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Panda Protection

Virus Encyclopedia

Welcome to the Virus Encyclopedia of Panda Security.

Downloader.JQW

Threat LevelHigh threatDamageSevereDistributionNot widespread
Common name:Downloader.JQW
Technical name:Trj/Downloader.JQW
Threat level:Medium
Type:Trojan
Effects:   It allows to get into the affected computer. It changes the security settings of Internet Explorer. It downloads files from several websites. It uses stealth techniques to avoid being detected by the user. It does not spread automatically using its own means.
Affected platforms:

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

First detected on:July 26, 2006
Detection updated on:July 26, 2006
StatisticsNo

Brief Description 

    

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

 

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

 

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

 

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

  • It deletes the original file from which it was run once it is installed on the computer.

 

Downloader.JQW 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.