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Fujacks. How to remove? (Uninstall guide)

removal by Jake Doevan - - | Type: Worms

Fujacks – a self replicating virus that uses weak passwords to enter machines

Fujacks worm
Fujacks is a dangerous worm which is capable of installing password-stealing malware

Fujacks is a dangerous computer worm[1] with the backdoor functionality which lets in a password-stealing malware. It enters victims' computers by exploiting weak passwords and copies itself to network shares. It can also spread via infected external devices or shared files. The malicious code infects all .exe files that are located on the computer and drops setup.exe and autorun.inf files to be able to boot with every Windows system startup. Fujacks virus also disables any security software that is installed on the machine. An interesting fact is that infected icons are changed into a panda holding three sticks.

Name Fujacks
Type Worm
Also known as Win32/Emerleox.CZ (CA)Worm.Win32.Fujack.g (Kaspersky)W32/Fujacks-AM (Sophos)Win32.HLLP.WHBoy.AD (VirusBuster)GenPack:Win32.Worm.Fujacks.R (BitDefender)Win32/Fujacks.AK (ESET)W32/Fujacks.m (McAfee):W32/Viking.FU (Panda)W32.Fujacks.E (Symantec), Win32/Looked.FU
Distribution The virus enters machines via infected external devices or shared files on the networks
Main dangers Serves as a backdoor for other malware to enter
Symptoms Barely any. The presence of certain files might indicate infection. Additionally, anti-malware software malfunctions are common
Elimination Download and install Reimage or Plumbytes Anti-MalwareNorton Internet Security

Fujacks malware is also known as Panda virus in the East, as it primarily targets Chinese users. Nevertheless, it does not mean that Fujacks cannot infect people all around the world. 

Users who have never had to deal with computer viruses are mostly at risk. Worms are especially dangerous, and Fujacks worm is also capable of stopping anti-malware tools from working. Nevertheless, it is possible to stop the the virus. Users should install Reimage or Plumbytes Anti-MalwareNorton Internet Security or other security software and remove Fujacks from their computers. To start an anti-virus program safely, victims should enter Safe Mode with Networking.

Fujacks can enter machines via infected external devices, such as DVD or the USB stick. The cyber infection copies the malicious payload into the root directory of removable drives as setup.exe and also adds autorun.inf to launch the virus automatically.

Virus:Win32/Fujacks.D also scans all the devices connected to the same network and places a copy of itself into System32\GameSetup.exe. To access shares, the worm uses a list of easily-guessable passwords, such as 111, 123abc, login, password, qwerty and similar.

The main executable spoclsv.exe is dropped into \drivers. Fujacks virus then adds the following registry[2] entry to ensure persistence:

HKCU\Software\Microsoft\Windows\CurrentVersion\Run

Additionally, the virus can delete several registry entries that are related to anti-malware software or other security measures. What is more, Fujacks removes all GHO files that are essentially backup files that can be used to restore data.

Unfortunately, there are minimal infection symptoms. Nevertheless, users can check for the following:

  • added registry value svcshare with data \drivers\spoclsv.exe
  • added file spoclsv.exe in the following location: system32\drivers

Additionally, victims may observe some problems with their security software. It may fail to start, become nonresponsive, crash, etc. Therefore, if your anti-malware applications are struggling, make sure you check for virus infection and perform full Fujacks removal in Safe Mode.

Worms can enter your machine if you are careless

Computer infections don't just enter your machine while it is not being used, as experts[3] explain. Meaning, for malware infiltration, there is always a trigger, and it is a human's interaction with the device. Therefore, make sure you stay safe online by practicing secure internet browsing and computer usage habits.

First of all, make sure you use unique and secure passwords for each of your accounts. As the worm can brute-force passwords, it is always a good idea to secure every account promptly.

Next, you should always take caution when connecting unknown external devices to your computer. Even if it comes from somebody you trust – they don't even know that their USB stick or the DVD is infected. Therefore, make sure you scan the file using security software before opening.

And finally, stay away from suspicious websites, such as porn, file-sharing, online dating and similar. These sites are prone to hacking and can contain malware inside.

Remove Fujacks virus from your machine

Because the virus affects files of security software, Fujacks removal might be a bit complicated. Nevertheless, it is possible. Users should not try to start anti-malware application in normal mode but enter Safe Mode with Networking.

If security software still does not work, victims should download and install a new version. In Safe Mode, capabilities of the virus will be disabled. As soon as the new anti-malware tool is installed, users should perform a full system scan. Using Reimage or Plumbytes Anti-MalwareNorton Internet Security, remove Fujacks virus safely.

 

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What to do if failed?
If you failed to remove infection using Reimage, submit a question to our support team and provide as much details as possible.
Reimage is recommended to uninstall Fujacks. Free scanner allows you to check whether your PC is infected or not. If you need to remove malware, you have to purchase the licensed version of Reimage malware removal tool.
More information about this program can be found in Reimage review.
Press mentions on Reimage
Alternate Software
Plumbytes Anti-Malware
We have tested Plumbytes Anti-Malware's efficiency in removing Fujacks (2018-07-24)
Malwarebytes
We have tested Malwarebytes's efficiency in removing Fujacks (2018-07-24)
Hitman Pro
We have tested Hitman Pro's efficiency in removing Fujacks (2018-07-24)
Malwarebytes
We have tested Malwarebytes's efficiency in removing Fujacks (2018-07-24)

To remove Fujacks, follow these steps:

Remove Fujacks using Safe Mode with Networking

To remove Fujacks from your PC without troubles, enter Safe Mode with Networking:

  • Step 1: Reboot your computer to Safe Mode with Networking

    Windows 7 / Vista / XP
    1. Click Start Shutdown Restart OK.
    2. When your computer becomes active, start pressing F8 multiple times until you see the Advanced Boot Options window.
    3. Select Safe Mode with Networking from the list Select 'Safe Mode with Networking'

    Windows 10 / Windows 8
    1. Press the Power button at the Windows login screen. Now press and hold Shift, which is on your keyboard, and click Restart..
    2. Now select Troubleshoot Advanced options Startup Settings and finally press Restart.
    3. Once your computer becomes active, select Enable Safe Mode with Networking in Startup Settings window. Select 'Enable Safe Mode with Networking'
  • Step 2: Remove Fujacks

    Log in to your infected account and start the browser. Download Reimage or other legitimate anti-spyware program. Update it before a full system scan and remove malicious files that belong to your ransomware and complete Fujacks removal.

If your ransomware is blocking Safe Mode with Networking, try further method.

Remove Fujacks using System Restore

You can stop the virus by using System Restore:

  • Step 1: Reboot your computer to Safe Mode with Command Prompt

    Windows 7 / Vista / XP
    1. Click Start Shutdown Restart OK.
    2. When your computer becomes active, start pressing F8 multiple times until you see the Advanced Boot Options window.
    3. Select Command Prompt from the list Select 'Safe Mode with Command Prompt'

    Windows 10 / Windows 8
    1. Press the Power button at the Windows login screen. Now press and hold Shift, which is on your keyboard, and click Restart..
    2. Now select Troubleshoot Advanced options Startup Settings and finally press Restart.
    3. Once your computer becomes active, select Enable Safe Mode with Command Prompt in Startup Settings window. Select 'Enable Safe Mode with Command Prompt'
  • Step 2: Restore your system files and settings
    1. Once the Command Prompt window shows up, enter cd restore and click Enter. Enter 'cd restore' without quotes and press 'Enter'
    2. Now type rstrui.exe and press Enter again.. Enter 'rstrui.exe' without quotes and press 'Enter'
    3. When a new window shows up, click Next and select your restore point that is prior the infiltration of Fujacks. After doing that, click Next. When 'System Restore' window shows up, select 'Next' Select your restore point and click 'Next'
    4. Now click Yes to start system restore. Click 'Yes' and start system restore
    Once you restore your system to a previous date, download and scan your computer with Reimage and make sure that Fujacks removal is performed successfully.

Finally, you should always think about the protection of crypto-ransomwares. In order to protect your computer from Fujacks and other ransomwares, use a reputable anti-spyware, such as Reimage, Malwarebytes Malwarebytes or Plumbytes Anti-MalwareNorton Internet Security

About the author

Jake Doevan
Jake Doevan - Computer technology expert

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