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Backdoor.VB.qgf

Posted: June 21, 2011

Backdoor.VB.qgf is a backdoor Trojan that infects your PC without your knowledge and proceeds to create security vulnerabilities in your machine. Computers that are infected by Backdoor.VB.qgf may also suffer from a loss of various critical system files, in addition to standard backdoor Trojan attacks, which can include remote control of your computer. Despite the minimal symptoms or side effects of a Backdoor.VB.qgf infection, you should delete Backdoor.VB.qgf since Backdoor.VB.qgf's threat to your PC security is difficult to underestimate.

How Backdoor.VB.qgf Gets the Keys to Unlock Your Computer's Security

Trojans like Backdoor.VB.qgf aren't capable of infecting other files like viruses or copying themselves like worms, but can still proliferate with ease by exploiting malicious scripts. Flash or JavaScript scripts that are embedded in advertisements or other website content can install Backdoor.VB.qgf, or another Trojan without your consent, or even any visual signs that the installation is happening.

If you want to protect yourself from any possible Backdoor.VB.qgf attacks, disable Flash and JavaScript for untrustworthy sources, update your browser and keep security software active at all times. Backdoor.VB.qgf has been reported to attack all modern versions of Windows, including NT, Vista, XP, 2000 and Windows 7.

Backdoor.VB.qgf: In Your PC and Taking Your Computer Safety Off Its Hinges

Backdoor.VB.qgf has been known to delete a variety of important system files, an attack that can cause serious damage to your PC, potentially to the point of making your computer inoperable. However, the main danger of any Backdoor.VB.qgf infection lies in Backdoor.VB.qgf's backdoor attacks:

  • After being installed, Backdoor.VB.qgf will attempt to disable your firewall and other security measures. This creates a 'backdoor' in your security that remote criminals can exploit. Most backdoor Trojans like Backdoor.VB.qgf will contact anonymous individuals to announce that the backdoor exists, which allows criminals to take advantage of the security hole.
  • Backdoor.VB.qgf may also install a RAT (Remote Administration Tool) or other malicious software that can be used to control your PC. Remotely-controlled PCs can be forced to engage in DDoS attacks that shut down websites, and harm the speed and stability of the infected computer.

Usual signs of an infection by Backdoor.VB.qgf or another backdoor Trojan include unusual memory usage, poor system stability or operating speed, disabled applications and program-based exceptions that are created in your firewall without your permission.

Backdoor.VB.qgf and other Trojans are designed to hide and avoid deletion if possible, so you should rely on an anti-spyware program or other security software to remove Backdoor.VB.qgf from your PC.

File System Modifications

  • The following files were created in the system:
    # File Name
    1 C:\WINDOWS\
    2 C:\WINDOWS\system32\
    3 C:\WINDOWS\system32\drivers\

Registry Modifications

  • The following newly produced Registry Values are:
    HKEY..\..\..\..{Subkeys}HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\RunOnceHKEY..\..\..\..{RegistryKeys}HKEY_LOCAL_MACHINESOFTWAREMICROSOFTWINDOWSCURRENTVERSIONRUN XTray.exeHKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\..{RunKeys}HKEY_LOCAL_MACHINE\SOFTWARE\MICROSOFT\WINDOWS\CURRENTVERSION\RUN\ XTray.exeHKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\RunOnceHKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\RunServicesOnce
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