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Remove Kovasoh Virus Ransomware (+File Recovery)

About Kovasoh

Kovasoh is ranked by our malware research team as the DJVU ransomware genus. Another variants of this family is Cosakos, Nvetud, Mogranos, and some others. There are certain scanners that ignore it as well as therefore permitting its invasion. Actually, we have to call it that, because of the “.kovasoh” extension that it joins at the end of your data.

Let’s clarify. Kovasoh virus hits your computer through trick and skill also. After that, once embedded it practices AES or RSA encryption logics to block your files.

After that, they blackmail you for their decode. After Kovasoh evades right into your device, it places every one of your files under isolation. It joins its very own extension “.kovasoh” at the end, thus making files unavailable.

Files with “.kovasoh” extension appended by the Kovasoh virus:

.kovasoh Files
Example of .kovasoh files

It targets files, registers, images, songs, videos, all of it! Thereafter, you can’t longer open them. Shifting files or renaming it will not assist. The only means to release your files from the ransomware’s keep is deciphering. The virus expects you to disburse buyout cash if you wish to get your records back. It makes that clear (in the ransom message) it will decipher data after defrayal.

The note is usually a text file, left on your desktop. You can also reveal it in every folder that includes encrypted files. It describes your troubles and also suggests you a decision. According to Kovasoh, sole remedy to unblock your data is with a unique decryption key. And also, to obtain it you have to pay a payoff. The amount is $980, as well as it’s normally asked for in Bitcoins.

The file “_readme.txt” by the Kovasoh virus states the following info:


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:
Your personal ID:

Do NOT pay for decrypt of “kovasoh” files!

The Kovasoh virus guarantees, to send you the key after you pay. As well as, that’s it. That’s all you obtain – a promise. You have no warranties that subordination results in something appropriate. Do not bear on words of virtual crooks. That is people, that will fool you. Do NOT give them a cent. Don’t call them Do NOT comply with their needs.

Do not pay for ransomware

How did my PC got harmed by Kovasoh?

Your computers get contaminated with the Kovasoh ransomware because of your disability to be on the guard. Some people do not pay attention to significant details while browsing the Internet or installing various softwares.

The Kovasoh virus uses the proven annexationist ways to deceive you. And slips past you unobserved. That includes concealing behind defective web links, sites, and torrents. It applies freeware as a way to hide itself. And forms as a fake system or program update. Like, Adobe Flash Player or Java.

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Yet more often than not, it makesuse of spam emails. You open an email that seems to find from a well-known business. Like, Amazon or PayPal. And, the email prompts you to click a web link, or download and install an program. If you do, you end up with ransomware.

Bear in mind that these types of risks are deluding your inadvertence. They need you to rush and miss doing due diligence. That relieve their latent infiltration. They bear on you to leave your fate to chance. Do not! Do not take rashness over care. One keeps viruses out. The other welcomes them in.

Consequently, do not give them a loan. Don’t contact to the internet criminals. If you do, you’ll regret it. It’s a futile try to restore your files, as well as it will not end well for you. Below’s why.

There are a few occasions that can interpret when you see the blackmail cash message on your monitor. Claim, you resolve to comply. You contact to the extortionists, disburse their redemption currency, and wait. You wait on them to send you the deciphering trick they assured. Well, what happens if they do not?

However, you have no warranties. All, you rest on, is a pledge. Can you absolutely think words of internet criminal? The answer is ‘No.’ These are people, who will certainly let down you. Don’t send money! There’s also another alternative.

They can send you a deciphering code. However, when you attempt to open it, it fails to work.

Yes, they can send you the unfaithful code. After that, you have much less money, as well as your data continues to be blocked. Don’t disburse! And also your best-case strategy isn’t a reason for delight. What takes place after you pay the blackmail cash, obtain the appropriate trick, as well as totally free your documents? Well? Consider it. You paid ransom to eliminate a sign and symptom, yet not the infection triggering it.

So, you eliminate the encoding, yet the Kovasoh virus stays. It’s still skulking in the corners of your system, complimentary to strike once again. After that, you’re back at a new start.

Why is Kovasoh unsafe?

In addition, to encrypt a sufferer’s records, the Kovasoh infection has also started to install the Azorult Spyware on PC to steal account data, cryptocurrency wallets, desktop documents, and more.

So, your computer obtained assaulted by Kovasoh and also probably you have actually lost time trying to eliminate it manually. We are absolutely positive that the remedy below will certainly be usefull in removing Kovasoh in an automated way.

How to protect PC from Kovasoh ransomware?

However, let us initially speak about prevention of such cryptoware attacks in the future. There is something exists that you can do to avoid this kind of critical menace from entering into your computer previously?

There are a couple of things we wish to talk about here. First one is your private accountability for being incredibly thoughtful while you utilize your computer and largely while you browse the web. When examining your e-mail and see some suspect accessories consisted of, do not rush to open them.

Similarly, when you get on Facebook and social networks also someone you communicate with sends you messages containing accessories, be very attentive, especially if these are some exe-extension files.

Another thing to take into account is examining the dependability of your current anti-virus program. Regretfully, there are multiple safety and security applications today that just claim to be reliable, whereas in times of real virus intrusions they simply unable to do the task as claimed.

In case Kovasoh intruded into your PC this indicates that your current security tool did not do its promoted assignment as well as really fell short to protect your system. So obviously it is a point for you to revalue your choices and also definitely switch over to some other application that can most exactly provide the wanted level of safety.

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Not all antiviruses are good

We can extra discuss some part of users that like not to have any kind of anti-malware software program at all. Definitely, this is a big error from their side, due to the fact that presently the net has lots of internet jeopardies that may secretly intrude susceptible systems, especially those that are not tooled with some standard degree of safety.

So, having antivirus constantly working and protecting your device is a must-do point in nowadays’ virtual world.


Kovasoh removal guide

STEP 1. Recover files from Kovasoh ransomware encryption

Cyber Security specialist Michael Gillespie createed decoder for some versions and variants of this family ransomware.

But it work when the Kovasoh virus used an offline key for encryption.

You can download free decryption tool here: STOPDecrypter. This tool includes a “Brute Force” algorithm for variants which use XOR encryption, a simple symmetric cipher that is relatively easy to break.

STOPDecrypter tool for Kovasoh removal

The decrypter tool requires victims to provide an encrypted and original file pair greater than 150KB.

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:

How to Restore Files from a Backup in Windows 7/8/10

STEP 2. Removing Kovasoh 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 Kovasoh 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.

Kovasoh Virus Remover

  1. 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”.

    GridinSoft Full Scan

  2. Give Anti-Malware a little time to check your system:

    GridinSoft Anti-Malware Scanning

  3. Move to quarantine all the viruses and unwanted files, that you see in the results list:

    GridinSoft Anti-Malware Scan Result

  4. Enjoy the malware removal process:

    After Clean PC

  5. 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 Kovasoh.

    GridinSoft Protection

STEP 3. Prevent the Kovasoh 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 letters. No way! Be very careful with your downloads. Download and install applications 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 PC 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.
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