Koom Virus File – Remove & Restore .koom Files

Written by Valdis Koks
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.koom modified your important files, yet that might not be the only injury done to you. The virus might still be hiding on your computer. To find out whether this is really true, we recommend scanning with LOARIS TROJAN REMOVER.

This article intends to help you delete Koom Ransomware for free. Our manual also explain how any .koom files can be restored.

Koom Virus

The Koom Ransomware represents a COMPUTER danger made use of to blackmail its targets. Koom Virus might not indicate any apparent signs and symptoms, yet its visibility is just uncovered as quickly as its job is performed.

Koom Virus - crypted .koom files

The absence of signs is one of the main problems with this sort of COMPUTER infections. They can pass through into the attacked system unnoticed, as well as implement their job without showing their activity in the workstation. This is why most consumers are unable to do anything to end the virus prior to it has actually completed its mission, as well as the goal of this one, in particular, is to make its sufferers' files pointless through data ciphering and then indicating a ransom demand.

The individual is reported via a message that this infection puts on their screen that their only option of bringing their information back is via the payment of a specific quantity of funds. This blackmailing element of this fraud is popular among the scams, and there's an entire team of PC malware that's used in this manner. This malware classification is called Ransomware, as well as the malware we are currently focusing on most definitely falls under it.

The Koom malware is only disclosed once it has completed encrypting the documents. The .koom Ransomware will certainly then express its needs through an daunting pop-up alert.

It is through this alert that the customers find out exactly how they are anticipated to move their funds to the cyber frauds responsible for the Ransomware virus. In the majority of instances, the ransom money would be asked in a cryptocurrency - BitCoin. These cryptocurrencies are really tough to trace, as well as a common user would certainly have no chance of understanding who they are really transferring their funds to. This, actually, makes it actually not likely that the cyberpunk's real identification would ever before get divulged. It is rather unusual for a Ransomware cyberpunk to stand before the court, and also the application of cryptocurrency as the recommended settlement service is the primary factor for that.

Listed below you can locate the quotation from the Koom text file:
 Don't worry, you can return all your files!
 All your files like photos, databases, documents and other important are encrypted with strongest encryption and unique key.
 The only method of recovering files is to purchase decrypt tool and unique key for you.
 This software will decrypt all your encrypted files.
 What guarantees you have?
 You can send one of your encrypted file from your PC and we decrypt it for free.
 But we can decrypt only 1 file for free. File must not contain valuable information.
 You can get and look video overview decrypt tool:
 Price of private key and decrypt software is $980.
 Discount 50% available if you contact us first 72 hours, that's price for you is $490.
 Please note that you'll never restore your data without payment.
 Check your e-mail "Spam" or "Junk" folder if you don't get answer more than 6 hours.
 To get this software you need write on our e-mail:
 Reserve e-mail address to contact us:

 Our Telegram account:

How to Koom virus encrypt your files?

The .koom Virus file encryption is not mosting likely to be eliminated after the ransomware is deleted. The .koom Virus document encryption access key is promised to be given to you when you pay the ransom amount.

Nonetheless, it is not unusual for the criminals that guarantee such threats to promise their sufferers a decryption trick for their encrypted records just to refuse to supply that essential as soon as the repayment gets refined. Unnecessary to point out, if you wind up in a problem such as this, you would not be capable of doing anything about it-- your funds would certainly be gone, and your data would certainly still be inaccessible. This is why it isn't truly sensible thought to transfer the payment, furthermore, if you haven't selected any type of alternate choices that may be effective.

Even though we stated that the encryption would certainly remain on your records also after the Ransomware is no longer in the system, deleting the virus is still very crucial. After you eliminate the Ransomware, you might additionally attempt the different file recovery options we have actually developed for you, as well as also your new documents won't go to risk of being secured. To remove this cryptoviral risk, you are advised to finish the steps you will certainly encounter listed below.


Name .koom Virus
Type Ransomware
Threat Level High (Ransomware is so far the worst malware you can experience)
Symptoms A Ransomware threat similar to this one would usually not reveal its visibility till the documents get secured
Promotion Channel Channels like spam e-mail promotion, and malvertising are normally the ones used to spread Ransomware.
Data Recovery Solution Emsisoft Decrypter
Detection Utility
.koom may recover itself plenty of times if you don't get rid of its core files. We suggest downloading LOARIS TROJAN REMOVER to scan for malicious utilities. This may save you a lot of time and efforts to effectively get rid of all possible malware within your device.
Read more about Loaris Trojan Remover (License Agreement, Privacy Policy ).
If Loaris identifies a threat, you will need to buy a license to get rid of it.

Delete Koom Virus Ransomware

Step 1:

Some of the steps will likely demand you to exit the page. Bookmark it to easily get back to it later.

Reboot in Safe Mode (use this tutorial if you don’t know how to do it).

Step 2:
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We get asked this often, so we are clearly mentioning it here: Deleting .koom manually may take hours and hurt your system in the process. We suggest downloading LOARIS TROJAN REMOVER to check if it can identify Koom's documents for you. 

Click CTRL + SHIFT + ESC simultaneously and go to the Processes Tab. Try to identify which processes are malicious.

Task manager - Koom Open File Location

Right click on each of them and choose Open File Location. Then inspect the documents with online file checker:

Once you open their folder, end the processes that are contaminated, then get rid of their folders. 

Note:If you are specific something is part of the danger - remove it, even if the scanner doesn't note it. No anti-virus application can determine all infections.

Step 3:

Keep holding the Win + R. And then copy & paste the following:

  • notepad %windir%/system32/Drivers/etc/hosts

A new file will open. In case you are hacked, there will be a load of various other IPs connected to your device at the bottom. Inspect the picture below:

notepad - suspicious IPs Koom

In case there are suspicious IPs below “localhost” – get in touch with us in the comments.

Use CTRL + SHIFT + ESC simultaneously and access the Startup Tab:

Task manager - Startup Tab Program Disable

Proceed to Program Name and select “Disable”.

Keep in mind that ransomware may even include a fake developer name to its process. You must check out every process and be persuaded that it is legitimate.

Step 4:
To get rid of Koom Virus, you may have to deal with system files and registries. Making a mistake and getting rid of the wrong thing may hurt your device.


You can prevent the system damage by selecting LOARIS TROJAN REMOVER - a high-quality Koom removal software.

Read review about LOARIS TROJAN REMOVER (License Agreement, Privacy Policy ).

Look for the ransomware  in your registries and get rid of the entries. Be very careful –  you can destroy your system if you remove entries not associated with the ransomware.

Type each of the following in the Windows Search Field:

  • %AppData%
  • %LocalAppData%
  • %ProgramData%
  • %WinDir%
  • %Temp%

Get rid of everything in Temp. Finally, simply check out for anything lately added. Don't forget to drop us a comment if you run into any issue!

How to Decrypt .koom files?

Djvu Ransomware essentially has two versions.

  1. Old Version: Most older extensions (from “.djvu” up to “.carote”) decryption for most of these versions was previously supported by STOPDecrypter tool in case if infected files with an offline key. That same support has been incorporated into the new Emsisoft Decryptor for these old Djvu variants. The decrypter will only decode your files without submitting file pairs if you have an OFFLINE KEY.
  2. New Version: The newest extensions released around the end of August 2019 after the ransomware was changed. This includes .coharos, .shariz, .gero, .hese, .xoza, .seto, peta, .moka, .meds, .kvag, .domm, .karl, .nesa, .boot and etc….These new versions were supported only with Emsisoft Decryptor.

"The decrypter can't decrypt my files?"

In most cases this means you have an online ID. It might additionally mean your data were secured by a more recent variation of STOP/Djvu.

  • Offline ID. When the ransomware can not connect to its command and also control servers while securing your documents, it makes use of an integrated security key and also a built-in ID. Offline ID's typically end in t1 and are generally simple to identify. Because the offline key and ID only transform with each variant/extension, every person that has had their files encrypted by the exact same variant will have the exact same ID and the data will certainly be decryptable by the very same key (or "private key in the case of RSA security).
  • Online ID. Most of the times the ransomware has the ability to attach to its command and also control web servers when it secures files, and when this happens the servers react by producing arbitrary keys for every infected computer. Because each computer system has its own key, you can't make use of a key from another computer system to decrypt your files. The decrypter is capable of functioning around this with older variations as long as it has some aid, nevertheless for more recent variants there is nothing that can be done to recuperate data.

In case when the tutorial doesn’t help, download the anti-malware tool we suggest or try free online virus checker. Furthermore, you may always ask us in the comments for assistance!

About the author

Valdis Koks

Security engineer, reverse engineering and memory forensics

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