Remove Brocoiner (Virus Removal Guide) - 2021 update

Brocoiner Removal Guide

What is Brocoiner?

Brocoiner – a Trojan horse which mines cryptocurrency by using the computer's resources

Brocoiner Trojan horseBrocoiner is a trojan infection which secretly mines cryptocurrency on the infected computer system.

Brocoiner is a trojan infection which secretly uses the PC's resources to mine cryptocurrencies such as Bitcoin, Monero, Ethereum or DarkCoin. All this activity is done without asking for permission and the user usually does not even notice it. Brocoiner virus, also known as Trojan:HTML/Brocoiner, overuses the CPU's and GPU's power which can shorten their “lifetime”. Trojans are very notorious computer viruses which are often affecting numerous victims. Once you detect a Trojan horse[1] on your computer system, make sure you get rid of it as soon as possible. These cyber threats are created to gain income only for themselves and can cause a lot of damage to the computer system which we are going to discuss through out this article.

Name Brocoiner
Also known as Trojan:HTML/Brocoiner
Type Trojan horse
Sub-type Malware
Purpose To mine cryptocurrency on the infected computer system
Symptoms High CPU and GPU usage, slowly running software, computer sluggishness
Possible dangers Might open paths for other malware, can misuse personal information
Removal process Install ReimageIntego to detect the damage

According to cybersecurity experts form Semvirus.pt[2], if your computer system is infected with a virus such as Brocoiner trojan, you might experience these symptoms:

  • CPU and GPU power has been overused recently;
  • Software is launching and running slower than before;
  • Windows struggle when minimizing/maximizing them;
  • You cannot perform computing work normally anymore.

Even though trojans often do not show any signs, they still can be recognized if you are an accurate person. Spotting the signals we have mentioned before, lets us speculate that the PC is infected with a Trojan horse. To figure that out, you can install a reputable anti-malware tool and scan the entire system to detect the virus. If the program finds that the symptoms were not false, remove Brocoiner virus ASAP.

You should carry out the Brocoiner removal as it performs illegal activity. The dangerous cyber threat mines cryptocurrencies without the user's notice to gain benefit for the cybercriminals who hide under this virus. We suggest using only reputable programs to complete the deletion process. Moreover, you can try ReimageIntego which will help you detect all objects that might have been touched by the trojan.

Nevertheless, Trojan:HTML/Brocoiner might include other damaging features such as injecting other malware (e.g. ransomware) or even gathering personal details. If this virus exposes information which is related to your bank account, ID, etc., the data can be misused for illegitimate reasons (e.g. for taking a credit by your name). As you can see, it is very important to avoid Trojan horses and keep your computer safe from possible damage.

Brocoiner virusBrocoiner - a trojan which can cause high CPU usage, software slowdowns, and crash downs.

Trojan avoiding guide

There are some ways to prevent Trojan horses from entering your computer system. However, first you have to gain knowledge in trojan distribution techniques which are:

  • Spam messages[3] and their attachments. A trojan infection can be hidden in an attached file which you have received from a rogue sender;
  • Malicious websites. Virus-related content might be hidden in hyperlinks which once clicked launch the trojan and it gets secretly installed on the computer.

You can avoid trojans and similar virus by paying more attention to you received emails. If you have got a dubious-looking one which comes from a strange sender or contains lots of grammar mistakes, you should strongly consider eliminating the message permanently. Talking about websites, you should be careful while browsing the web and try not to stay long on pages which look odd to you. If you think you have entered a malicious one – eliminate it the same minute and never return. Additionally, scan your PC with antivirus software in case any hazardous components have slipped through.

Get rid of Brocoiner trojan

Keeping trojans in your system means high CPU[4] usage and crashing programs. To avoid this you should permanently remove Brocoiner virus from your computer system. We recommend using tools such as ReimageIntego, SpyHunter 5Combo Cleaner, Malwarebytes as they will detect all damaged objects that were touched by the virus. Note that the elimination might take a while, so please be patient.

After you perform the Brocoiner removal, make sure you refresh the entire computer system. Keep in mind all the precautionary measures that you have read about avoiding Trojan horses. According to cybersecurity experts from LesVirus.fr, if you know how to stay safe online and always pay attention to your computing work, you will increase your computer's safety level instantly.

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What to do if failed?
If you failed to remove virus damage using Reimage Intego, submit a question to our support team and provide as much details as possible.
Reimage Intego has a free limited scanner. Reimage Intego offers more through scan when you purchase its full version. When free scanner detects issues, you can fix them using free manual repairs or you can decide to purchase the full version in order to fix them automatically.
Alternative Software
Different software has a different purpose. If you didn’t succeed in fixing corrupted files with Reimage, try running SpyHunter 5.
Alternative Software
Different software has a different purpose. If you didn’t succeed in fixing corrupted files with Intego, try running Combo Cleaner.

Getting rid of Brocoiner. Follow these steps

Manual removal using Safe Mode

Activate the Safe Mode with Networking function to disable the Trojan's activity on your computer. Use these instructions if help is needed:

Important! →
Manual removal guide might be too complicated for regular computer users. It requires advanced IT knowledge to be performed correctly (if vital system files are removed or damaged, it might result in full Windows compromise), and it also might take hours to complete. Therefore, we highly advise using the automatic method provided above instead.

Step 1. Access Safe Mode with Networking

Manual malware removal should be best performed in the Safe Mode environment. 

Windows 7 / Vista / XP
  1. Click Start > Shutdown > Restart > OK.
  2. When your computer becomes active, start pressing F8 button (if that does not work, try F2, F12, Del, etc. – it all depends on your motherboard model) multiple times until you see the Advanced Boot Options window.
  3. Select Safe Mode with Networking from the list. Windows 7/XP
Windows 10 / Windows 8
  1. Right-click on Start button and select Settings.
    Settings
  2. Scroll down to pick Update & Security.
    Update and security
  3. On the left side of the window, pick Recovery.
  4. Now scroll down to find Advanced Startup section.
  5. Click Restart now.
    Reboot
  6. Select Troubleshoot. Choose an option
  7. Go to Advanced options. Advanced options
  8. Select Startup Settings. Startup settings
  9. Press Restart.
  10. Now press 5 or click 5) Enable Safe Mode with Networking. Enable safe mode

Step 2. Shut down suspicious processes

Windows Task Manager is a useful tool that shows all the processes running in the background. If malware is running a process, you need to shut it down:

  1. Press Ctrl + Shift + Esc on your keyboard to open Windows Task Manager.
  2. Click on More details.
    Open task manager
  3. Scroll down to Background processes section, and look for anything suspicious.
  4. Right-click and select Open file location.
    Open file location
  5. Go back to the process, right-click and pick End Task.
    End task
  6. Delete the contents of the malicious folder.

Step 3. Check program Startup

  1. Press Ctrl + Shift + Esc on your keyboard to open Windows Task Manager.
  2. Go to Startup tab.
  3. Right-click on the suspicious program and pick Disable.
    Startup

Step 4. Delete virus files

Malware-related files can be found in various places within your computer. Here are instructions that could help you find them:

  1. Type in Disk Cleanup in Windows search and press Enter.
    Disk cleanup
  2. Select the drive you want to clean (C: is your main drive by default and is likely to be the one that has malicious files in).
  3. Scroll through the Files to delete list and select the following:

    Temporary Internet Files
    Downloads
    Recycle Bin
    Temporary files

  4. Pick Clean up system files.
    Delete temp files
  5. You can also look for other malicious files hidden in the following folders (type these entries in Windows Search and press Enter):

    %AppData%
    %LocalAppData%
    %ProgramData%
    %WinDir%

After you are finished, reboot the PC in normal mode.

Remove Brocoiner using System Restore

Turn on the System Restore feature and neutralize the dangerous computer virus. Follow these instructions and complete each step as required:

  • 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 Brocoiner. 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 ReimageIntego and make sure that Brocoiner removal is performed successfully.

Finally, you should always think about the protection of crypto-ransomwares. In order to protect your computer from Brocoiner and other ransomwares, use a reputable anti-spyware, such as ReimageIntego, SpyHunter 5Combo Cleaner or Malwarebytes

How to prevent from getting trojans

Stream videos without limitations, no matter where you are

There are multiple parties that could find out almost anything about you by checking your online activity. While this is highly unlikely, advertisers and tech companies are constantly tracking you online. The first step to privacy should be a secure browser that focuses on tracker reduction to a minimum.

Even if you employ a secure browser, you will not be able to access websites that are restricted due to local government laws or other reasons. In other words, you may not be able to stream Disney+ or US-based Netflix in some countries. To bypass these restrictions, you can employ a powerful Private Internet Access VPN, which provides dedicated servers for torrenting and streaming, not slowing you down in the process.

Data backups are important – recover your lost files

Ransomware is one of the biggest threats to personal data. Once it is executed on a machine, it launches a sophisticated encryption algorithm that locks all your files, although it does not destroy them. The most common misconception is that anti-malware software can return files to their previous states. This is not true, however, and data remains locked after the malicious payload is deleted.

While regular data backups are the only secure method to recover your files after a ransomware attack, tools such as Data Recovery Pro can also be effective and restore at least some of your lost data.

About the author
Lucia Danes
Lucia Danes - Virus researcher

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References
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