Computer gets hacked by MSIL:Agent-BUN Trojan virus? Do you get antivirus warning reporting your computer is infected by this Trojan virus? Do you fail removing the virus from the computer no matter what tool you use? Are you trying to get rid of the virus? Do you worry about mistakes that might bring damages to the computer?

MSIL:Agent-BUN Trojan Virus Infection Description

MSIL:Agent-BUN is a new Trojan dropper virus that infects windows operating system severely recently. Being a member of Trojan horse infections, it is different from browser hijacker infection as it cannot be noticed until you run an antivirus security scan on the infected computer. But unfortunately, though some reputable computer security tools are able to detect the existence of the virus they are not powerful enough to get rid of it. They only keep sending you the infection alert but cannot delete the virus no matter which option you click on. The virus always slips into a computer in quite secret way. Computer users seldom find it during their regular usage of the computer. The users will not have any clues on getting infected by the Trojan virus.

There are many possible ways that can cause the infection dropping down to the vulnerable system. When we are on some web sites there exist various contents with words, pictures and videos. If we are not carefully enough and click on some ads links (including picture back links and words back links) we will be redirected to some other sites from the original one. When there is redirection between the two different pages the threats online can get chance to invade a computer. Those computers that have no any security care software will be targeted especially. The ads links are put by the site administrators. They are trying to make profits by promoting some sponsored products or cooperators. By misleading net users to visit the unsafe links or pages they can get profits from the net traffic.

Note: Manual Removal requires expertise and it is for advanced users, if you don’t have much experience in dealing with redirect virus.
Contact YooSecurity Online PC Experts for removal assistance.

Symptoms of Similar Trojan Infection :

– This virus can escape from most antivirus protection and get itself installed on computers especially with Windows operating systems.
– It can cause constant stuck or even blue screens on the infected computers.
– Computer users will experience constant security pop ups on the computers which may not truly represent the status of the PCs.
– Certain malware or spyware may be prompted by these fake security pop ups which will end up scamming money.
– Sensitive data like privacy can also be stolen and taken advantages by cyber criminals.

Manual Removal Step by Step Instructions

Up till now, there is not a perfect antivirus that can detect this pesky Trojan virus or delete it completely. MSIL:Agent-BUN has been updated by remote and backstage cyber criminals and is able to escape from the scan of any anti-virus programs thus it is hard to be removed or even found. The most effective way is to remove it manually. The following instructions need quite level of computer expertise. If you don’t know how to that correctly, please contact with YooSecurity online support now!

Step A: Check on your start menu if there are any programs that you are not familiar with. The strange ones will often related to the virus process as it can start automatically with the windows. You can press on Windows key or just click on the start menu to view it. Please notice that you need to click on All Programs to have an overall check on it.

start button
Step B: To remove the Trojan the first thing we need to do is to end its process thus we will not get the error message when we delete its files. To do that, open Windows Task Manager to end process related to this Trojan infection. You can press Ctrl+Alt+Del keys at the same time to pull up Window Task Manager; go to Processes tab on top and scroll down the list to find.

windows task manager

Step C: Always any virus files will be hidden files. So we need to show hidden files before we are going to delete them. Open Control Panel from Start menu and search for Folder Options (As an easy way you can open a folder and hold Alt key and tap on T, O key one by one and folder option window will pops up). Go to Folder Options window, under View tab, tick Show hidden files and folders and non-tick Hide protected operating system files (Recommended) and then click Apply and then hit OK.

folder options

After we can see hidden folders and files we can go to system files and delete the infected files. The path of the virus often can be found from the antivirus which detects it.

program data

Step D: After we delete the virus files from system data we get to remove the registry of the virus from registry editor to prevent it from coming back. You can get Registry Editor by pressing Windows+R keys to pull up Run box and type in regedit to open Registry Editor.

Run box

The following is how Windows Registry Editor looks like.

Registry Editor

Step E: Delete all these associated files and registry entries with this Trojan virus from Registry Editor. The registry files are listed randomly. Besides, you need to delete the infection files of the redirect virus from your system files to prevent it from coming back. Those files are named randomly also but may be different on different operating systems.

Video on How to Modify or Change Windows Registry Safely:

To Summarize Shortly:

It is never too early to beware the MSIL:Agent-BUN infection on a computer. Viruses, as we all know, are not friendly to computers. They will cause many critical problems on the infected computers without any doubts. So if you don’t get rid of it in time it will surely lead your computer to deeper infection level. Since the Trojan virus occupies great system resource there will be less left for other normal programs. As a result that software will go to error when you load them. Different error codes will occur on your computer. This virus reveals the data of computer users if it has gained the access to your remembered system files. As it is created with domain targets it will help cyber criminals collect the privacy data on the infected PC. You may receive spam mails or trash messages as a clue of reveal on your email address or phone number. What is worse, this virus can get your bank or credit card details. More and more of your privacy will be sent to its cooperators if you hesitate to get it removed.

Note: Have tried many methods but failed to get rid of this Trojan virus? If you have no clue, please contact YooSecurity Online Experts in time to save your computer.

Published by Michael Myn & last updated on May 10, 2014 5:54 am

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