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JS:Decode-BTB [Trj] Removal, How to Uninstall Trojan Virus Step by Step

What is JS:Decode-BTB [Trj]

JS:Decode-BTB [Trj] is a destructive security infection that is programmed with advanced hack techniques to invade user’s computer without awareness. It is produced by malware distributors to carry out a variety of damaging activities on the computer that it infects. JS:Decode-BTB [Trj], in computing is not a self-replicating type of malware program which contains malevolent codes, capable of making chaos in kernel system. It is being found that JS:Decode-BTB [Trj] threat can always make modification in default system configuration determined by the nature of Trojan, so that to be loaded up voluntarily on every Windows boot and effectively evade detection and auto removal by standard anti-malware applications. In reality, JS:Decode-BTB [Trj] can be subdivided as a type of Data Sending Trojan, as it has the capability to collect user’s personal information and remotely send it to third parties using found system vulnerabilities.

PC users who are suffering from JS:Decode-BTB [Trj] may also notice the sluggish PC’s speed. This may be embodied on Starting up/Shutting down, Online game’s running speed, Opening a program, etc. The original reason is that JS:Decode-BTB [Trj], similar as Win64:Bot-A infection, can regularly occupy large amounts of computing resources for the sake of decreasing the performance of affected system. Furthermore, this type of Trojan infection may be bundled with numerous additional PC threats such as Trojan, worm, keyloggers so that to make worse results on targeted computer. In addition, other complication related to JS:Decode-BTB [Trj] should be a backdoor opened by the virus. To be specific, JS:Decode-BTB [Trj] often makes use of security loopholes to create a backdoor, which can be used by attackers to obtain unauthorized access to the compromised machine. In other words, not only PC but also user’s sensitive data will be at high risk as cyber criminals could do whatever they want on affected PC freely. Thus, it is requisite to terminate JS:Decode-BTB [Trj] from computer timely to end up its harmful symptoms.

Note: You can adopt the following manual removal to get rid of JS:Decode-BTB [Trj] infection completely. If you have no experience on it, you may start a live chat with VilmaTech 24/7 Online Experts to help you remove the virus manually.

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Possible Way to Get Infected with JS:Decode-BTB [Trj]

As the recent security research shows, JS:Decode-BTB [Trj] threat can often sneak into a victim’s computer by technically using system exploit kit such as BlackHole, which has the capability to take advantage of found security vulnerabilities to drop and install the virus secretly on PC. Except that, malware distributors also figure out other possible way to spread JS:Decode-BTB [Trj] as much as they can. Specifically, JS:Decode-BTB [Trj] can be distributed through several means with the aid of advanced social engineering tactics:

  • JS:Decode-BTB [Trj] may be delivered by malicious websites or other compromised web pages such as some P2P (peer-to-peer) file sharing websites.
  • JS:Decode-BTB [Trj] may be propagated by some freeware/shareware downloads from unreliable Internet resources, including certain pirated or illegally acquired software.
  • JS:Decode-BTB [Trj may be spread using a SPAM email which contain sponsor links or other attachments such as Zip-archived extension.

It is certain that PC users should keep cautious while using any distrusted online resources to avoid JS:Decode-BTB [Trj] infection or other potential threats.

Item Needing Attention Before Remove JS:Decode-BTB [Trj]

Manual removal is well known as the most effective way to eradicate JS:Decode-BTB [Trj from computer. However, it is a complex and risky task, as it is related to key parts of system. Any mistake may lead to data loss or even computer crash. If you are not familiar with the operation, you’d better back up Windows registry by any possibility of incautious mistake, or you may live chat with VilmaTech 24/7 Online Experts for real-time support. If you are using Windows 8, you can follow the vide guide below to back up Windows registry easily.

Manually Remove JS:Decode-BTB [Trj] Step by Step

1. Kill the process of JS:Decode-BTB [Trj] in Windows Task Manager.


2. Show hidden files of JS:Decode-BTB [Trj].

For Windows XP, 7 and Vista:

  • Click Start button> Control Panel> Appearance and Personalization.


  • Choose Folder Options option, and click the View tab in it.
  • Click Show hidden files and folders, uncheck Hide protected operating system files (Recommended) under Advanced settings.


  • Apply OK.

For Windows 8:

  • Start up infected PC, and go to desktop.
  • On the lower left corner of the Windows 8 desktop, right click on the mini start menu.

win8_hidden files1

  • Click on Control Panel option.
  • In Control Panel window, click on the Folder Options option.

win8_hidden files2

  • Click View tab.

win8_hidden files3

  • Click on the Hidden files and folders icon and then click the Show hidden files, folders, and drives option selector.

win8_hidden files4

  • Apply OK.

3. Remove the files of JS:Decode-BTB [Trj].

%AllUsersProfile%\Application Data\.dll HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Random “.exe”

4. Remove the registry entrities of JS:Decode-BTB [Trj] in Registry Editor. (Open the registry editor by pressing (win key+R) and typing in “regedit” without the quotes.)


HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run ‘Random’
HKEY_LOCAL_MACHINE\Software\Microsoft\Windows NT\CurrentVersion\Random
HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings “CertificateRevocation” =Random

Why Do I Fail to Remove JS:Decode-BTB [Trj] With Antivirus

To clean up JS:Decode-BTB [Trj] infection from computer, major PC users prefer to have a full scan with their installed antivirus applications. Without any doubts, a standard antivirus program is endowed with certified techniques to deal with various PC threats. However, no matter which antivirus you are using, it may fail to completely erase JS:Decode-BTB [Trj] from computer. Though the infection may be removed at once, it may be come back over and over again after PC reboot. Well, JS:Decode-BTB [Trj] is a new type of malware infection which has sophisticated experience on dealing with the detection and auto removal from antivirus with the aid of advanced hiding techniques. Once being installed, it will immediately spread its codes and files in system and change the names of its files all the time. As a result, auto removal may be difficult to deal with JS:Decode-BTB [Trj] easily. And you can adopt the almighty manual removal to clean up all its components from PC effectively.

Summary of JS:Decode-BTB [Trj]

JS:Decode-BTB [Trj] is an invasive Trojan infection that can be often lurked into a targeted machine without any permission or knowledge. It may be distributed by malicious websites/legitimate websites that have been assaulted, SPAM email containing links or attachments, or some “free” applications’ downloads from unreliable online resources. When executed, JS:Decode-BTB [Trj] infection may slow down the performance of PC by taking up high computing resources. Moreover, JS:Decode-BTB [Trj] is often bundled with additional threats which has the capability to make worse damage on affected PC. These may include related Trojan, worm, keylogger or other potential malware. The worse thing is, JS:Decode-BTB [Trj] virus may even open a backdoor for remote hackers, allowing them to access compromised machine freely. This will directly lead to worse results on system as well as user’s privacy. In this case, it is urgent to clean up JS:Decode-BTB [Trj] from computer once being informed of its existence. However, JS:Decode-BTB [Trj] may easily bypass the detection and auto removal from antivirus software easily using advanced hiding skills. Thereupon, you can attempt to remove with the recommended manual removal to erase all its components for good.

Anyhow, manual removal is only suggested for advanced users, as it is related to Windows registry. If you cannot deal with the operation alone, you may ask help from VilmaTech 24/7 Online Experts to resolve your problem promptly and safely.

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