System information

Threats to computer security 25
TYPE
NAME
DESCRIPTION
Trojans-IMs
Trojan programs
stealing personal
data of the IM client
users
These programs steal numbers and
passwords of the IM client users (instant
messaging programs), such as ICQ, MSN
Messenger, AOL Instant Messenger,
Yahoo Pager or Skype. Then they transfer
information to the intruder by e-mail, via
FTP, by accessing the intruder's website
or using other methods.
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 or processes in
the memory of an infected computer or
register keys run by the malware
programs or conceal data exchange
between the applications installed on the
user's computer and other computes in
the network.
Trojans-
SMS
Trojan programs -
SMS messages
These programs infect mobile phones and
send from the sms messages to numbers
for which the user of the infected phone is
charged.
Trojans-
GameThiev
es
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 by e-mail, via FTP, by accessing
the intruder's website or using other
methods.
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 by e-mail, via FTP, by
accessing the intruder's website or using
other methods.