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Panda Protection

Virus Encyclopedia

Welcome to the Virus Encyclopedia of Panda Security.

Downloader.JZN

Threat LevelHigh threatDamageSevereDistributionNot widespread
Common name:Downloader.JZN
Technical name:Trj/Downloader.JZN
Threat level:Medium
Type:Trojan
Effects:   It allows to get into the affected computer. It generates a large amount of network traffic activity with the consequent consumption of bandwidth. It carries out actions that decrease the security level of the computer. It downloads files from several websites. It does not spread automatically using its own means.
Affected platforms:

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

First detected on:Aug. 15, 2006
Detection updated on:Aug. 15, 2006
StatisticsNo

Brief Description 

    

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

 

  • In the local network: it generates a large amount of network activity and consumes bandwidth.

 

It reduces the security level of the computer: it changes the security settings of Internet Explorer, decreasing its security level; it changes system permissions, decreasing the security level.

 

Downloader.JZN accesses several websites to download files, which it then runs. These can be any type of file, although they are normally malware.

 

Downloader.JZN does not spread automatically using its own means. It needs an attacking user's intervention in order to reach the affected computer. The means of transmission used include, among others, floppy disks, CD-ROMs, email messages with attached files, Internet downloads, FTP, IRC channels, peer-to-peer (P2P) file sharing networks, etc.