Remove .Besub File Virus Ransomware (+File Recovery)

How to remove .Besub Virus

.Besub File Virus Details

How to remove .Besub Virus
.Besub virus is another strain from the Stop/Djvu Ransomware family. It will modify the extension of your files to .Besub

When the encryptng is finished .Besub Ransomware will leave a _readme.txt file which will hold instructions for you to follow


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A very stealthy and harmful type of malware that prevents the users from accessing their personal files has recently been reported to our “How to remove” team. The infection goes under the name of .Besub and secretly encrypts the files, stored on the infected computer, and renders them inaccessible unless a special decryption key is applied to open them. In order to receive that key, which can reverse the encryption, .Besub asks the victims to pay a certain amount of money (usually requested in Bitcoins) as a ransom. The blackmailing scheme applied by the infection is typical for a specific malware category known as Ransomware cryptoviruses, and if your files have become a target of it, you definitely may be interested in finding a way to remove the malware and restora your files. That’s why, in the next lines, you will find some important information about the nature of the Ransomware cryptoviruses, and about .Besub in particular, as well as a special removal guide with instructions and suggestions on how to avoid the ransom payment.

How can you get infected with .Besub File?

A Ransomwares such as .Besub, .Litar, .Nusar can infect your computer in several ways. One of the most common methods currently is through malicious emails or spam messages that are used to distribute the harmful payload. In most of the cases, the malicious email message may include some harmful attachments, such as PDF or Word documents, or links to malicious websites, which appear to be legitimate or intriguing and prompt you to click on them or download something.

Another common method of infection is through malicious advertising. Malicious advertising is the use of online advertisements to distribute malware with little or no user interaction. While surfing the web, even on legitimate sites, users may be taken to criminal servers when they simply click on an ad. These servers may be filled with all kinds of threats and you can easily get some nasty Ransomware if you accidentally click on the wrong link or clickbait prompt.

Sometimes, the hackers who create such threats may use an infected image, or a video or an audio, or an invisible element inside webpage to do the job. The infected element redirects to a landing page of an exploit kit and the malicious code attacks the system from it. All this happens without the knowledge of the user, which is why it is often referred to as a drive-by-download attack (by hidden download).

How to deal with .Besub File Virus?

The file-encrypting Ransomware can be very challenging to deal with. This is the one that “kidnaps” the files of the users and demands a payment to decrypt them and return them to the victims. The reason why this type of Ransomware is so dangerous is because once the infection blocks the access to the files, there may be no security software or system restoration capable of returning them completely. Therefore, many users agree to pay the ransom with the hope that they will restore them. However, even if you pay, there is no guarantee that the cybercriminals will send you the decryption key, let alone that it will work and will be able to successfully return the files to their previous state. Therefore, before you risk your money, we suggest you give a try to some alternative methods that may help you remove .Besub and save some of your files without paying a ransom.


Name .Besub
Type Ransomware
Danger Level  High (.Besub Ransomware encrypts all types of files)
Symptoms .Besub Ransomware is hard to detect and aside from increased use of RAM and CPU, there would barely be any other visible red flags.
Distribution Method  Most of the time, Trojans get distributed through spam e-mails and social network messages, malicious ads, shady and pirated downloads, questionable torrents and other similar methods.


Remove .Besub File Virus Ransomware 

1: Preparations

Note: Before you go any further, we advise you to bookmark this page or have it open on a separate device such as your smartphone or another PC. Some of the steps might require you to exit your browser on this PC.

2: Task Manager

Press Ctrl + Shift + Esc to enter the Task Manager. Go to the Tab labeled Processes (Details for Win 8/10). Carefully look through the list of processes that are currently active on you PC.

If any of them seems shady, consumes too much RAM/CPU or has some strange description or no description at all, right-click on it, select Open File Location and delete everything there.

Also, even if you do not delete the files, be sure to stop the process by right-clicking on it and selecting End Process.

3: IP related to .Besub

Go to c:\windows\system32\drivers\etc\hosts. Open the hosts file with notepad.

Find where it says Localhost and take a look below that. 

hosts_opt (1)

If you see any IP addresses there (below Localhost) send them to us here, in the comments since they might be coming from the .Besub.


4: Disable Startup programs

Re-open the Start Menu and type msconfig.

Click on the first search result. In the next window, go to the Startup tab. If you are on Win 10,  it will send you to the Startup part of the task manager instead, as in the picture:

If you see any sketchy/shady looking entries in the list with an unknown manufacturer or a manufacturer name that looks suspicious as there could be a link between them and .Besub , disable those programs and select OK.

5: Registry Editor

Press Windows key + R and in the resulting window type regedit.

Now, press Ctrl + F and type the name of the virus.

Delete everything that gets found. If you are not sure about whether to delete something, do not hesitate to ask us in the comments. Keep in mind that if you delete the wrong thing, you might cause all sorts of issues to your PC.

6: Deleting potentially malicious data – .Besub

Type each of the following locations in the Windows search box and hit enter to open the locations:






Delete everything you see in Temp linked to .Besub RansomwareAbout the other folders, sort their contents by date and delete only the most recent entries. As always, if you are not sure about something, write to us in the comment section.

7: .Besub Decryption

The previous steps were all aimed at removing the .Besub Ransomware from your PC. However, in order to regain access to your files, you will also need to decrypt them or restore them. For that, we have a separate article with detailed instructions on what you have to do in order to unlock your data. Here is a link to that guide.

Daniel Sadakov has a degree in Information Technology and specializes in web and mobile cyber security. He harbors a strong detestation for anything and everything malicious and has committed his resources and time to battling all manners of web and mobile threats. He has founded, a website dedicated to covering the top tech stories and providing useful tips for the everyday user, in an effort to reach and help more people.

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