Monday, June 23, 2014

Win32/BitCoinMiner.W Removal Guide

What is the effect of Win32/BitCoinMiner.W? Is it a nasty virus? I downloaded an update last night and then I got this. How to remove this virus mentioned in the beginning? I found it every time when I restart the computer, no matter I delete it or not. Is there anyway I can get rid of it completely?

Win32/BitCoinMiner.W Description :

To be classified as a nasty Trojan horse virus, Win32/BitCoinMiner.W is a notorious backdoor virus that can break through security defense and make a loophole in the target computer to bring in more viruses. Its main function is to open a back door on the target machine to allow hackers to steal personal information and sensitive data on the victim system. If it was able to open a loophole in the infected system successfully, it willconnect the infected computer to some malicious server secretly which allows unknown hack attacks and allows malware, spamware and adware installation to be done in silence. If you let this happen, it is like opening a door of your house inviting thieves getting into your house.
A person who used to have experience with a viral infection especially of which is Trojan virus infection would know more about what negative affect a Trojan virus mainly brings to the victim computer. Computer running performance is very slow. they can only remember the symptoms. Only to run a full scan, can he or she find out that Trojan virus infection in their poor machine is the one to be blame. The computer cannot avoid harm via antivirus. At present, viruses update from day to day, antivirus cannot update their data base up to the date one new virus was founded. They have to wait for a few days to response. This gives time for virus to break through safe defense on your computer. It will replace the security settings to a very low level and then it can put the other viruses into the infected system. You cannot run almost every file in the infected computer and the only way to bring it back is to remove this virus as soon as possible.
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How to Remove Win32/BitCoinMiner.W?

Method One: Remove the Trojan Manually.
Step 1: Reboot your computer in safe mode with networking.
press the Power button at the Windows login screen or in the Settings charm. Then, press and hold the ” Shift” key on your keyboard and click Restart.
win8restart
Click on Troubleshoot and choose Advanced Options. Then click on Startup Settings and select Restart. Your PC will restart and display nine startup settings. Now you can select Enable Safe Mode with Networking.
Win8startup-settings
Step 2: End the processes related to the Trojan horse in Windows Task Manager.
Right-click the taskbar and select “Task Manager”. Click “More details” button when you see the Task Manager box.
Win-8-Task-Manager
Hit “Details” tab to find out the processes of the Trojan, hit the End task button.
win8-task-manager1
Step 3: Show hidden files and folders.
Open Windows Explorer from the Start screen.
windows-explorer
Click View tab. Tick “File name extensions” and “Hidden items” options and then press OK to show all hidden items.
win8-show-hidden-file
Step 4: Find out and delete associated files of the Trojan horse listed below:
%UserProfile%\Application Data\Microsoft\[random].exe
%User Profile%\Local Settings\Temp
%Documents and Settings%\All Users\Start Menu\Programs\[Trojan horse name]
%Documents and Settings%\All Users\Application Data\[Trojan horse name]
%Program Files%\[Trojan horse name]
Step 5: Press Windows Key+R, go to run, then type “regedit” in the box to open Registry Editor, after that, find out and remove the registry entries of the Trojan horse listed below.
regedit12
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\Current Version\Uninstall\[Trojan horse name]
HKEY_LOCAL_MACHINE\SOFTWARE\[Trojan horse name]
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\Current Version\SystemRestore “DisableSR ” = ’1′
HKEY_CURRENT_USER\Software\Microsoft\Windows\Current Version\Run “xas”
HKEY_CURRENT_USER\Software\[Trojan horse name]

Several Consequences Caused By Trojan Virus:

Trojan virus allows cyber-criminals to break into the infected computer without being noticed and it could disable executable programs installed on your computer and cause system crash. Also it will change important settings on your computer to allow remote control from cyber criminals. Other than that, it will modify your registry settings and important key value to make it difficult to be removed.
In addition, please be careful when you tried to fix Win32/BitCoinMiner.W problem since this is a nasty virus that is not very easy to be removed. It is very difficult for a person who is not familiar with the virus and not well trained in IT field to remove this Trojan horse completely. The virus can change its name from time to time and change its position to avoid from antivirus detection. If you cannot find its original position, it can always recover itself and infect the victim PC again. If you do not have enough skill with operating Windows operating system, you can hardly find its position. And we don’t suggest you to use tools because the antivirus program may mistakenly delete some system files. More important is that some antivirus may be a rogue antivirus. It would better if you can find an expert to help you remove the Trojan horse completely.

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