Porn dialers are delivered to extract money from the victim as the program dials costly toll call numbers, mainly sex chat room numbers, from the victim's computer without the user's knowledge.

Porn dialers are malware that infect a computer system and use the internet connection to dial a premium-rate telephone number, such as a "900 number" in the U.S. and leave the line open that adds up the cost of the call to the user. This is a common way of stealing money from the victim. Apart from dialing expensive phone numbers the dialers also download explicit sexual content without the knowledge of the users that also cost the user dearly.

Basically, dialers are very small programs (about 40 50 kb in size) that can be used to dial toll phone numbers as well as for browsing websites that needs to paid for viewing. This system was developed to make payments, especially for smaller amounts, for services where it is useless to pay through credit cards. Many users found the process convenient as the cost will add up in their phone bill and they would pay the amount through their service providers. But hackers adopted this technique and started to deliver porn dialers to innocent users either through Trojan horse or other means. They use the dialers to connect to high cost numbers or websites without the users concern and charge the amount through his or her telephone bill.

Trojan virus is the most common way for installing the porn dialers to any computer that is online. In fact one of the main objectives of the Trojans is to install unsolicited dialers to the victim's computer. First the Trojan is delivered to the victim's PC through any file that he or she downloads from the internet. In most cases Trojan are spread through freeware and media file downloads. When the downloaded file is executed by the user the Trojan is installed in the computers HDD. Once the Trojan is installed it automatically downloads the porn dialer and installs it.

As the porn dialers are not identified by the anti virus software, you need to install dedicated dialer removal software to detect and remove the porn dialers. To ensure best effective protection from these dialers, it will be better to use an anti virus program that is equipped with Trojan removal and detection tool. It will give you ultimate protection from the deadly Trojans that is the main medium for installing dialers. Moreover, using a dialer detection tool will give you an enhanced protection from malicious auto dialers. So hurry up and go for it by downloading it free from the internet.