What is the Kvag virus ransomware? How does Kvag virus work? How to remove Kvag virus and try to restore encrypted files?
Update October 2019. The Kvag virus is a ransomware infection, meaning that it encrypts the files on your computer and holds them corrupted until you pay a hefty ransom so that you can get the files to work again. The malware aims to slither various different types of files and objects silently on your computer and then uses administrator rights to apply encryption to your documents, images, videos and other file types. Read this article to understand how to remove Kvag Virus and try to restore data.
Threat Summary
Name | Kvag vrius |
Type | Ransomware, Cryptovirus |
Short Description | A ransom virus which is a variant of the STOP/DJVU cryptovirus family. Aims to encipher your files and ask you to pay ransom if you want to access them again. |
Symptoms | The Kvag vrius extension is added and the _readme.txt ransom note is also dropped. |
Distribution Method | Spam Emails, Email Attachments, Executable files |
Detection Tool |
See If Your System Has Been Affected by malware
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Malware Removal Tool
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User Experience | Join Our Forum to Discuss Kvag vrius. |
Data Recovery Tool | Windows Data Recovery by Stellar Phoenix Notice! This product scans your drive sectors to recover lost files and it may not recover 100% of the encrypted files, but only few of them, depending on the situation and whether or not you have reformatted your drive. |
Kvag Virus – How Did I Get It and What Does It Do?
The Kvag file format is associated with ransomware infection called STOP. So when all valuable files of yours appear with the extension .kvag appended to their names it means that your PC is infected with data ransomware. Such kind of malware infection aims to disrupt system security so it can reach personal files that are likely to store important information and encrypt them with sophisticated cipher algorithm. The main goal of the so-called Kvag virus is to extort a ransom fee for the decryption of corrupted files.
The primary method via which your computer may have become infected with the Kvag Virus is likely by downloading and opening the infection file of the virus. Usually, such infection files are obfuscated and they are not easy to detect. Most users tend to mistake them as important documents sent to them via e-mail or as a file they are looking to download, like a media player or some type of program they use often.
Either way, once your PC is infected with the Kvag Virus, the encryption of the following files will on the background of all other running processes:
→ “PNG .PSD .PSPIMAGE .TGA .THM .TIF .TIFF .YUV .AI .EPS .PS .SVG .INDD .PCT .PDF .XLR .XLS .XLSX .ACCDB .DB .DBF .MDB .PDB .SQL .APK .APP .BAT .CGI .COM .EXE .GADGET .JAR .PIF .WSF .DEM .GAM .NES .ROM .SAV CAD Files .DWG .DXF GIS Files .GPX .KML .KMZ .ASP .ASPX .CER .CFM .CSR .CSS .HTM .HTML .JS .JSP .PHP .RSS .XHTML. DOC .DOCX .LOG .MSG .ODT .PAGES .RTF .TEX .TXT .WPD .WPS .CSV .DAT .GED .KEY .KEYCHAIN .PPS .PPT .PPTX ..INI .PRF Encoded Files .HQX .MIM .UUE .7Z .CBR .DEB .GZ .PKG .RAR .RPM .SITX .TAR.GZ .ZIP .ZIPX .BIN .CUE .DMG .ISO .MDF .TOAST .VCD SDF .TAR .TAX2014 .TAX2015 .VCF .XML Audio Files .AIF .IFF .M3U .M4A .MID .MP3 .MPA .WAV .WMA Video Files .3G2 .3GP .ASF .AVI .FLV .M4V .MOV .MP4 .MPG .RM .SRT .SWF .VOB .WMV 3D .3DM .3DS .MAX .OBJ R.BMP .DDS .GIF .JPG ..CRX .PLUGIN .FNT .FON .OTF .TTF .CAB .CPL .CUR .DESKTHEMEPACK .DLL .DMP .DRV .ICNS .ICO .LNK .SYS .CFG”
Once the files are encrypted, they quickly assume the .kvag extension.
At the end of the attack, the virus also shows its ransom note, called _readme.txt. It has the following contents:
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-514KtsAKtH
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:
gorentos@bitmessage.chReserve e-mail address to contact us:
gorentos2@firemail.cc
Our Telegram account:
@datarestoreYour personal ID:
It is strongly recommended that you not pay the ransom asked by the creators of this nasty virus, since it is not a good idea and may not get your files back.
How to Remove Kvag Virus and Try Restoring Files
If you want to remove Kvag virus from your computer, we strongly recommend that you follow the removal instructions underneath this article. They have been created with the primary idea to help you delete the Kvag Virus either step by step or automatically. If you have some hesitations about doing the removal by yourself, we strongly recommend that you focus on using a Kvag ransomware removal tool as shown in Step 4 from the guide below. This program has been created with the main idea to detect and delete all related files and objects to Kvag Virus.
How to Recover .kvag Files
There are several alternative methods that may be efficient for the recovery of .kvag files. You could find them listed under Step 5 from the ransomware removal guide that follows. Beware that you should make copies of all encrypted files and save them on a flash drive for example. This additional step will prevent the permanent loss of encrypted .kvag files.
Remove Kvag Ransomware – Video Instructions
Full Ransomware Removal Instructions
Attention! SensorsTechForum strongly recommends that all malware victims should look for assistance only by reputable sources. Many guides out there claim to offer free recovery and decryption for files encrypted by ransomware viruses. Be advised that some of them may only be after your money.
As a site that has been dedicated to providing free removal instructions for ransomware and malware since 2014, SensorsTechForum’s recommendation is to only pay attention to trustworthy sources.
How to recognize trustworthy sources:
- Always check "About Us" web page.
- Profile of the content creator.
- Make sure that real people are behind the site and not fake names and profiles.
- Verify Facebook, LinkedIn and Twitter personal profiles.
How to Remove Kvag vrius from Windows.
Step 1: Boot Your PC In Safe Mode to isolate and remove Kvag vrius





Step 2: Uninstall Kvag vrius and related software from Windows
Here is a method in few easy steps that should be able to uninstall most programs. No matter if you are using Windows 10, 8, 7, Vista or XP, those steps will get the job done. Dragging the program or its folder to the recycle bin can be a very bad decision. If you do that, bits and pieces of the program are left behind, and that can lead to unstable work of your PC, errors with the file type associations and other unpleasant activities. The proper way to get a program off your computer is to Uninstall it. To do that:



Step 3: Clean any registries, created by Kvag vrius on your computer.
The usually targeted registries of Windows machines are the following:
- HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\Run
- HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run
- HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\RunOnce
- HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\RunOnce
You can access them by opening the Windows registry editor and deleting any values, created by Kvag vrius there. This can happen by following the steps underneath:



Before starting "Step 4", please boot back into Normal mode, in case you are currently in Safe Mode.
This will enable you to install and use SpyHunter 5 successfully.
Step 4: Scan for Kvag vrius with SpyHunter Anti-Malware Tool
Step 5 (Optional): Try to Restore Files Encrypted by Kvag vrius.
Ransomware infections and Kvag vrius aim to encrypt your files using an encryption algorithm which may be very difficult to decrypt. This is why we have suggested a data recovery method that may help you go around direct decryption and try to restore your files. Bear in mind that this method may not be 100% effective but may also help you a little or a lot in different situations.
Simply click on the link and on the website menus on top, choose Data Recovery - Data Recovery Wizard for Windows or Mac (depending on your OS), and then download and run the tool.
Get rid of Kvag vrius from Mac OS X.
Step 1: Uninstall Kvag vrius and remove related files and objects
1. Hit the ⇧+⌘+U keys to open Utilities. Another way is to click on “Go” and then click “Utilities”, like the image below shows:
- Go to Finder.
- In the search bar type the name of the app that you want to remove.
- Above the search bar change the two drop down menus to “System Files” and “Are Included” so that you can see all of the files associated with the application you want to remove. Bear in mind that some of the files may not be related to the app so be very careful which files you delete.
- If all of the files are related, hold the ⌘+A buttons to select them and then drive them to “Trash”.
In case you cannot remove Kvag vrius via Step 1 above:
In case you cannot find the virus files and objects in your Applications or other places we have shown above, you can manually look for them in the Libraries of your Mac. But before doing this, please read the disclaimer below:
You can repeat the same procedure with the following other Library directories:
→ ~/Library/LaunchAgents
/Library/LaunchDaemons
Tip: ~ is there on purpose, because it leads to more LaunchAgents.
Step 3 (Optional): Try to Restore Files Encrypted by Kvag vrius.
Ransomware infections and Kvag vrius aim to encrypt your files using an encryption algorithm which may be very difficult to decrypt. This is why we have suggested a data recovery method that may help you go around direct decryption and try to restore your files. Bear in mind that this method may not be 100% effective but may also help you a little or a lot in different situations.
Simply click on the link and on the website menus on top, choose Data Recovery - Data Recovery Wizard for Windows or Mac (depending on your OS), and then download and run the tool.
Kvag vrius FAQ
What is Kvag vrius ransomware and how does it work?
Kvag vrius is a ransomware infection - the malicious software that enters your computer silently and blocks either access to the computer itself or encrypt your files.
Many ransomware viruses use sophisticated encryption algorithm how to make your files inaccessible. The goal of ransomware infections is to demand that you pay a ransom payment to get access to your files back.
How does Kvag vrius ransomware infect my computer?
Via several ways.Kvag vrius Ransomware infects computers by being sent via phishing e-mails, containing virus attachment.
This attachment is usually masked as an important document, like an invoice, bank document or even a plane ticket and it looks very convincing to users.
After you download and execute this attachment, a drive-by download occurs and your computer is infected with the ransomware virus.
Another way, you may become a victim of Kvag vrius is if you download a fake installer, crack or patch from a low reputation website or if you click on a virus link. Many users report getting a ransomware infection by downloading torrents.
How to open .Kvag vrius files?
You can't. At this point the .Kvag vrius files are encrypted. You can only open them once they are decrypted.
Decryptor did not decrypt my data. What now?
Do not panic and backup the files. If a decryptor did not decrypt your .Kvag vrius files successfully, then do not despair, because this virus is still new.
One way to restore files, encrypted by Kvag vrius ransomware is to use a decryptor for it. But since it's a new virus, advised that the decryption keys for it may not be out yet and available to the public. We will update this article and keep you posted as soon as this decryptor is released.
How Do I restore ".Kvag vrius" files (Other Methods)?
Yes, sometimes files can be restored. We have suggested several file recovery methods that could work if you want to restore .Kvag vrius files.
These methods are in no way 100% guarantee that you will be able to get your files back. But if you have a backup, your chances of success are much greater.
How do I get rid of Kvag vrius ransomware virus?
The safest way and the most efficient one for the removal of this ransomware infection is the use a professional anti malware software. It will scan for and locate Kvag vrius ransomware and then remove it without causing any additional harm to your important .Kvag vrius files.
Also, keep in mind that viruses like Kvag vrius ransomware also install Trojans and keyloggers that can steal your passwords and accounts. Scanning your computer with an anti-malware software will make sure that all of these virus components are removed and your computer is protected in the future.
What to Do If nothing works?
There is still a lot you can do. If none of the above methods seem to work for you, then try these methods:
- Try to find a safe computer from where you can can login on your own line accounts like One Drive, iDrive, Google Drive and so on.
- Try to contact your friends, relatives and other people so that they can check if they have some of your important photos or documents just in case you sent them.
- Also, check if some of the files that were encrypted it can be re-downloaded from the web.
- Another clever way to get back some of your files is to find another old computer, a flash drive or even a CD or a DVD where you may have saved your older documents. You might be surprised what will turn up.
- You can also go to your email account to check if you can send any attachments to other people. Usually what is sent the email is saved on your account and you can re-download it. But most importantly, make sure that this is done from a safe computer and make sure to remove the virus first.
More tips you can find on our forums, where you can also asks any questions about your ransomware problem.
How to Report Ransomware to Authorities?
In case your computer got infected with a ransomware infection, you can report it to the local Police departments. It can help authorities worldwide track and determine the perpetrators behind the virus that has infected your computer. Below, we have prepared a list with government websites, where you can file a report in case you are a victim of a cybercrime:
Cyber-security authorities, responsible for handling ransomware attack reports in different regions all over the world:
- Germany - Offizielles Portal der deutschen Polizei
- United States - IC3 Internet Crime Complaint Centre
- United Kingdom - Action Fraud Police
- France - Ministère de l'Intérieur
- Italy - Polizia Di Stato
- Spain - Policía Nacional
- Netherlands - Politie
- Poland - Policja
- Portugal - Polícia Judiciária
- Greece - Cyber Crime Unit (Hellenic Police)
- India - Mumbai Police - CyberCrime Investigation Cell
- Australia - Australian High Tech Crime Center
Reports may be responded to in different timeframes, depending on your local authorities.
virus is remove but file not restore.
pls help me.
Hi satish,
Currently there is no official decrypter for this version of STOP ransomware (.kvag). There are a few offline keys for these variants:
OFFLINE KEY for .seto.
OFFLINE KEY for .gero.
OFFLINE KEY for .hese.
OFFLINE KEY for .kvag.
OFFLINE KEY for .meds.
OFFLINE KEY for .moka.
OFFLINE KEY for .peta.
This means that a decrypter may be available in the upcoming weeks. Stay tuned, as we will update our articles as soon as this happens.