February 28, 2011

Auto Dialer.

Some time ago, the phone companies came up with a feature that allowed merchants to reach a broader range of customers by allowing consumers to make payments via your phone bill. If you did not have a credit card, you just dialed a 900 number, connected by voice or modem (for Internet sites). Every minute you used the service, you were charged a fee ranging from $1 to $5 or more per minute. At months end, the charge appeared on the phone bill. Many services were legit Consumers called weather, horoscope and gambling services offering this feature. But many merchants sold expensive phone or online adult content.

 
   
Although many of infected services require the user to physically dial the number or connect to the online site by instructing the modem to dial the number, this can happen without the users knowledge. In the above case, the persons computer was infected with an auto-dialer virus. Somewhere during his Web travels, he connected to a site that popped up a rather confusing message instructing him to "Hit OK" to make the message go away. What this person didn't know was he was agreeing to download, install, and execute an adult content auto-dialer.

Behind the scene, the auto-dialer installed itself, checked for the presence of a modem and dial tone, and then proceeded to dial an overseas 900 number over and over again. 
 

 
How To Protect?

Unfortunately, there is no single solution to avoid these types of malicious acts. A short list of protective measures would include:
  • If you no longer need a modem in your computer, remove it. Or at least disconnect the phone line from the modem.
  • Install anti-virus software. Many are designed to prevent this kind of malicious software, or "Malware." More importantly, make sure your subscription for new virus patterns is current and configured to automatically download and install updates.
  • Install and regularly run Adware protection solutions.
  • And do not, under any circumstances, blindly hit "OK" to pop-ups or similar annoyances without first making sure what you are agreeing to.
Removal:

Although it is possible to manually find and remove Auto Dialer, such activity can permanently damage your system if any mistakes are made in the process, as advanced spyware parasites are able to automatically repair themselves if not completely removed. Thus, manual spyware removal is recommended for experienced users only, such as IT specialists or highly qualified system administrators. For other users, we recommend  malware and spyware removal applications.

After removing all infected files, restart your computer and the issue will be fixed. And don’t forget to do update your Security Software, check the Firewall Settings and the Operating System and finally do a full system scan with the Security Software.

1 comments:

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