpen, AutoClose, FileSaveAs, FileSave, AutoNew, FilePrint, ToolsMacro, FileTemplates, EditFind, ToolsWordCount, viewVBcode, SendMail.
While infecting files, the virus inserts, into the Username, the string "Angle Of Sin", and, into the UserAddress, the string "6667 Angle Rd, Heaven S.I.N".
On December 25, it erases all files in the root directory. On February 9, it deletes all documents in the current directory as well as the following files:
C:COMMAND.COM
C:AUTOEXEC.BAT
C:CONFIG.SYS
C:WINDOWS*.*

Macro.Word97.Apmrs

Description Macro.Word97.Apmrs

This is a polymorphic macro virus. It infects Word97 documents. It contains only one macro: AdvancedPolymorphicMacroReplicationSystem.

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