I-Worm.Win32.Mari is a mass-mailing worm written in Visual Basic language and has a size of 45,056 bytes.  

The worm sends mail to all addresses in the MS Outlook Address Book. The following is a sample of the mail it sends:..

T-Rex.1800 is a DOS memory-resident virus.

It infects ".COM" and ".EXE" files. However, this virus does not infect "COMMAND.COM" and files with the text string WIN and F-PROT in it.

T-Rex.1800 is a DOS memo..

VBS.Reality.C is a variant of VBS.Reality.A.

A warning message will be displayed when the virus file is executed. The virus will only be activated when the user clicks "Yes". Since the virus changes the key value of the registry, this..

X97M.Bdoc2.A creates "AutoRun.xla" file in Xlstart folder and manipulates Save in the menu to run Auto_Save command.

It also disables the Macro command in Tool menu.  

This happens on systems with Chi..