If your modem has been acting strangely lately, this may be your case. a-squared Anti-Dialer is the program that you want to turn to because it searches for all of those intruders that may have slipped into your PC to make international calls.
This is the new version of a-squared, the complete application which provides real-time security against hackers, spyware, worms, dialers, trojans and keyloggers, keeping your PC protected from any threats it may encounter on the web.
This version has a long list of corrections, changes, and new developments that significantly improve functioning.