How to Remove a Trojan Virus From Your Computer - A Step By Step Support Guide

By Kumar Gandharva Jha

Trojan virus, as the name suggests is a malicious computer program designed to infect a PC by changing its desktop or removing the important data files. The malware initially looks like a legitimate Windows application, software, or file etc. from a genuine source and prompts a user to click open or download it. A Trojan virus is usually hidden in screen savers, tray clocks, weather forecast applications, messenger applications, malicious programs, keygens, and cracks among other software applications. Commonly, Trojan viruses are embedded in free antivirus software versions that are circulated via peer-to-peer (P2P) networks such as torrents etc.
Common Symptoms of a Trojan Virus Infection:

• The PC suddenly slows down
• The PC does not shut down or takes longer than usual to shutdown
• The PC restarts itself and continues the same in a loop
• The PC crashes
• The desktop settings change automatically
• Missing data files or programs
• Inaccessible hard disk or disk drives
• Unexpected error messages etc.

Does Not Antivirus Help? Antivirus software can not identify a Trojan virus until it is completely installed on the computer with all the updates fully downloaded. Therefore, when you have accidentally clicked on a Trojan virus program, there is no escape until it fully enters your computer.
Manual Procedures:
For Microsoft Windows Users -

• Disable the 'System Restore' feature by clicking on the 'Start' button
• Right click on 'My Computer'; go to 'Properties', and then click on 'System Restore' tab
• Put a checkmark in the 'Turn Off System Restore' box
• Click on 'Apply', click on 'Yes' and then click on 'OK'
• Update your antivirus program with latest security definitions or download them manually from its website
• Run a scan to detect and remove the malicious Trojan virus files
• You can also write down Trojan virus files' linked path as well as names. They are usually found in the PC's 'C:\' drive, which is the hard drive to store important data sets.
• Edit the PC's backup registry entry by going into 'Start' menu, clicking on 'Run'
• In the 'Run' window, key in 'regedit' and then click on 'OK'
• From the list, find out the registry entry that is linked to the Trojan virus files. Such files may have prefix as 'HKEY' with the file path. Select the registry entry and remove it in order to ensure that the Trojan virus file is fully removed.
• Close the registry entry list and restart the PC in order to make the changes effective

For Macintosh Users-

• Reboot your PC, press and hold the 'Shift' Key on the keyboard while it is restarting
• Open your antivirus program, which is installed on your PC
• When the window appears, go to the 'Disk View' and select your PC
• Select 'Scan/Repair' to let the antivirus detect and remove the Trojan virus
• Restart the PC to make sure that the particular malware has been removed. When the PC is up and running again, clean the trash can that holds the Trojan virus
• Keep your antivirus updated with latest security definitions; you can also manually download latest definitions from your antivirus' website.

For additional security, you can clean cookies, internet cache, internet history, download history, and session etc. The above mentioned procedures are successfully tested methods and hence should resolve the problem. However, the procedure may seem lengthy and cumbersome to you. In this case, you can always approach a certified technical support for help

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Article Source: http://EzineArticles.com/?expert=Kumar_Gandharva_Jha

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