Trojans, also known as Trojan horses, can cause a host of problems for your computer. Fortunately, Microsoft, the producer of Windows, has created a free anti-malware program that is capable of removing Trojans and other malicious programs from your computer. This program can be downloaded from the Microsoft Safety and Security Center.
What is a Trojan?
What distinguishes a Trojan from other malicious programs, such as a computer virus, is that a Trojan does not spread itself. Instead, a Trojan disguises itself as a legitimate application, such as a video codec, to trick users into downloading the Trojan onto their computer. Several types of Trojans are classified based on the damage they do. Fore example, key loggers record your keystrokes and send the information, which may include online banking passwords and other sensitive information, to remote hackers. Remote Access Trojans on the other hand give a remote hacker complete control over your computer.
Microsoft Security Essentials
Microsoft Security Essentials offers protection against malicious programs, including viruses, Trojans and spyware. This is different than Windows Defender, another Internet Security tool created by Microsoft that offers protection only from spyware. In addition to preventing malicious programs from infecting your computer, Microsoft Security Essentials removes malicious programs that have already infected your computer. The anti-malware program also integrates with the Windows Firewall and cleans your system.
To remove a Trojan from your computer, you need to run a full system scan with Microsoft Security Essentials. To do this, open Microsoft Security Essentials, click the "Home" tab, check the box next to "Full" and click "Scan Now." Microsoft Security Essentials scans your entire computer and automatically removes any Trojans that it detects. This may take anywhere from several minutes to several hours.
Microsoft Security Essentials can help prevent Trojans from infecting your computer as well. To enable this feature, open Microsoft Security Essentials, click the "Settings" tab, click "Real-Time Protection," check the box next to "Use Real-Time Protection" and click "Save Changes." In addition, you can help prevent Trojans from infecting your computer by not opening suspicious e-mail attachments and staying away from freeware programs that you do not trust.
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