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Panda Protection

Virus Encyclopedia

Welcome to the Virus Encyclopedia of Panda Security.

Dialer.LHY

Threat LevelLow threatDamageHighDistributionNot widespread
Common name:Dialer.LHY
Technical name:Dialer.LHY
Threat level:Medium
Type:Dialer
Effects:   It establishes a phone connection with a high rate number. It displays pop-up messages when it runs, distracting users and affecting productivity. It spreads , across the Internet.
Affected platforms:

Windows 2003/XP/2000/NT/ME/98/95

First detected on:Feb. 2, 2009
Detection updated on:Feb. 2, 2009
StatisticsNo

Brief Description 

    

Dialer.LHY is a dialer type malware. Dialers usually try to establish phone connections with high rate numbers, significantly increasing the phone bill of the affected user.

Dialer.LHY affects computers that use a modem to connect to the Internet, as the virus modifies the Dial-up network access settings. It changes the telephone number provided by the ISP (Internet Service Provider), which is a local-rate number, to a high-rate number.

 

It affects productivity, preventing tasks from being carried out:

  • In the affected computer: it displays pop-up windows.

 

Dialer.LHY uses the following propagation or distribution methods:

  • Exploiting vulnerabilities with the intervention of the user: exploiting vulnerabilities in file formats or applications. To exploit them successfully it needs the intervention of the user: opening files, viewing malicious web pages, reading emails, etc.
  • Via Internet, exploiting remote vulnerabilities: attacking random IP addresses, in which it tries to insert a copy of itself by exploiting one or more vulnerabilities.

 

Visible Symptoms

 

Dialer.LHY is easy to recognize, as it shows the following symptoms:

  • It creates shortcuts in the Windows Desktop.