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.San.A is written with Visual Basic Script and spreads via emails. It utilizes the security vulnerability of MS Outlook Express, infecting the system through opening of the email or through Preview Pane.

It deletes all folders in C..

VBS.Valentin is written with Visual Basic Script and spreads via emails. It utilizes the security vulnerability of MS Outlook Express, infecting the system through opening of the email or through Preview Pane.

It deletes all folders i..