Koom is classified by our malware research team as the DJVU ransomware family. Another variants of this family is Wiot, Wiot, Efdc, and some others. There are certain antiviruses that skip it as well as therefore permitting its intrusion. Actually, we have to term it that way, because of the “.koom” extension that it adds at the end of your files.
Let’s clarify. Koom ransomware hits your system through stealth and knack also. After that, once entered it applies AES or RSA encryption methods to hold your documents.
After that, they extort you for their unblocke. After Koom evades right into your device, it places every one of your documents under closure. It attaches its very specific extension “.koom” at the end, thus making data unavailable.
Files with “.koom” extension appended by the Koom virus:
It attacks files, registers, pictures, songs, movies, all of it! Thereafter, you can’t longer open them. Relocating records or renaming it will not help. Sole remedy to unblocke your files from the cryptoware’s keep is decoding. The ransomware intended you to give ransom currency if you wish to get your data back. It makes that clear (in the blackmail text) it will decode data after payoff.
The message is usually a text file, left on your desktop. You can also reveal it in any directory that includes enciphered documents. It describes your concerns and also offers you a solution. According to Koom, the only means to release your documents is with an only deciphering code. And also, to obtain it you have to send a payoff. The sum is $980, as well as it’s normally asked for in cryptocurrency.
The note by the Koom ransomware states the following information:
ATTENTION! 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: https://we.tl/t-WbgTMF1Jmw 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: email@example.com Reserve e-mail address to contact us: firstname.lastname@example.org Our Telegram account: @datarestore Your personal ID: XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX
Do NOT send money for decrypt of “koom” files!
The Koom malware guarantees, to send you the code after you pay. As well as, that’s it. That’s all you obtain – a promise. You have no assurances that obedience ends in something favorable. Do not rely on words of virtual crooks. That is people, that will scam you. Do NOT disburse them a cent. Don’t call them Do NOT comply with their needs.
How did my PC got harmed by Koom?
Your computers get corrupted with the Koom virus because of your incapacity to be on alert. Some people do not notice significant details while browsing the web or installing different programs.
The Koom ransomware uses the proven annexationist techniques to deceive you. And creeps in unnoticed. That involves concealing behind broken web links, sites, and torrents. It practices free tools as a way to hide itself. And poses as a false system or software update. Like, Adobe Flash Player or Java.
Yet more often yes than not, it uses junk emails. You receive an email that seems to find from a well-known brand. Like, Amazon or PayPal. And, the email prompts you to visit a web link, or download and install an accessory. If you do, you end up with ransomware.
Bear in mind that these types of risks are fooling your oscitancy. They need you to rush and miss doing due diligence. That enable their hidden penetration. They rest on you to leave your fate to chance. Do not! Don’t pick recklessness over care. One keeps viruses out. The other welcomes them in.
Consequently, do not give them a fee. Don’t connect to the virtual frauds. If you do, you’ll regret it. It’s a vain attempt to return your data, as well as it will not finish well for you. Below’s why.
There are a few occasions that can explain when you see the ransom money message on your desctop. Claim, you decide to conform. You connect to the bleeders, give their ransom money, and wait. You wait on them to send you the decoding trick they promised. Well, what happens if they do not?
Nevertheless, you have no warranties. All, you rest on, is a pledge. Can you absolutely think pledges of internet criminal? The answer is ‘No.’ These are individuals, who will naturally disenchant you. Don’t give a cent! There’s also another way.
They can send you a decryption code. However, when you try to apply it, it fails to work.
Yes, they can send you the incorrect code. After that, you have much less money, as well as your files continues to be blocked. Don’t pay! And also your top scenario isn’t a reason for enthusiasm. What takes place after you pay the buyout money, obtain the appropriate trick, as well as totally free your files? Well? Consider it. You paid fee to eliminate a sign and symptom, yet not the infection triggering it.
So, you remove the enciphering, yet the Koom virus stays. It’s still prowling in the hooks of your system, complimentary to attack once again. After that, you’re back at a new start.
Why is Koom unsafe?
In addition, to encipher a sufferer’s files, the Koom ransomware has also started to install the Azorult Spyware on PC to steal account passwords, cryptocurrency wallets, desktop records, and more.
So, your device got attacked by Koom and also probably you have actually lost time trying to fix it manually. We are absolutely positive that the remedy below will certainly be usefull in removing Koom in an automated manner.
How to protect PC from Koom ransomware?
However, let us initially speak about obviation of such malware invasions in the future. There is something exists that you can do to avoid this kind of menacing menace from entering into your PC in good time?
There are a couple of things we wish to talk about here. First one is your private responsibility for being incredibly thoughtful while you utilize your device and largely while you browse the web. When exploring your e-mail and see some fishy accessories consisted of, do not rush to view them.
In a like manner, when you get on Facebook and social networks also someone you know sends you messages attaching accessories, be very thoughtful, especially if these are some executable files.
The second thing to take into account is examining the reliability of your current anti-malware program. Regretfully, there are multiple safety and security programs today that just announce to be trustworthy, whereas in times of real infection intrusions they simply stop working to do the task as stated.
In case Koom penetrated into your device this specifies that your current security tool did not do its advertised purpose as well as really fell short to secure your system. So obviously it is a point for you to overrate your choices and also definitely change over to some other application that can most definitely assure the wanted degree of protection.
Not all antiviruses are good
We can additionally discuss some part of users that like not to have any kind of anti-virus software program at all. Definitely, this is a major error on their component, due to the fact that presently the net has plenty of cyber dangers that may covertly penetrate susceptible systems, especially those that are not equipped with some standard grade of security.
So, having protection tool incessantly working and guiding your device is a must-do point in nowadays’ virtual world.
Koom is getting on the nerves of many people, so you’re not its only victim.
People ask how to repair the problem effectively. Getting rid of the infection manually may be a long-lasting undertaking and can damage other important system files. Scan your PC with GridinSoft Anti-Malware to detect and delete Koom in the right way.
Click to Download GridinSoft Anti-Malware.
Koom removal guide
STEP 1. Recover files from Koom ransomware encryption
You can download free decryption tool here: Decryptor for STOP Djvu. But it work when the Koom virus used an offline key for encryption.
If key does not found, we advice to restore your PC
There are a lot of different ransomware viruses on the internet. Some of them are more dangerous than the others because they not only leaving malicious processes to protect themselves, but also removing backups of your system to make the recovery process impossible.
Please Note: Not all ransomware infections are able to remove backups of your system, so it is always worth to try a windows recovery.
We recommend use Safe Mode with command prompt to safely perform a recovery of your files. You will have to reboot your computer, so you better save this instruction:
STEP 2. Removing Koom ransomware malicious files
Once the recovery process is complete, you should consider scanning your computer with a GridinSoft Anti-Malware in order to find any traces of Koom infection. Though some ransomware viruses are removing themselves right after the encryption of your files, some may leave malicious processes on your computer for special purposes of cyber criminals.
Run GridinSoft Anti-Malware and choose the scan type, which is suitable for your needs. Of course, for the accuratest scan results we recommend you to choose the “Full Scan”.
Give Anti-Malware a little time to check your system:
Move to quarantine all the viruses and unwanted files, that you see in the results list:
Enjoy the malware removal process:
Use of On-run protection may additionaly prevent different types of cyber attacks, our protect may flag the downloader of the ransomware as a malicious application preventing the download of Koom.
STEP 3. Prevent the Koom virus infection
Besides the protection tool, you should read and learn few simple rules. Follow them every time you work on your computer and your will decrease chances of your infection to a minimum:
- Don’t open suspicious spam letters. No way! Be very careful with your downloads. Download and install software preferably from its official website.
- Do backups of your important files regularly. Storing your really important files in few different places is a good decision.
- Keep your computer free from adware, hijackers and PUPs The infected computer will be more likely compromised with other malicious software, and ransomware is not an exception in this case.
- Don’t panic and be reasonable. Don’t pay the ransom fee right after you got infected, it is always best to search on the internet for some answers. It is possible that someone have developed a decryption tool that might help you.