Dyfuca Trojan

Some common facts about Dyfuca Trojan and how can you remove it from your system?

Dyfuca is a Trojan downloader, which installs on a system in form of a normal file via some other malware. It can also get downloaded when you unknowingly visit a malicious website. Windows 95, Windows 2005, Windows 98, Windows NT, Windows Me, Windows Server 2003 andWindows XP operating systems are generally affected by this Trojan. Even though it is a low-risk Trojan, Dyfuca still poses a virus threat to the security of your computer.

• Activities of Dyfuca Trojan
• Symptoms associated with Dyfuca
• How to remove Dyfuca Trojan from your system

Activities of Dyfuca Trojan

Also known as Trojan Downloader.Dyfuca.cw or Dyfuca.Internet Optimizer, it carries on the following activities while installed your computer:

• It creates folders like ‘%ProgramFiles% Internet Optimizer’.
• It creates some registry entries in order to enable auto execution.
• In some cases, it downloads malicious files from URLs of the form ‘www.in[*****]er.com/conf/xml’.
• It downloads a number of malicious files and installs the same on the system.

Symptoms associated with Dyfuca

Given below are some of the symptoms that might help you to determine whether your system is infected with the Dyfuca Trojan :

• Your PC takes a longer time to restart or the Internet speed on your system is too slow.
• New shortcuts get created on your desktop and unwanted websites get opened without your permission.
• E-mails get sent from your mailbox without your knowledge.
• A larger number of pop-ups appear every now and then.
• Other malicious programs get installed and updated on your computer.

How to remove Dyfuca Trojan from your system

If your system is infected with the Dyfuca Trojan, follow the below-mentioned steps and remove it successfully from your computer.

1. Click ‘Start’ and then go to ‘Control Panel’.
2. In ‘Control Panel’, open ‘Add and Remove Programs’ by double-clicking the same.
3. Click on ‘Internet Optimizer’.
4. Depending upon your operating system, click ‘Change/Remove’ or ‘Add/Remove’ or simply ‘Remove’.
5. Follow the prompts.
6. Do the same to go to ‘Active Alert’ and delete it.
7. Click ‘Start’, click ‘Run’ and type ‘regedit’.
8. Press ‘OK’ and delete anything named ‘Dyfuca’ or ‘Internet Optimizer’.9. Restart your computer.

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