How to use combofix:
Please use the official ComboFix guide in the below link:
http://www.bleepingcomputer.com/combofix/how-to-use-combofix
1. Temporarily disable your antispyware, antivirus and any antimalware real-time protection, so they may interfere with running of ComboFix.
2. Download Combofix.
Download combofix from the direct link above and save it to your Desktop.
3. Install Recovery console. (only Windows XP)
Skip the step, if the Windows Recovery Console is already installed.
* If you have Windows XP disk, then read the article: How to install and use the Windows XP Recovery Console.
* You should know version of Windows. Right click the My computer icon. Click Properties. In the window read information about your Windows version.
* Click here for open Microsoft’s website.
* Scroll down.
* Select the download that’s appropriate for your operating system and download setup boot disk installation to your Desktop. Use Service pack 2 version, if your Windows XP is Windows XP Service pack 3.
* Now close all open windows and programs.
* Drag the setup package and drop onto ComboFix.exe.
* Follow the prompts to start ComboFix and when prompted, agree to the End-User License Agreement to install the Microsoft Recovery Console.
* At the next prompt, click ‘Yes’ to run the full ComboFix scan.
* When the tool is finished, it will produce a report for you.
4. Run combofix.
* Close all programs. Your Task Bar should be clear of any program entries including your Internet Browser.
* Double click Combofix.exe icon on your Desktop to start it.
* If the Microsoft Windows Recovery Console is already installed, ComboFix will continue it’s malware removal procedures, if no, then follow the prompts to allow ComboFix to download and install the Microsoft Windows Recovery Console and when prompted, agree to the End-User License Agreement to install the Microsoft Windows Recovery Console. Once installed, you should see the following message:
The recovery console was successfuly installed.
Click ‘YES’ to continue scanning for malware
Click ‘NO’ for exit
Click YES button.
* The scan will temporarily disable your desktop, and if interrupted may leave your desktop disabled. If this occurs, please reboot to restore the desktop. Even when ComboFix appears to be doing nothing, look at your “drive access” light. If it is flashing, Combofix is still at work.
* When finished, it shall produce a log for you.
Note: Do not mouseclick combofix’s window while its running. That may cause it to stall
You Can Download Combofix Software Click Here