Are Trojans that, upon execution, connect the system to a pay-per-call location in which the unsuspecting user is billed for the call without his/her knowledge. Dialers often arrive in porn-related or other enticing service-related applications.
Dialers are a type of software typically used by vendors serving pornography via the Internet. Once dialer software is downloaded, the user is disconnected from their modem's usual Internet service provider, re-connected to another Internet service provider (new dial-up telephone number), and the user is billed at exorbitant rates. Dialers do not "spy" on their intended victims, but these malevolent programs can rack up significant long distance phone charges, costing victims time and money.
have the ability to disconnect a computer from its Internet provider and reconnect it to the Internet using a toll or an international phone number.
Generally, this is software that is installed on your PC that dials a phone number. some dialers connect to Internet Service Providers (ISPs) and are designed to provide genuine assistance. However, malicious dialers can attempt to connect you to long-distance or toll numbers without your consent, resulting in expensive phone bills.
Software that may lure unsuspecting victims with free games or other items. It uses your dial up device to dial a service and may change your default internet connection dialing number. The number set by the dialer may be a very expensive toll number.
Programs that use a system, without your permission or knowledge, to dial out through the Internet to a 900 number or FTP site, typically to accrue charges.
Software that redirects Internet connections to a party other than the user's default ISP to run up additional connection charges for a content provider, vendor, or other third party.