4. Virus Replication

• Viruses attach themselves to a host:

  • executable file .exe

  • MS Office documents .doc, .xls, etc.

  • script files, such as .vbs .js .jse .vbe .vbs .wsf

  • web pages, .htm, html,, or similar extensions with "ht" suffix

• Ways of virus spreading:

  • CD-ROM, DVD, web, individual files, thumb drives, email attachments.

  • IM file attachments and links.