W32.Fujacks.CB

Threat Summary

Threat: W32.Fujacks.CB
Type: Trojan, Downloader
Brief Description: Trojan Downloader is a threat that can download and execute malicious files on the computer.

Description

W32.Fujacks.CB is a computer Trojan that was named by Symantec Anti-virus to identify harmful program that aims to drop other malware files onto the infected computer. Presence of W32.Fujacks.CB can trigger more damages on the PC by fetching other threats from a remote server.

The main goal of this Trojan is to deploy a different malware that has a broad payload onto target PC. Dropped files and what it can cause to the system can be variable. Authors have specific code for the Trojan when and where to fetch the malware. Thus, damage it can bring to individual computer is uncertain. However, it is noticed that variant of W32.Fujacks.CB on this date is more inclined into spreading rogue programs and ransom viruses.

W32.Fujacks.CB is made by malware authors to deploy easily. It usually comes as an attached file to email messages pretending to be a legal program or typical file in order to confuse their victims. Once executed, W32.Fujacks.CB contacts a remote server and download another malware. Prior to these, the Trojan makes sure that it has set the compromised PC to allow the communication by bypassing Windows firewall.

Removing W32.Fujacks.CB needs to be executed at once. We outlined a removal procedure on this page to delete this virus from the infected computer. We highly advised that you run a complete scan using antivirus and anti-malware program. Download these tools from the links given below.

Procedures to Remove W32.Fujacks.CB

Removal steps on this page will help you get rid of the threat effectively using tools and virus scanners. Please make sure that you will carry out the guide in exact order.

Procedure 1: Scan Computer in Safe Mode Using Installed Anti-virus Program

1. First, we will try to remove W32.Fujacks.CB by running a virus scan under Safe Mode with Networking. To perform this task, please complete these procedures.

Start Windows 8 / Windows 10 in Safe Mode with Networking

- Close all running programs on your computer because we will need to restart Windows on this procedure.
- Press and Hold Shift key on your keyboard while clicking on Restart.
- You will then be presented with Troubleshooting Options.
- Click on Troubleshoot icon.
- Then, Click on Advanced Options icon.
- Select Startup Settings icon and then, Click on Restart button.
- When Windows restarts, it will prompt to choose number from the list of options. Press the number on your keyboard that corresponds to Safe Mode with Networking, commonly number 5.
- Once in Safe Mode, please proceed to the next step which is running a virus scan on the computer.

Start in Safe Mode with Networking (Windows XP / Vista / 7 Instruction)

- Please restart the computer and just before Windows start, press F8 on your keyboard repeatedly. You will be presented with Advanced Options Menu.
- From the selections, choose Safe Mode with Networking. Please use keyboard's arrow up/down to navigate between selections and press Enter to proceed.

win7-safemode

2. Open your installed anti-virus programs and update it to the most recent version by automatically downloading necessary updates.

3. Thoroughly scan the computer and remove all identified threats. Do not restart or turn off the computer after the scan process. You still need to run another scan. Please follow the next procedure.

Procedure 2: Scan and remove W32.Fujacks.CB files with MalwareBytes Anti-Malware

To remove W32.Fujacks.CB, download Malwarebytes Anti-Malware. This tool is effective in getting rid of Trojans, viruses and malware.

Download Removal Tool

1. After downloading, please install the program using the default settings.

2. At the end of the installation, please make sure that it will download necessary updates.

3. Once update has completed, MBAM will launch.

MBAM Scanner

4. Select SCAN from the top menu. Then, click on Threat Scan (Recommended) section.

5. Click on Start Scan to thoroughly scan the computer. Remove all threats detected by this anti-malware program after the process.

Procedure 3: Run Microsoft Safety Scanner to remove W32.Fujacks.CB components.

MS Safety Scanner is a free security tool that offers on-demand virus scanning and helps remove threats from the infected computer. It is a stand-alone program that works even with existing antivirus program.

Important: Each download of Microsoft Safety Scanner expires 10 days after the acquisition date. If this period lapses, you need to download the same program from the same location again. New download contains newer virus definition and database to detect and clean most recent viruses.

To use this tool in removing W32.Fujacks.CB, please follow this procedure.

1. Download Microsoft Safety Scanner from official web site. Click on the button below.

Download Safety Scanner

2. Save the file to a convenient location such as Desktop.

3. Once the download completes, browse the folder and double-click on the file msert.exe. Icon for this file looks like this.

MS Safety Scanner Icon

4. If Windows prompts for a security warning and ask if you want to run the file, click on Run. For Windows Vista/7 users, you may right-click on the file and select Run as administrator from the selection.

Run as administrator

5. On initial run, the tool will display End User License Agreement, please accept the terms and click Next. Continue on the process until you reach the Scan Type window.

6. Select on Full scan to entire the system and detect any presence of W32.Fujacks.CB. Then, click Next button to begin the scan process. Scanning may take a while, please be patient.

Full Scan

7. Once Microsoft Safety Scanner finished on scanning the computer, it will display the result. If it finds presence of W32.Fujacks.CB and other malware, the tool removes them automatically.

8. Click on Finish button to close the tool.

Procedure 4: Run Another Scan Using Symantec's ZeroAccess Fix Tool

This tool from Symantec can remove infections of W32.Fujacks.CB as well as other variants of the same nature.

1. Click on the button below to download ZeroAccess Fix Tool. Save the file FixZeroAccess.exe to your desktop or any convenient location.

Download FixZeroAccess

2. You need to close any running programs before running this tool.

3. Optionally, you can turn OFF System Restore if you are using Windows XP. W32.Fujacks.CB files may hide some of its components on system restore files.

4. Next, browse the folder where you saved the file FixZeroAccess.exe. Double-click on it to initiate the tool. To run the file in Windows Vista and Windows 7, right-click on it and choose 'Run as administrator' from the selection.

Icon of ZeroAccessFix

Run As Administrator

5. It will display End User License Agreement (EULA), please click on I accept to use the program.

6.Click on Proceed to begin the removal process, let the tool to run and do its course.

7. If it requires you to restart Windows, please do so. This method may remove W32.Fujacks.CB components such as files and hidden modules.

Restart Windows

8. When Windows starts, ZeroAccess Fix Tool will provide some details of the infection.

9. If it prompts for update, you need to run LiveUpdate to make sure that it contains the most recent virus definitions.

10. Wait for the tool to complete the scan process. When done, it will issue a message and specify identified threats. These threats are removed during the scan process, so, there is no need to worry about their presence.

Procedure 5: Make sure that W32.Fujacks.CB is 100% deleted with Avast aswMBR

A Trojan often drops malware using an advance technology known as rootkit. It hides the installation of W32.Fujacks.CB from your anti-virus program and injects malicious code to running Windows processes. To complete the clean-up process, you also need to scan and remove rootkit Trojan.

1. Download aswMBR from Avast server. Save it to your computer.

Download aswMBR

2. Double-click on the file aswMBR.exe to run the program.

3. If it prompts you to download the latest Avast! virus definition, please click Yes. This is necessary to identify most recent version of the Trojan as well as hidden files of W32.Fujacks.CB.

Updating aswMBR

4. Click on Scan button to start checking your computer for presence of rootkit Trojan and other viruses. It will display a message "Scan finished successfully" when done.

aswMBR Scan

5. Click Fix or FixMBR to start removing infection. If aswMBR contains the latest Avast! virus definition file, it will automatically clean infected files on your PC.

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