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Virus Encyclopedia

Welcome to the Virus Encyclopedia of Panda Security.

QQPass.BSF

Threat LevelModerate threatDamageHighDistributionNot widespread
Common name:QQPass.BSF
Technical name:Rootkit/QQPass.BSF
Threat level:Low
Type:Hacking Tool
Effects:   It allows to carry out dangerous actions for the victims of attacks.
Affected platforms:

Windows 2003/XP/2000/NT/ME/98/95/3.X

First detected on:April 1, 2009
Detection updated on:April 1, 2009
StatisticsNo

Brief Description 

    

QQPass.BSF is a rootkit. These are programs used to hide files, Windows Registry entries or processes, either their own or those of other programs.

In this way, even when a user looks for these items on a computer, they won't be able to see them.

Rootkits have been widely used for malicious ends, to camouflage other programs on computers that have previously been compromised through other means.

There are certain examples of malware that use rootkits in order to go unnoticed on the computer they have infected.

 

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

 

QQPass.BSF prevents access from programs to websites of several companies related with security tools (antivirus programs, firewalls, etc.).

 

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.

 

QQPass.BSF 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.

 

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