W32.backboot.gen – Removal Instructions

By | mei 31, 2013
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W32.backboot.gen is a dangerous trojan also known as a rootkit. This type of malware possesses the ability to steal password and other sensitive personal information from the compromised computer. Once W32.backboot.gen is installed on the compromised computer, it becomes possible to hide it self from detection of your security software; it is also able to maintain administrator access to your computer and essential system files. It can full control over a system that means the existing programs can be modified and updated as well.

In the most cases the W32.backboot.gen rootkit takes action to change the browser setting, DNS settings and LAN settings to make the system at lowest security level to allow further infection and attack of your computer.

It is highly recommend to remove this W32.backboot.gen rootkit  as soon as possible. The following step-by-step removal guide will describe how you can remove W32.backboot.gen completely from your computer.

W32.backboot.gen – Removal Instructions

W32.backboot.gen

W32.backboot.gen – Removal Instructions

All tools used in our malware removal guides are completely free to use and should remove any trace of malware from your computer.
Please be aware that removing Malware is not so simple, and we strongly recommend to backup your personal files and folders before you start the malware removal process.

1. Run a scan with TDSSKiller

Please download the latest official version of Kaspersky TDSSKiller to your desktop from one of the links below.
http://support.kaspersky.com/downloads/utils/tdsskiller.exe
http://support.kaspersky.com/downloads/utils/tdsskiller.zip

  • If you can’t start Kaspersky TDSSKiller, you first need to rename it so that you can get it to run. Rename the executable from TDSSKiller.exe to iexplore.exe or svchost.exe, and then double-click on it to launch.
  • Kaspersky TDSSKiller will now start and display the welcome screen and we will need to click on Change Parameters option.
  • Check the boxes beside Verify Driver Digital Signature and Detect TDLFS file system, then click OK.

  • Next,we will need to start a scan with Kaspersky TDSSKiller
  • Click the Start Scan button to begin the scan and wait for it to finish.
  • Warning! Do not use the computer during the scan!
  • When it finishes, you will either see a report that no threats were found like below:
  • If no threats are found at this point, just click the Report selection on the top right of the form to generate a log. A log file report will pop which you can just close since the report file is already saved.
  • If any infection or suspected items are found, you will see a window similar to below.

  • If you have files that are shown to fail signature check do not take any action on these. Make sure you select Skip. We will tell you what to do with these later. These may not be issues at all.
  • If ‘Suspicious objects’ are detected, the default action will be Skip. Leave the default set to Skip and click on Continue.
  • If Malicious objects are detected, they will show in the Scan results. TDSSKiller automatically selects an action (Cure or Delete) for malicious objects.
  • Make sure that Cure is selected. Important! -> If Cure is not available, please choose Skip instead. Do not choose Delete unless instructed to do so.
  • Just for Reference purposes, if you were to quarantine any detected objects, Quarantined files will not be removed! They are moved to a quarantine folder.
  • The default quarantine folder is in the system disk root folder, e.g.:
  • C:\TDSSKiller_Quarantine\23.07.2010_15.31.43
  • After clicking Next, TDSSKiller applies selected actions and outputs the result.
  • A reboot might require after disinfection, please reboot immediately if it states that one is needed.

2. Run a scan with Malwarebytes Anti-Malware

Download Malwarebytes Anti-Malware to your desktop.

  • Double-click mbam-setup.exe and follow the prompts to install the program.
  • At the end, be sure a checkmark is placed next to Update Malwarebytes’ Anti-Malware and Launch Malwarebytes’ Anti-Malware
  • Then click Finish.
  • If an update is found, it will download and install the latest version.
  • Once the program has loaded, select Perform quick scan, then click Scan.
  • When the scan is complete, click OK, then Show Results to view the results.
  • Be sure that everything is Checked (ticked) except items in the C:\System Volume Information folder and click on Remove Selected.
  • If you accidently close it, the log file is saved here and will be named like this: C:\Documents and Settings\Username\Application Data\Malwarebytes\Malwarebytes’ Anti-Malware\Logs\mbam-log-date (time).txt
  • Note: If MBAM encounters a file that is difficult to remove, you will be presented with 1 of 2 prompts.
  • Click OK to either and let MBAM proceed with the disinfection process.
  • If asked to restart the computer, please do so immediately. Failure to reboot will prevent MBAM from removing all the malware.
  • After the restart in Normal mode, start Malwarebytes Anti-Malware again and perform a Full System scan to verify that there are no remaining threats.

3. Run a scan with HitmanPro

Please download HitmanPro to your desktop from one of the following links
HitmanPro (32bit) – Direct download link
HitmanPro (64bit) – Direct download link

  • Double click on HitmanPro to start the program, if you are experiencing problems while trying to start HitmanPro, you can use the Force Breach mode.
  • To start HitmanPro in Force Breach mode, hold down the left CTRL-key when you double click on HitmanPro and all non-essential processes will be terminated, including the malware processes.
  • HitmanPro will start and you’ll need to follow the prompts (by clicking on the Next button) to start a system scan with this program.
  • The program will start to scan the computer. The scan will typically take no more than 2-3 minutes.
  • Click on the next button and choose the option activate free license
  • Click on the next button and the infections where will be deleted.

  • Click now on the Save Log option and save this log to your desktop.
  • Click on the next button and restart the computer.

4. Run a full (deep) scan with Emsisoft Anti-Malware

Download the Emsisoft Anti-Malware setup program to your desktop.

  • Once the installation package has been downloaded, double-click on the EmsisoftAntiMalwareSetup.exe icon to install Emsisoft Anti-Malware.
  • If the setup program displays an alert about safe mode if you try to install Emsisoft Anti-Malware in safe mode, please click on the Yes button to continue.
  • You should now see a dialog asking what language you would like to use. Please select the language you wish to use and press the OK button.
  • In the next screen accept the License Agreement by checking the option “I accept the agreement” and click on the install button.
  • After the necessary files are copied, you will get to a screen asking the mode that you wish to use Emsisoft Anti-Malware.
  • If you want to use the freeware mode whitout protection choose this option, we recommend to use the 30 days free trial (within this option you can get the full version of Emsisoft Anti-Malware for free, click here for more information about the Emsisoft Referral Rewards Program.

  • You will now be at a screen asking if you wish to join Emsisoft’s Anti-Malware network. Read the descriptions and uncheck the options that you wish to use. When you are ready click on the Next button.
  • Next Emsisoft Anti-Malware will begin to update it’s virus defenitions.
  • When the updates are completed, click on the Clean computer now button. Emsisoft Anti-Malware will start to load its scanning engine and then display a screen asking what type of scan you would like to perform.
  • Please select the Deep Scan option and then click on the Scan button. The Deep Scan option will take the longest time to scan your computer, but will also be the most thorough. As you are here to clean infections, it is worth the wait to make sure your computer is properly scanned.
  • Emsisoft Anti-Malware will now start to scan your computer for rootkits and malware.
  • Please be patient while Emsisoft Anti-Malware scans your computer.

  • When the scan has finished, the program will display the scan results that shows what infections where found.
  • Now click on the Quarantine Selected Objects button, which will remove the infections and place them in the program’s quarantine.
  • If you see a messag like “Not all Malware objects have been quarantined, Do you want to place them in quarantine now?” click on “Yes
  • You will now be at the last screen of the Emsisoft Anti-Malware setup program, click on the button Close setup wizzard.
  • If Emsisoft prompts you to reboot your computer to finish the clean up process, please allow it to do so.
  • Please reboot directly your computer when Emsisoft Ant-Malware is finished to complete the installation process.

Information

Some of the programs that we used in our malware removal guides would be a good idea to keep and used often in helping to keep the computer clean. Malwarebytes Anti-Malware is one of the most powerful anti-malware tools. It is totally free but for real-time protection you will have to pay a small one-time fee. The license of Malwarebytes Anti-Malware is life-time so you have to buy it once, and because Malwarebytes Anti-Malware is a great addition to your regular virusscanner of security programs.

Choose a good internet security suite, Bitdefender’s Internet security 2013 is an excellent, user-friendly security suite, and with the autopilot technology there are no popups, no alerts or other messages because in this mode it will resolve almost every security issue on its own without the intervention of the user.

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