As their name suggests, these types of viruses make themselves invisible by taking refuge within legitimate applications. When the legitimate software is opened, often using an email message or a download from the internet, the Trojan is able to gain access to your computer. Once they have been allowed access, the Trojans reign of havoc commences immediately. There are a number of variants having one main purpose; to take control of your computer system and make your data and personal information available to unauthorised eyes. There are a number of approaches to eradicate these malicious programs and to regain control of your PC.
Operating systems such as Windows allows you to locate and destroy Trojans that might by hiding within your computer system. At the Start menu click on the All Programs button. Choose the option called Windows update. Windows will analyse your system and will notify you if any updates are outstanding on your system. Once you have selected to have the outstanding ones installed, Windows will download and install what is required and fix your system. Your computer will then be rebooted so that the system may be fully updated with the new fixes and patches. If the Trojan is still on your system, then use anti-adware software to locate and eradicate this harmful contender from your system.
Some operating systems have a facility which allows the users to back-date a system. This allows you to restore the system to the state that it was in before your computer was affected by the Trojan or any other threat. In technical terms it is called a restore point which you set manually when new software is installed, or the operating system will do such a setting automatically. In effect, the restore point will allow you to work on s computer as if the problematic software was never installed on the computer in the first place.
As a last resort, it might be necessary to return your computer back to the state it was when it just left the factory. This step should only be taken if the Trojan had been able to cause irreparable damage to the computer. When this option is necessary, all data and software that was installed on your hard drives will be lost. It will like starting off on a clean slate. The operating system and all software that you need will have to be reinstalled.
When purchasing a PC at a dealer it will come with an operating system preinstalled. Sometimes anti-virus software may be included. If not, then a suitable computer security solution must be installed as soon as possible. As soon as you venture online, your unprotected computer will be extremely vulnerable to any online attack.
Many computer users lack the experience and confidence to successfully locate and destroy a virus which has attacked their PC. Help is always at hand. If unsure, then there is nothing better than calling in the professionals. There are many such individuals around who offer support services specialising in the removal of computer viruses, Trojans and other malicious online threats.