Scared by Trojan horse crypt_s.BFL, right? Do you know the true colors of this virus? Where does it come from? How does it do harm to your computer? Are you racking your brain to find out a way to get rid of the disturbing virus?

Trojan Horse crypt_s.BFL – How to Remove Trojan Infection

Trojan Horse crypt_s.BFL is a latest found backdoor pest, a tricky malicious Trojan horse in its essence. How frightened it would be to be infected by a Trojan virus! However, the consequences of the infection of this abomination are even harder to imagine. The truth identity of this disturbing virus is a scam program. Both The redirections of Google, Yahoo Searches and changes of browser settings and desktop background image are the typical symptoms of its serious infection. Its vicious features and operations make it much harder to be detected by an-virus programs and raise your guard. Even if detected in the first stage, the variants of the virus might be spread and scattered in every inch in your computer. In this way, these variants will silently damage your PC’s crucial section like registry.

Generally speaking, this Trojan makes its incursions into your computer through strong offensive to compromise its privacy and security you visit unknown websites, watch online video streams, download free software, open email attachment, etc. Or there will be message telling you that you cannot delete it because of unknown reason. It attacks all versions of Windows PC and gets installed on the host computer without any permission whatsoever. Once installed, it will duplicate itself to the startup code in order to get reinstalled whenever you log in your Windows based system. It remains in the quarantine area even though you have clicked remove/delete, however, nothing happens. Besides, as with the redirect virus, this virus may change the basic settings of your Internet explorer, Google Chrome and Mozilla Firefox non-stop and make them unrecognizable. It not only leads you to another unfamiliar website but also pops up advertisements. Worse still, Trojan Horse crypt_s.BFL propagates as a harmful shortcut file that exploits the vulnerability to the release of phony Microsoft Security program. Then, it will disable your anti-virus programs and present artificial security warnings stating that your computer is under alarming level and severely infected. Once clean the threats as the virus claim, you put your computer at the edge of crash. With the redirection of frequently-used browsers, other malwares find it easy to flood into your computer posing larger menace. Worst of all, with the aim of money, the virus targets at your personal data. Considering the danger above, you may reach the conclusion that this malicious Trojan horse virus must be removed in time.

Note: Considering the fact that this Trojan virus cannot be removed successfully by antivirus, please contact YooSecurity Online PC Experts to get help on a manual removal process if you are not an expert yourself.

This Trojan virus Causes Risks In System

# This virus can disable the function of antivirus which somehow helps other viruses at the same time
# It can take up lots of CPU usage percentages causing incredible slowness on everything
# Internet runs much slower than ever and might be cut off every now and then
# Security alerts will also pop up constantly reporting different threats
# Online third parties can even gain access to the infected systems with the help of this Trojan virus
# Privacy security is threatened of being stolen and used by cyber criminals to conduct inappropriate activities

A Step-by-step Trojan Manual Removal Guide

Step 1: Open Windows Task Manager to end processed related to this virus. To do that, press Ctrl+Alt+Del keys at the same time or right click on bottom Task Bar and select Start Task Manager.
Windows Task Manager

Step 2: Open Control Panel from Start menu. Go to Folder Options and under View tab, select Show hidden files and folders and non-select Hide protected operating system files (Recommended) then click OK.
Folder Options

Step 3: Go to Registry Editor. First press Windows+R keys and then type regedit in Run box to search. Delete registry entries associated with this Trojan.Agent/Gen-MulDrop infection:
Run+Registry Editor

%AllUsersProfile%\Application Data\[tmp]
HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Policies\System “DisableRegedit”
HKCU\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\{rnd}=

Video on How to Modify or Change Windows Registry


Honestly, there is no anti-virus program which is enable to fully tackle down this Trojan virus, especially, at this time when virus is rampant and take the lead with the anti-virus programs fallen behind. It will present abundant pop ups constantly. Besides, it redirects your internet connection and slows down your system. This includes starting up, shutting down, playing games, and surfing the web. Then it will shut down your anti-virus programs and corrupt your registry, leaving your computer totally unsafe. Taking the above into consideration, you should be aware of the danger and uncertainty. If you don’t take effective measures to deal with it, its next step might be corrupt your computer and make further damage. Therefore, it is highly suggested to remove it as early as possible.

Note: Still facing constant returns of Trojan Horse crypt_s.BFL? Contact YooSecurity Online PC Experts now if you have failed to remove this persistent Trojan virus off your computer.

Published by Tony Shepherd & last updated on June 19, 2013 1:18 pm

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