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Trojan:vbs/mutuodo.a. How to remove? (Uninstall guide)

removal by Jake Doevan - - | Type: Trojans

Trojan:vbs/mutuodo.a is a malicious Trojan horse related to PriceFountain adware

Trojan:vbs/mutuodo.a virus illustration

Trojan:vbs/mutuodo.a is a malicious file that is recognized as a Trojan horse[1] by most of the reputable AV-Engines. Windows Defender, Symantec, BitDefender, and other powerful security utilities name it Mutuodo Trojan or Mutuodo virus. It's a hazardous cyber infection, which is related to Win32/Prifou family of Trojans and PriceFountain adware.

Name Trojan:vbs/mutuodo.a
Malware type Trojan horse
Also known as  Mutuodo Trojan
Related files  Win32/Prifou.exe, PriceFountain.exe, wscript.exe, UpdateTask.exe
Danger level High. Can open a backdoor and download other malicious programs. Can cause a total system's crash, data corruption or leakage
Mutuodo trojan can only be removed automatically. We recommend using Reimage

Mutuodo Trojan is extremely dangerous. Cybersecurity experts from lesvirus.fr[2] initiated an in-depth analysis of its capabilities. According to them, the PriceFountain, an infamous adware program, might be infected with Mutuodo virus and once installed run Win32/Prifou.exe, wscript.exe, UpdateTask.exe, and other malicious scrips.

Upon successful infiltration, the Mutuodo Trojan virus attempts to root deeply into the operating system. It creates new registry entries and may try to modify the existent ones. These are a few Mutuodo virus related registry entries:

HKLM\Software\Microsoft\Windows\CurrentVersion\RunOnce

Additionally, it injects malicious script into System's folder %APPDATA% by running the following commands:

\wscript.exe /E:vbscript /B “%APPDATA%\PriceFountain\UpdateProc\bkup.dat”

%APPDATA%\PriceFountain\UpdateProc\UpdateTask.exe

%LOCALAPPDATA%\{GUID}\synhelper.exe ({GUID} stands for the 32-digit hexadecimal number).

All these changes are initiated to set PriceFountain value. This application is known for displaying intrusive online advertisements within web browsers, track people's web browsing activities, and initiate other intrusive activities without authorization.

Nevertheless, mutuodo trojan along with PriceFountain or any other PUP might turn out to be extremely malicious. Recently, several people reported[3] that the infiltration of this Trojan ended up with a total system's hijack since the Trojan managed to compromise Microsoft account's password. It can open a backdoor to other malicious infections, such as Spyware, Worm or even Ransomware.

To protect your PC from damage, remove Trojan:vbs/mutuodo.a virus from the system. Keep in mind that it's not enough to delete PriceFountain or other PUPs related to the Trojan. It's a must to stop all malicious processes and immunize the Trojan itself.

Although Trojans, unlike other cyber infections, do not reproduce by infecting other system's files nor do they self-replicate, they seek to open the backdoor on the targeted system and this way give the malicious user access to the system, exposing confidential or personal data to the risk of being leaked.

Thus, an immediate Mutuodo is a must. Otherwise, the Trojan can cause irreversible damage to the system and the data stored on it.

Trojan horse can enter the system in the form of a legitimate application

The name Trojan horse has been given to this infection not without reason. Relating the name with the history of Troy implies that the Trojan as a virus refers to some program or file that does not look suspicious from the initial inspection. However, once it gets into the system, it initiates malicious activities and can be extremely dangerous.

While a reputable anti-virus might help to evade Trojan infections, new Trojans may not be recognized as threats. Outdated virus database may also be the reason why a malicious program bypassed the protection.

Trojan horses are usually distributed as hidden components of mini-games or torrent files. In many cases, they spread as stand-alone installers. Hackers may try to spread them in malicious spam email attachments, fake software updates, and similar means. Thus, make sure to keep your antivirus updated and avoid interference with suspicious content online.

Remove Mutuodo Trojan easily

Mutuodo removal is a complicated process, which has to be initiated in phases. First of all, Trojan-related processes have to be disabled, and the main executable file immunized. Subsequently, the related components and corrupted Windoęws Registry entries have to be eliminated.

To remove Mutuodo Trojan from the system entirely, it's a must to use a professional anti-malware program. In fact, there's no other way to get rid of this infection except to get rid of it using Reimage, Malwarebytes MalwarebytesCombo Cleaner, Plumbytes Anti-MalwareMalwarebytes Malwarebytes or similar anti-malware tool.
Manual removal is not only impossible, but an attempt to eliminate malicious files can cause even more damage to the system.

If Mutuodo virus blocks the anti-virus and you cannot launch it or download another security tool, follow the instructions provided below to boot the system into Safe Mode with Networking:

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Alternative Software
Different security software includes different virus database. If you didn’t succeed in finding malware with Reimage, try running alternative scan with Malwarebytes.
Alternative Software
Different security software includes different virus database. If you didn’t succeed in finding malware with Reimage, try running alternative scan with Combo Cleaner.

To remove Trojan:vbs/mutuodo.a, follow these steps:

Remove Trojan:vbs/mutuodo.a using Safe Mode with Networking

If you cannot get rid of a Trojan horse because it blocks your security tool, try to launch if after booting the system into 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 Trojan:vbs/mutuodo.a

    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 Trojan:vbs/mutuodo.a removal.

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

Remove Trojan:vbs/mutuodo.a using System Restore

If the previous method did not help to get rid of Trojan:vbs/mutuodo.a virus, try these steps:

  • 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 Trojan:vbs/mutuodo.a. 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 Trojan:vbs/mutuodo.a removal is performed successfully.

Finally, you should always think about the protection of crypto-ransomwares. In order to protect your computer from Trojan:vbs/mutuodo.a and other ransomwares, use a reputable anti-spyware, such as Reimage, Malwarebytes MalwarebytesCombo Cleaner or Plumbytes Anti-MalwareMalwarebytes Malwarebytes

About the author

Jake Doevan
Jake Doevan - Computer technology expert

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References

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