Friday, 29 January 2016

Remove JS/ExtenBro.AgentBB


JS/ExtenBro.AgentBB is kind of generic detection  used by different anti-malware programs, that indicates that you are infected with a Trojan virus classified as potentially malicious.
JS/ExtenBro.AgentBB can open a backdoor which allows remote access to an attacker. This infection could include the installation of additional malware, or malicious components on your computer.

Note: Trojans are malicious programs that perform no authorized user actions. These actions may include the following: Deleting data, Lock Data, Modifying Data, Copying data, Interruption of performance of computers or computer networks. Unlike viruses and worms, Trojans can't multiply.

How can JS/ExtenBro.AgentBB got on my computer?
Given the general nature of the detection could infect your computer different ways. The threat may also be downloaded because is downloaded by other virus. Often these kind of infections can be installed by copying the executable in Windows or Windows\System folder and then edit the registry to run this file everytime startup the computer. Another method used to propagate this type of malware is when browsing malicious websites or infected websites, the user downloads the virus unknowingly. The threat can also be downloaded manually where the user thinks that the download is legitimate (fake actualization of Java, Flash player, Video Update). You can also download when you are user of P2P file sharing programs. Will use vulnerabilities in your computer through exploits kits. When receiving spam emails or emails with unknown sender with malicious links or malicious files attached.
How to remove JS/ExtenBro.AgentBB?

Note: All software used to remove JS/ExtenBro.AgentBB it's totaly free. These steps are tested and should remove this threat in your computer. For successfully remove  the JS/ExtenBro.AgentBB trojan you must follow all the steps in the order shown.
Very important: If during the process of removing the threat you have any problems, please you must stop.

STEP 1: Remove JS/ExtenBro.AgentBB with TDSSKiller
STEP 2: Use Chamaleon for to run Malwarebytes Anti-Malware
STEP 3: Scan your computer with ESET Nod32 OnLine for malicious threats

STEP 4: Remove JS/ExtenBro.AgentBB trojan with AdwCleaner
STEP 5: Clean your system and repair the Windows registry with CCleaner

STEP 6: Remove with Delfix all the programs recomended

STEP 1: Remove JS/ExtenBro.AgentBB with TDSSKiller

Normally JS/ExtenBro.AgentBB installs a rootkit for hide itself in your computer.  TDSSKiller helps detect and remove this type of malware.
  1. You can download TDSSKiller from the Anti-Rootkits page
  2. Select the option zip or exe, download it and unzip it if it's necessary. Finally save it in your desktop.
    Select option for download TDSKiller
  3. Double click to the file and appears the first screen where you must accept End User License Agreement.
    End User License Agreement TDSKiller
  4. Now you must select the Change Parameters for modify the configuration parameters of the analisis.
    Principal screen of TDSSKiller
  5. Click the parameters as shown in the image and Ok. Now begin the analysis by the Start scan button.
    Config TDSSKiller
  6. TDSSKiller begins to analize your system.
    Análisis en curso de TDSSKiller
  7. When the scan is complete, it will display a result screen (may be different in another case).
    TDSSKiller Results
  8. Click on Continue button for to remove the threats detected. Finally you must reboot your system for finalice it.
  9. In my Youtube channel you can watch a video explaining how to use TDSSKiller. (Video TDSSKiller)
  10. Go back Remove JS/ExtenBro.AgentBB.
STEP 2: Use Chamaleon for to run Malwarebytes Anti-Malware

Some cases Malwarebytes Anti-Malware can be blocked for some threats. Chamaleon helps you to run Malwarebytes Anti-Malware and you can do a system analisis.
  1. You can download Chamaleon from the Anti-Malware page, and save it in your desktop.
  2. Then unzip the file and open the folder. You must double click on the files, one by one until Chamaleon runs correctly and you can analyze the system.
    Archivos Chamaleon
  3. All files are the same but with  a different name. If you execute one and don't work, continue with the next. For example you can start by MBAM-chameleon.
  4. If you don't have installed the program, Chamaleon will download it and will execute it. If you have installed MalwareBytes Anti-Malware, Chamaleon will execute it. 
    Descarga Chamaleon
  5. You can download Malwarebytes Anti-Malware Free from the Anti-Malware page
  6. Select language and click Ok. Malwarebytes click Next. The installation start and you will see the Malwarebytes Anti-Malware Setup Wizard screen and click Next.
    Install Malwarebytes
  7. Install the program and follow each of the steps without changing any default settings. When installation is complete click Enable free trial of Malwarebytes Anti-Malware Premium and click Launch Malwarebytes Antimalware and then click Finish to exit Setup.
    Finish installation Malwarebytes
  8. When update is finished click to the button Scan Now for begin to scan your system to detect threats.
    Scan Malwarebytes
  9. Other method to scan threats is click to option Scan and then select the option Threat Scan, finally click the button Start Scan.
    Scan with Malwarebytes
  10. Malwarebytes begin to scan the computer and and you must wait for it to finish. 
    Malwarebytes scanning
  11. When the scan is complete will see the results. For delete the threats click the button Remove Selected.
    Malwarebytes Results scan
  12. This action has put the threats in quarantined.
    Malwarebytes threats in quarantine
  13. If you click to History option you can delete the threats you want.
    Malwarebytes delete threats in quarantine
  14. On my Youtube channel you can watch a video explaining how to use Malwarebytes Anti-Malware. (Video Malwarebytes ver. 2)
  15. On my Youtube channel you can watch a video explaining how to use Chamaleon (Video Chamaleon)

STEP 3: Scan your computer with ESET Nod32 OnLine for malicious threats

ESET Online Scanner it's a free service online, simple and fast, which makes anti-threats virtual analisis.
  1. You can download Esetsmartinstaller_enu from the OnLine Antivirus page.
  2. Double-click to install it. You will show a screen where you accept the Terms of use, and click Start button.
    Terms of use Eset Online Scanner
  3. In the next screen you must configure the Computer scan settings. You must select the options you can see in the image.
    Configuration Eset Online Scanner
  4. Click Start button to begin downloading the virus signature database and then start analyzing your system.
    Start analisis with Eset
  5. When the scan is complete Eset will remove detected threats. Select the options Uninstall application when finish and Delete quarantine files, and then click Finish button.
    Eset Online Scanner results
  6. In my Youtube channel you can watch a video explaining how to use  ESET Online Escáner (Video Eset OnLine Escaner)
Note: This antivirus does not have the ability to analyze our computer in real time. To be protected in real time with a good free antivirus can go to Free Antivirus section.
Free Anti-virus

STEP 4: Remove JS/ExtenBro.AgentBB trojan with AdwCleaner

AdwCleaner can remove all kind of adware, toolbars, potentially unwanted program (PUPs) and browser hijackers.
  1. You can download Adwcleaner from the section AntiSpyware, and save it to your desktop.
  2. Before running Adwcleaner, close all open programs and then run the program as administrator.
    Starting Adwcleaner
  3. Adwcleaner will open and appears the Terms of use. Click the button I agree.
    Terms of use AdwCleaner
  4. Click Scan button to search malicious files installed by Green Game.
    Scan files with Adwcleaner
  5. When the process is finished click the Cleaning button for to remove the problems detected.
    Cleaning with Adwcleaner
  6. It show a message and click Ok.
    Message close programs Adwcleaner
  7. It will show an informational message that will Accept and then restart the computer.
    Information Adwcleaner
  8. After that, uninstall the program with the Uninstall option. This is because all the times you need to use Adwcleaner is necessary download again for to get a updated version of the program.
  9. In my Youtube channel you can watch a video explaining how to use AdwCleaner. (Video AdwCleaner)

STEP 5: Clean your system and repair the Windows registry with CCleaner

CCleaner is a very interesting tool for to clean your computer of unnecessary files and for to repair the Windows registry.
  1. You can download CCleaner from Tools section. 
  2. Double-click on the file named ccsetupXXX.exe for to proceed to installation. First, select the language, then select the options by default and install the program. Finally select the option to run CCleaner and will press Finish.
    Ccleaner installed
  3. When Ccleaner is running click at the Cleaner option and then click to the Analyze button. Don't change any option, use the options by default.
    Scan with cleaner
  4. After the scan you can see the results. Then click the button Run Cleaner for to clean your computer.

    Clean your computer with Ccleaner

  5. After that scan, click Registry option and then click Scan for Issues button. Don't change any option, use the options by default.
    Repair the registry with Ccleaner

  6. When the scan is finished click to the Fix selected Issues.. button and make a BackUp of the registry. Finally click Fix All Selected Issues button.
    Repair the registry with Ccleaner

  7. Repeat the operation and click the Scan for Issues button and then Fix selected Issues button to don't find more issues.
  8. In my Youtube channel you can watch a video explaining how to use CCleaner. (Video CCleaner)
  9. Go back Remove JS/ExtenBro.AgentBB.
STEP 6: Remove with Delfix all the programs recomended

Is necessary removal the applications because this kind programs are constantly updated. It's necessary download the programs all the times you need scan your computer.
  1. You can download DelFix from Tools page.
  2. Double-Click on the file named delfix_XXX.exe and you will see this screen.
    Initial screen DelFix
  3. Check all the options and click Run button.
    Scan DelFix
  4. Automatically will make a copy of the registry and uninstall the programs used.
    DelFix Cleaning system restore
  5. In my Youtube channel you can watch a video explaining how to use DelFix. (Video DelFix
  6. Go back Remove JS/ExtenBro.AgentBB.

All articles and utilities recommended are completely free. If you would like to support with a donation, every amount is appreciated.

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