What is a trojan horse?
A
"Trojan horse" or "Trojan" is a malicious programme. It masquerading
almost perfectly into trusted applications. After the execution of
these programs they run unexpected actions (delete your files, send an
e-mail to all your contacts, etc.). Trojan horses can not reproduce themselves!
INFORMATION:
The term "Trojan horse" comes from the big Trojan horse which the Greeks used in the Trojan war.
There
are Trojans which "creep" into systems by open Ports and allow
hacker's information about the user, and controlling the computer!