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:..

Swedish_Boys is a file virus that searches for and infects "*.COM" files upon execution. There are 3 variants of this virus. Infected file's size increases to 457, 459, or 538 bytes.

Swedish_Boys is a file virus that searches for..

X97M.Barisada.I is an Excel Macro virus.

While the original virus creates a 'HJB.XLS' file, this variant creates a 'HD.XLS' file in the XLSTART folder to infect systems.

X97M.Barisada.I is an Excel Macro virus.

..

This Macro virus is a variant of X97M.Barisada.I.

Since it only infects a system when you are working on the infected document,
the possibility of the virus-infection is comparatively low.

This Macro virus is a variant of <..

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..

Upon execution, Yafo.328 infects "*.COM" files in the current directory.


Upon execution, Yafo.328 infects "*.COM" files in the current directory.

The size of infected file increases up to 328 bytes.

The fo..