Important for Kolz Virus victims!
Files, encrypted by Kolz Virus could not be the only harm done to your computer. Kolz Virus may still be active on your machine and may spread to other computers on your network. To detect if you are still at risk and eliminate the threat, we recommend downloading SpyHunter.
This article has been created with the main goal to get users to learn more about the recently detected Kolz Virus file ransomware virus and learn how to remove it and how you can try and restore files.
The Kolz Virus are files, encrypted by a variant of a very dangerous ransomware strain, whose main goal is to render data on the computers it infects useless. The ransomware virus’s main goal is to get the owner of the infected computer to pay a hefty ransom fee in order to retrieve his or her encrypted files. This ransom fee is usually in BitCoin, but it may be in the form of other cryptocurrencies as well. If your computer has been infected by the Kolz Virus, we recommend that you read this article thoroughly.
Infects your computer after which encrypts important documents and holds them hostage until a ransom is paid.
Signs of Presence
Files are encrypted with a custom file extension and users are extorted to pay ransom to get the data to work again..
Via malicious e-mail spam and set of infection tools.
Being a variant of a well-known ransomware family, which exists in relation to a lot of viruses, the Kolz Virus ransomware has been reported to drop one or more executable files in the %AppData% Windows directory.
After doing so, the Kolz Virus may modify the Windows registry entries, more specifically the Shell sub-key with the following location:
This may result in the virus file starting automatically when you start Windows.
Which Files May Get Affected by Kolz Virus Ransomware?
Kolz Virus Ransomware serves as a typical file-encoding Trojan. As soon as it gets access to your machine, this cryptomalware will perform a quick scan to find the paths to all of your personal files. The targeted data includes all MS Office documents, your precious photos and videos, your databases, the program files, etc. Only a few files such as the ones related to the core Windows processes may be spared. Once the operation ends, you will notice a threatening lockdown message on your desktop. The cyber criminals give the victims only several days to pay the ransom of Bitcoins, or else they threaten to delete the decryption key. The purpose of this frightening message is to shock the person and make him act irrationally. The victims often feel as the only solution to the issue is to pay the money. In reality, all specialists unanimously recommend not to follow the instructions of the hackers for several different reasons.
Kolz Virus usually drops a ransom note file with a ransom message and places it somewhere easy to locate. It aims to ask you to pay BitCoin or other crypto so that your files can work once more. Then, the Kolz Virus virus may attack files with the following file types to encrypt them:
After Kolz Virus encrypts the files, the virus leaves the files no longer able to be opened and likely appends its own file extenson to them.
Kolz Virus Ransomware – How Did I Get Infected
The infection process of Kolz Virus is conducted primarily via spammed e-mails that have deceptive messages embedded within them. Such messages may pretend to be sent from services such as PayPal, UPS, FedEx and others. They may contain attachments that pretend to be invoices and other fake type of files. Other social engineering techniques include:
Fake buttons and pictures as if the e-mails are sent from a social media site, like LinkedIn.
Fraudulent PayPal links.
Links to GoogleDrive and fake e-mails that look the same as if they are sent from Google.
Other infection tools may also include the usage of torrent websites and other third-party sites to upload fake updates, fake installers as well as other fraudulent executables. These executables often pretend to be:
Removal Instructions for Kolz Virus
If you want to remove Kolz Virus, we strongly recommend that you first backup your data, just in case something goes wrong. Then, you can follow the manual or automatic removal instructions below, depending on which type of steps suits you more. If you lack the experience and the confidence that you will remove Kolz Virus manually, then you should do what most experts would and save yourself some time by downloading and running a scan with an advanced anti-malware software. Such programs are created to quickly identify and remove threats and programs with intrusive behaviour, like Kolz Virus, plus they also aim to ensure that your system is protected against future intrusions as well.
The main reasons not to pay the ransom are two. First, you may not receive the promised unlocking key even after doing exactly as the hackers demand. They often scam the victims because the Bitcoin platform doesn’t allow refunds and the people have no way to get their money back. The second reason not to finance cyber criminals is that your money will only motivate them to create more aggressive ransomware like Kolz Virus. On the other hand, if their attacks are in vain, they may stop spamming the web with such malicious Trojans. These parasites require quite some efforts to be created professionally and spread efficiently.
Once you decide not to pay the ransom, there are several other ways that may help you decrypt your personal files. You should begin the attempts by removing all traces of the malware. If you fail to delete Kolz Virus Ransomware properly, it may decrypt your files once again in the future or spread to other connected devices. The manual removal is not the recommended solution since it requires expert-level knowledge in computers. The most reliable tactic is to use dedicated security software that has added FKolz Virus Ransomware to its database. Once the scan finishes, you should try some of the programs for restoration of files or the integrated System Restore feature. If you are lucky enough to have a spare copy of your files on some external device, you can import them back to your computer safely.
Preparation before removal of Kolz Virus:
1.Make sure to backup your files. 2.Make sure to have this instructions page always open so that you can follow the steps. 3.Be patient as the removal may take some time.
Step 1: Reboot your computer in Safe Mode:
1) Hold Windows Key and R
2) A run Window will appear, in it type “msconfig” and hit Enter
3) After the Window appears go to the Boot tab and select Safe Boot
Step 2: Cut out Kolz Virus in Task Manager
1) Press CTRL+ESC+SHIFT at the same time.
2)Locate the “Details” tab and find malicious process of Kolz Virus. Right-click on it and click on “End Process”.
1) Hold Windows Button and R. In the “Run” box type “regedit” and hit “Enter”.
2) Hold CTRL+F keys and type Kolz Virus or the file name of the malicious executable of the virus which is usually located in %AppData%, %Temp%, %Local%, %Roaming% or %SystemDrive%. Usually, most viruses tend to set entries with random names in the “Run” and “RunOnce” sub-keys.
3) You can also find the virus’s malicious files by right-clicking on the value and seeing it’s data. After having located malicious registry objects, some of which are usually in the Run and RunOnce subkeys delete them permanently and restart your computer. Here is how to find and delete keys for different versions.
Step 4: Scan for and remove all virus files, related to Kolz Virus and secure your system.
If you are in Safe Mode, boot back into normal mode and follow the steps below
2) Guide yourself by the download instructions provided for each browser.
3) After you have installed SpyHunter, wait for the program to update.
4) If the program does not start to scan automatically, click on the “Start Scan” button.
5) After SpyHunter has completed with your system`s scan, click on the “Next” button to clear it.
6) Once your computer is clean, it is advisable to restart it.
Step 5:Recover files encrypted by the Kolz Virus Ransomware.
Method 1:Using Shadow Explorer. In case you have enabled File history on your Windows Machine one thing you can do is to use Shadow Explorer to get your files back. Unfortunately some ransomware viruses may delete those shadow volume copies with an administrative command to prevent you from doing just that.
Method 2: If you try to decrypt your files using third-party decryption tools. There are many antivirus providers who have decrypted multiple ransomware viruses the last couple of years and posted decryptors for them. Chances are if your ransomware virus uses the same encryption code used by a decryptable virus, you may get the files back. However, this is also not a guarantee, so you might want to try this method with copies of the original encrypted files, because if a third-party program tampers with their encrypted structure, they may be damaged permanently. Most of the currently available decryptors for ransomware viruses can be seen if you visit the NoMoreRansom project – a project that is the result of combined efforts of researchers worldwide to create decryption software for all ransomware viruses. Simply go there by clicking on the following LINK and find your ransomware version decrypter and try it, but always remember to do a BACKUP first.
Method 3: Using Data Recovery tools. This method is suggested by multiple experts in the field. It can be used to scan your hard drive’s sectors and hence scramble the encrypted files anew as if they were deleted. Most ransomware viruses usually delete a file and create an encrypted copy to prevent such programs for restoring the files, but not all are this sophisticated. So you may have a chance of restoring some of your files with this method. Here are several data recovery programs which you can try and restore at least some of your files: