I-Worm.Win32.PetLil.B is a mass-mailing worm that sends itself to all contacts in Microsoft Outlook Address Book. The email has the following characteristics:

Subject: XXX Picture...
Body: A pretty girl..

JS.Gigger is a script virus that is written in JavaScript. It spreads itself through email, mIRC and network shared folder with read/write access.

It emails itself to all addresses in the Microsoft Outlook Address Book with the follo..

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..