Kolz is assorted by our virus analyst team as the DJVU cryptoware family. Another variants of this family is Npph, Ogdo, Kasp, and some others. There are certain scanners that skip it as well as therefore allowing its intrusion. Actually, we have to call it that, because of the “.kolz” extension that it joins at the end of your records.
Let’s clarify. Kolz infection assaults your PC through trick and skill also. After that, once embedded it applies AES or RSA encoding methods to block your data.
Then, they bleed you for their unblocke. After Kolz gets round right into your computer, it places every one of your documents under locking. It adds its very specific extension “.kolz” at the end, thus making records isolated.
Files with “.kolz” extension appended by the Kolz virus:
It hits documents, folders, photos, songs, movies, all of it! Thereafter, you can’t longer open them. Shifting documents or retitling it will not help. The only means to unblocke your documents from the ransomware’s keep is decryption. The malware is aimed you to disburse redemption funds if you wish to get your data back. It makes that clear (in the ransom note) it will decode records after payment.
The note is ordinarily a text file, left on your desktop. You can also locate it in each folder that has encrypted files. It describes your troubles and also proposes you a decision. According to Kolz, sole remedy to decode your data is with out-and-outer decoding code. And also, to obtain it you have to disburse a ransom. The amount is $980, as well as it’s usually asked for in cryptocurrency.
The note by the Kolz 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: firstname.lastname@example.org Reserve e-mail address to contact us: email@example.com Our Telegram account: @datarestore Your personal ID: XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX
Do NOT send money for decrypt of “kolz” files!
The Kolz infection guarantees, to send you the key after you disburse. As well as, that’s it. That’s all you obtain – a promise. You have no assurances that conformity ends in something appropriate. Do not bear on words of virtual crooks. That is people, that will fool you. Do NOT pay them a cent. Don’t call them Do NOT comply with their needs.
How did my PC got harmed by Kolz?
Your PCs get infected with the Kolz malware because of your disability to be watchful. Some people do not pay attention to significant details while using the Internet or installing various applications.
The Kolz infection uses the old yet gold annexationist techniques to deceive you. And slips past you unobserved. That includes disguising behind defective web links, sites, and torrents. It practices free tools as a way to hide itself. And poses as a phony system or application update. Like, Adobe Flash Player or Java.
Yet more often than not, it makesuse of spam emails. You receive an email that seems to find from a well-known company. Like, Amazon or PayPal. And, the email prompts you to follow a web link, or download and install an accessory. If you do, you end up with virus.
Remember that these types of risks are deluding your oscitancy. They need you to rush and miss doing due diligence. That eases their latent pervasion. 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.
Therefore, do not disburse them a fee. Don’t connect to the virtual criminals. If you do, you’ll regret it. It’s a futile attempt to restore your information, as well as it will not end well for you. Below’s why.
There are a few circumstances that can unravel when you see the redemption cash message on your monitor. Claim, you make a decision to concede. You connect to the racketeers, give their blackmail funds, 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 promise. Can you absolutely think words of cyber criminal? The answer is ‘No.’ These are individuals, who will naturally let down you. Don’t pay cash! There’s also another choice.
They can send you a deciphering key. However, when you attempt to apply it, it fails to work.
Yes, they can send you the incorrect code. After that, you have much less funds, as well as your information continues to be encrypted. Don’t disburse! And also your best-case case isn’t a reason for enthusiasm. What takes place after you disburse the blackmail currency, obtain the appropriate trick, as well as totally free your files? Well? Consider it. You paid cash to eliminate a sign and symptom, yet not the infection triggering it.
So, you remove the enciphering, yet the Kolz cryptoware 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 Kolz unsafe?
In addition, to encipher a injured’s data, the Kolz virus has also started to install the Azorult Spyware on PC to steal account passwords, cyber money wallets, desktop records, and more.
So, your PC obtained assaulted by Kolz and also probably you have actually lost time trying to delete it manually. We are absolutely positive that the remedy below will certainly be effective in removing Kolz in an automated method.
How to protect PC from Kolz ransomware?
However, let us initially speak about prevention of such ransomware assaults in the future. There is something exists that you can do to avoid this kind of critical hazard from entering into your device in advance?
There are a couple of things we wish to talk about here. First one is your personal liability for being incredibly thoughtful while you utilize your device and largely while you browse the web. When exploring your e-mail and see some suspect accessories consisted of, do not hurry to open them.
In a like manner, when you get on Facebook and social networks also someone you are in touch with sends you messages including accessories, be very attentive, especially if these are some exe-extension files.
Another thing to take into account is researching the reliability of your current anti-virus program. Unfortunately, there are multiple safety and security applications today that just announce to be dependable, whereas in times of real malware intrusions they simply unable to do the task as claimed.
In case Kolz intruded into your laptop 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 overestimate your choices and also definitely change over to some other software that can most exactly grant the wanted level of safety.
Not all antiviruses are good
We can additionally discuss some part of users that like not to have any kind of security software program at all. Definitely, this is a huge error from their side, due to the fact that presently the web has plenty of internet dangers that may stealthily invade accessible systems, particularly those that are not appointed with some standard grade of safety.
So, having protection tool incessantly operating and securing your PC is a necessary point in today’s internet world.
Kolz is getting on the nerves of many users, 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 Kolz in the right way.
Click to Download GridinSoft Anti-Malware.
Kolz removal guide
STEP 1. Recover files from Kolz ransomware encryption
You can download free decryption tool here: Decryptor for STOP Djvu. But it work when the Kolz 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 Kolz 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 Kolz 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 Kolz.
STEP 3. Prevent the Kolz 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 trusted 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.