How to Get Rid of Trojans in System32

1. Navigate your web browser to a site that has an anti-virus program capable of detecting the System32 Trojan such as 'AVG Antivirus,' which can be found at http://free.avg.com/download-avg-anti-virus-free-edition or 'McAfee Antivirus,' which can be found at http://us.mcafee.com/root/downloads.asp?id=freeTrials. Download the program's installation file and then run the installation program.
2.
Click on the Start icon at the bottom end of the desktop. Choose the 'Shut Down' option and then click the 'Restart' button. Wait for the computer to begin its restart process and then press the 'F8' key as soon as you see the logo for your computer's manufacturer. Scroll through the list of menu options that appear, and highlight the entry labeled as 'Safe Mode.' Press the Enter key and wait for the computer to finish loading.
3. Open the Start menu and right-click on the 'Computer' button. Select the 'Properties' option from the menu that will appear. Click on the 'System Protection' link in the new window that will pop up. Click on 'Continue' and then navigate to the 'System Restore' tab. Click on the 'Turn Off System Restore' button and then close down the window.
4. Bring up the anti-virus program you installed. Locate the 'Update' button and click on it. Choose the option to download the most up-to-date virus detection algorithms. Wait for the file to finish downloading and then click on the 'Computer Scanner' button.
5. Click on the option to 'Scan Entire Computer.' Do not open any other programs and wait for the scanner to finish running. Click on the check box next to the 'System32' or 'Mari' entries when they appear. Click on the button labeled as 'Remove Problems.' Restart the computer once the entries have been deleted to finish removing the System32 Trojan from your computer.