VirTool:MSIL/Obfuscator.BI

Do you know how nasty the VirTool:MSIL/Obfuscator.BI virus is? Based on our team’s researches, VirTool:MSIL/Obfuscator.BI can be deemed as “Severe” Trojan horse which can ruin the infected computer. It is created to help cyber criminals hack Windows machines and steal users’ personal files and sensitive information. The ways it uses to sneak in your system include spam email attachments, free download software or media files, and links on porn websites. After your computer gets attacked by VirTool:MSIL/Obfuscator.BI, you will notice lots of system malfunctions and problems. The most obvious symptom is the sluggish speed of system running, when you launch or shut down system, when you run a program, when you open a file, when you surf the Internet, you will find that everything have become slowly. In fact, the poor system speed is due to high usage of CPU caused by VirTool:MSIL/Obfuscator.BI, which execute malicious processes silently on your system. If you want your computer to run smoothly again, you need to remove the trojan completely and clean up all the junks it creates. Besides, the slow system operation, VirTool:MSIL/Obfuscator.BI causes some else severe troubles to you if it stays on your system. It has been found that this trojan can corrupt registry to trigger bugs and hacker can use these bugs to hack your system. In case they make it, everything will be in a mess. First, more infections will be downloaded to harm your system. And the hackers can track your operations to steal your personal information. More severely, ransomware may be activated to encrypt your files and then you will be forces to pay lots of ransom fees to restore them. To avoid these troubles, it’s strongly suggested to get rid of VirTool:MSIL/Obfuscator.BI immediately. Execute the removal steps below to cure your PC now:

Steps for Removing VirTool:MSIL/Obfuscator.BI Virus

VirTool:MSIL/Obfuscator.BI Manual Steps (Experienced and skilled computer users can use this advanced Manual Removal method )

Step One. End malicious process related with VirTool:MSIL/Obfuscator.BI

Step Two. Remove unwanted plug-in related with VirTool:MSIL/Obfuscator.BI from Chrome, Firefox, IE and Microsoft Edge browser.

Step Three. Uninstall all Potentially Unwanted Programs related with VirTool:MSIL/Obfuscator.BI

Step Four. Find and delete all harmful registry files generated by VirTool:MSIL/Obfuscator.BI

VirTool:MSIL/Obfuscator.BI Automatic Steps (Good and easy for most of PC users to delete VirTool:MSIL/Obfuscator.BI )

Step One. Install SpyHunter to remove VirTool:MSIL/Obfuscator.BI virus and other hidden threats.

Step Two. Install RegHunter to fix all damaged registry files and make up the security exploits.

Step Three. Download and install Avast Internet Security 2015 to re-scan threats and protect your PC For Free

(Optional Step). Clean up all malicious codes and cookies of VirTool:MSIL/Obfuscator.BI from Chrome, Firefox, IE and Microsoft Edge.

Manual Steps (Experienced and skilled computer users can use this advanced Manual Removal method )

Step One. End malicious process related with VirTool:MSIL/Obfuscator.BI.

1. Open Windows Task Manager by pressing Ctrl + Shift + Esc keys together:

2. Find out the process related with VirTool:MSIL/Obfuscator.BI and click End Process:

Step Two. Remove unwanted plug-in related with VirTool:MSIL/Obfuscator.BI from Chrome, Firefox, IE and Microsoft Edge browser.

On Chrome

1. Click the Chrome menu on the browser toolbar.
2. Click Tools.
3. Select Extensions.
4. Click the trash can icon to delete VirTool:MSIL/Obfuscator.BI extension.
5. Make sure to remove all extensions you do not know or need.
6. A confirmation dialog appears, click Remove.

On Firefox

1. Click the menu button and choose Add-ons. The Add-ons Manager tab will open.
2. In the Add-ons Manager tab, select the Extensions panel.
3. Make sure to remove all extensions you do not know or need.
4. Click Disable or Remove button of VirTool:MSIL/Obfuscator.BI.
5. Click Restart now if it pops up.

On Internet Explorer

1. Open the IE, click the Tools button , and then click Manage add-ons.
2. Click Toolbars and Extensions on left side of the window., and then select VirTool:MSIL/Obfuscator.BI
3. Make sure to remove all BHO’s you do not know or need.
4. If the add-on can be deleted, you’ll see the Remove option. Click Remove and then click Close. Otherwise click Disable button.

On Microsoft Edge
(Microsoft Edge browser still does not have extensions settings. Now we only need to reset search engine and homepage to keep web browser hijacker away from the browser)

1. Reset your default search engine to remove search engine hijacker virus.

• Select More (…) on the address bar, then Settings
• Click View advanced settings
• Click <Add new> under “Search in the address bar with”, then input the search engine you like
• Now select the search engine you like and click Add as default

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2. Reset your homepage page on Microsoft Edge to remove homepage redirect virus.

• Select More (…) on the address bar, then Settings
• Under Open with, select A specific page or pages
• select Custom to enter the URL of page you want to set as homepage

Step Three. Uninstall all Potentially Unwanted Programs related with VirTool:MSIL/Obfuscator.BI

1. Open Control Panel window.

Win 10 user – Right-click on the Windows Start button and choose “Control Panel” from the pop-up menu.

Win 8 user – Open the Settings Charm Bar by pressing Windows key + I key on your keyboard at the same time, then click on the Control Panel option

Win 7 / Vista / XP user – Click on the Start button to open your Start Menu, then Click Control Panel

2. In Control Panel, click on Uninstall a program under the Programs category

3. In the Programs and Features window, click Installed On to display the latest programs, scroll through the list to seek and uninstall VirTool:MSIL/Obfuscator.BI and other unwanted and unfamiliar programs that look suspicious.

Step Four. Find and delete all harmful registry files generated by VirTool:MSIL/Obfuscator.BI

1. Call out the Run window by pressing Windows + R keys together, and then type regedit and hit Enter key :

2. Find out and remove all harmful registry files related with VirTool:MSIL/Obfuscator.BI virus listed below:

(You may not be able to find out all files listed below as the virus keeps changing its files with name and path.)

HKCU\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\DisallowRun

HKEY_LOCAL_MACHINE\SOFTWARE\Wow6432Node\Microsoft\Tracing\Muvic_RASAPI32

HKEY_LOCAL_MACHINE\SOFTWARE\Wow6432Node\Microsoft\Tracing\Muvic_RASMANCS

HKEY_CURRENT_USERSoftwareMicrosoftInternet ExplorerMain “Default_Page_URL”

HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Uninstall\[adware name]

Automatic Steps (Good and easy for most of PC users to delete VirTool:MSIL/Obfuscator.BI )

Step One. Install SpyHunter to remove VirTool:MSIL/Obfuscator.BI virus and other hidden threats.

1. Click this link: “Download SpyHunter” or the blue button below to download SpyHunter safely:

Tips: After SpyHunter is downloaded, your Chrome /Firefox /IE may display such fake security warning ” This type of file can harm your computer. Do you want to keep Download_Spyhunter-Installer.exe anyway?”, which is generated by virus to cheat you, please just ignore the fake warning and click “Keep” button.

(Notes – If you do not need it any more, please follow instructions on SpyHunter uninstall. SpyHunter`s free version provides unlimited free scans and detection. After it detects malicious files, processes and registry entries, you can follow the scan results to manually locate and remove them on your own; or to purchase its full version to automatically remove the virus with ease. Meanwhile, the full version of SpyHunter will offers you unlimited one-on-one professional help for any malware related issue by its official PC expert.)

2. Once downloaded, please double-click SpyHunter-Installer.exe to start the installation of SpyHunter.

3. When SpyHunter is installed, it will be run automatically, then click Scan Computer Now to detect VirTool:MSIL/Obfuscator.BI related threats:

4. Once SpyHunter completes the scan, please click Fix Threats to get rid of VirTool:MSIL/Obfuscator.BI.

Step Two. Install RegHunter to fix all damaged registry files and make up the security exploits.

1. Click this link: “Download RegHunter” or the blue button below to download RegHunter safely:

Tips: After RegHunter is downloaded, your Chrome /Firefox /IE may display such fake security warning “This type of file can harm your computer. Do you want to keep Download_Reghunter-Installer.exe anyway?“, which is generated by virus to cheat you, please just ignore the fake warning and click “Keep” button.

Notes – If you do not need it any more, please follow instructions on RegHunter uninstall. RegHunter`s free version provides unlimited free scans and detection. After it detects corrupted registry files and system errors files, you can follow the scan results to manually replace them with healthy files copied from healthy PC on your own; or to purchase its full version to automatically fix the Registry and errors with ease. Meanwhile, the full version of RegHunter will offers you great features to optimize your system performance.)

2. Once downloaded, then double-click RegHunter-Installer.exe to start the installation of RegHunter.

3. When RegHunter is installed, it will be run automatically, then click Scan for Registry Errors Now! to detect files corrupted by VirTool:MSIL/Obfuscator.BI:

4. Once RegHunter completes the scan, please click Repair All Errors to solve security bugs related with VirTool:MSIL/Obfuscator.BI.

Step 3. Download and install Avast Internet Security 2015 to re-scan threats and protect your PC For Free

Avast Internet Security 2015 provides 60 Days free trail for you, it’s highly recommended to download and install it to re-scan your system and secure everything in your machine. You can uninstall it when you do not need it any more, it is 100% free. Click the button below to Download Free Avast Internet Security 2015 and enjoy 60 days of premium protection for free.

(Optional Step). Clean up all malicious codes and cookies of VirTool:MSIL/Obfuscator.BI from Chrome, Firefox, IE and Microsoft Edge.

– Clean up cache and cookies by resetting Chrome

1. Open Chrome, then click “Customize and control Google Chrome” button, and then click on Settings

2. Under the Chrome Settings page, scroll down to the bottom, then click on Show advanced settings button

3. After clicking on Show advanced settings button, scroll down to the bottom and click on Reset browser settings button

4. A message box will pop up to inform that your browser settings will be restored to their original defaults, click Reset button when it appears:

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– – Clean up cache and cookies by resetting Firefox

1. Open Firefox, then click on Firefox button, then Click on Help button, then Click on Troubleshooting Information

2. At the Troubleshooting Information page, click on Reset Firefox

3. A message box will pop up to let you confirm that you want to reset Firefox to its initial state, click Reset Firefox button when it appears:

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– – Clean up cache and cookies by resetting IE

1. Open Internet Explorer, then click on Tools, then click on Internet Options

2. On the Internet Options window: click on Advanced tab, then click Reset button

3. A message box will pop up to let you confirm that you want to reset all Internet Explorer Settings, click Reset button when it appears:

4. When the resetting process is done, you’ll see this message box, click Close

5. You’ll need to restart your Internet Explorer to complete the resetting process.

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– Clean up cache and cookies on Microsoft Edge
1. Select More (…) on the address bar, then Settings:

2. click “Choose what to clear”:

3. Check the first three options and then click Clear:

If you have done each step above accurately, you can get rid of VirTool:MSIL/Obfuscator.BI virus completely. Hope you can solve the issue and get your healthy computer back. Good luck 🙂

Tips

VirTool:MSIL/Obfuscator.BI virus is mainly spread online through resources such as Free Software, Spam Email and Porn Websites. To avoid virus and malware like VirTool:MSIL/Obfuscator.BI infect your computer again, you should keep these tips in your mind:

1. Always select Advance or Custom Install if you want to install any free software;

2. Scan all attached files of emails you receive, even the emails sent from Contacts;

3. It’s best not to visit porn websites, which are often hosted by cyber criminal and they may harm your system severely.

DISCLAIMER:

This article should NOT be mistaken for being associated in any way with the promotion or endorsement of malware. The purpose of this article is to inform readers on the detection and removal of malware and should not be taken out of context for purposes of associating this website with malware, All information provided on this article is “as is” for educational purpose only.