System information

Threats to computer security 25
TYPE
NAME
DESCRIPTION
Trojan-IMs
Trojan programs
stealing personal
data of IM client
users
These programs steal numbers and
passwords of IM client users (instant
messaging programs), such as ICQ, MSN
Messenger, AOL Instant Messenger,
Yahoo Pager or Skype. They transfer
information to the intruder using methods
which include e-mail, FTP, and by
accessing the intruder's website.
Rootkits
Rootkits
These programs conceal other malware
programs and their activity and, thus,
extend the existence of such programs in
the system. They hide files, processes in
the memory of an infected computer, or
registry keys run by the malware
programs, or conceal data exchange
between applications installed on the
user's computer and other computers in
the network.
Trojan-SMS
Trojan programs
- SMS messages
These programs infect mobile phones and
send SMS messages to numbers for
which the user of the infected phone is
charged.
Trojan-
GameThieves
Trojan programs
stealing personal
data of the users
of network
games.
These programs steal user account
information of network game users; they
then transfer this information to the
intruder using methods including e-mail,
FTP, or by accessing the intruder's
website.
Trojans-
Bankers
Trojan programs
stealing banking
account
information
These programs steal banking account
information or electronic/digital money
account information; they transfer data to
the intruder using methods including e-
mail, FTP, or by accessing the intruder's
website.