Virus Database


Amz family

Description Amz family

These are dangerous non-memory resident viruses. They search for COM and EXE files, and write themselves at their ends. The viruses alter the first 13h bytes of a COM file with the commands to jump to the virus body. These viruses contain the word "AMZ". They erase the FAT sectors of the logical drives from A: to Z: (if they are present):
"Amz.600" - operates if the day of the week corresponds to the day of the month
"Amz.789" - on September 24th from 0:00 till 7:00 am
"Amz.801" - on February 13th at 13:00
"Amz.1100" - on March 1st and September 13th at 10:00

"Amz.682" is benign, and it displays: "-Zero-". "Amz.1100" erases CMOS and creates the BOPS-BOP.S file.

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Macro.Word97.Cascade

Description Macro.Word97.Cascade

This virus contains eight macros in one module "Cascade": AutoNew, AutoOpen, FileNew, FileSaveAs, FileTemplates, PayCascade, ToolsMacro, ViewVBCode. It infects the global macros area on opening an infected document (AutoOpen), and spreads itself to other documents on saving them with new name (FileSaveAs).
On creating a new document or file the virus displays one of the MessageBoxes:
Virus Cascade
Une CASCADE de lettre va s'afficher sur votre écranall

Virus Cascade
Je suis de retour...

The virus then manifests itself by video effect: it drops in the Word window random selected letters.

Macro.Word97.Change

Description Macro.Word97.Change

This macro virus consists of one macro: AutoClose. The virus replicates itself on documents closing (AutoClose). On Sundays it displays InputBox (non-English). Depending on entered key the virus will display MessageBoxes and erases the C:AUTOEXEC.BAT file.

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