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Panda Protection

Virus Encyclopedia

Welcome to the Virus Encyclopedia of Panda Security.

Banker.MDK

Threat LevelLow threatDamageHighDistributionNot widespread
Common name:Banker.MDK
Technical name:Trj/Banker.MDK
Threat level:Medium
Alias:Trojan.Win32.Cosmu.kno,
Type:Trojan
Effects:   It allows to get into the affected computer. It searches for and steals passwords saved for certain Windows services. It uses the infected computer to take malicious actions on other users. It changes system permissions. It uses stealth techniques to avoid being detected by the user. It spreads , across the Internet.
Affected platforms:

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

First detected on:Feb. 21, 2010
Detection updated on:April 7, 2010
StatisticsNo

Brief Description 

    

Banker.MDK is a Trojan, which although seemingly inoffensive, can actually carry out attacks and intrusions.

 

It captures certain information entered or saved by the user, with the corresponding threat to privacy: passwords saved by certain Windows services.

 

It affects productivity, preventing tasks from being carried out:

  • In the affected computer: it converts the computer into a platform for taking malicious action surreptitiously: spam sending, launch of Denial of Service attacks, malware distribution, etc.

 

It reduces the security level of the computer: it changes system permissions, decreasing the security level.

 

It uses stealth techniques to avoid being detected by the user:

  • It modifies system permissions in order to hide itself.

 

Banker.MDK 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.