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Virus Encyclopedia

Welcome to the Virus Encyclopedia of Panda Security.

Banker.CJA

Threat LevelHigh threatDamageSevereDistributionNot widespread
Common name:Banker.CJA
Technical name:Trj/Banker.CJA
Threat level:Medium
Type:Trojan
Effects:  

It obtains data from several online services, as it prevents users from accessing the legitimate website of their bank and at the same time it displays a false website when users log in them. It reaches the computer downloaded by Trj/Nabload.CC.

Affected platforms:

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

First detected on:March 20, 2006
Detection updated on:Nov. 9, 2006
StatisticsNo
Proactive protection:
Yes, using TruPrevent Technologies

Brief Description 

    

Banker.CJA is a Trojan that obtains data from several online services. In order to do so, it follows the routine below:

  • It monitors if users access websites belonging to several banking entities.
  • If users enter their data in order to log in any of them, Banker.CJA prevents users from accessing them.
  • Instead, it displays a false website that imitates the original one.
  • If users enters their data again thinking that there has been an error, Banker.CJA obtains confidential user data, such as username and password.
  • Then, it sends the data it has gathered using the POST method of the HTTP protocol to certain URLs.

Banker.CJA reaches the computer downloaded by Trj/Nabload.CC.

Visible Symptoms 

    

Banker.CJA is difficult to recognize, as it does not display any messages or warnings that indicate it has reached the computer.

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