Remove Kvag Ransomware (.kvag Files)

Objective of this page is to help victims in removing Kvag Ransomware from their computer. Aside from systematic guide, we are providing effective virus and malware removal tool to completely delete the threat.

Kvag virus is a ransomware threat that presently spreads via the internet using various online schemes and may hit random target computer users. The distribution of this highly dangerous virus can be anything that utilizes the internet as its primary road towards supposed victims. Some examples and probably most victims accidentally acquire Kvag ransomware are spam emails, malicious pop-up ads, software piracy, and dangerous links from social media sites and susceptible websites.

When Kvag ransomware penetrates a computer, it may cause many system troubles and as designed, the issues can end various vital system processes including deactivation of anti-virus software. Kvag ransomware has so many elements in it with specific tasks of inflicting unwanted system changes. If completed, the virus proceeds to final attack, which is encrypting majority of user’s files using a highly complex algorithm. The effect will be very devastating to users because files like documents, spreadsheets, photos, images, videos, and many data that are more valuable will never be usable as long as it is under the control of Kvag ransomware. In addition, all of the affected files will exhibit the .kvag extension that only implies no correlation with any computer programs.

It is worth to mention that Kvag ransomware is another member of STOP/DJVU malware family where other hazardous threats have emerges including Domn, Meds, and Moka. As investigated by malware researchers, only obvious change on this recent variant is the appended extension, which is .kvag. Everything remains as-is from the deployment method to behavior that it demonstrates right after infecting the computer.

Below is an effective procedure to remove Kvag ransomware and also optional method to recover .kvag encrypted files. Please execute the guide in exact order to ensure proper removal of the virus.

Screenshot Image:

Kvag Ransomware

Ways to recover files encrypted by Kvag Ransomware

Kvag decryption tool called Decrypter_2 is provided by Emmanuel_ADC-Soft and is known effective in recovering .kvag infected files if the malware uses Offline Key during the encryption process. You can download the tool from our Ransomware Decryption Tools archive. After downloading the tool, please execute these procedures:

1. As stated in the tool, entering incorrect key may result to permanent file damage. Therefore, it is important to Backup Your Files onto blank removable drive before proceeding with the decryption.

Warning: If you attach a writable USB Hard Drive or Flash Drive onto infected computer, the virus may also encrypt all clean files on that media. Therefore, Blank storage device is recommended if you haven’t removed the virus yet.

2. Double-click Decrypter_2.exe to run the tool. This process may prompt Windows OS for you permission. Just allow the program to run.

3. You need to input three items on the tool namely Private Key (download here), Personal ID (see the _readme.txt file on your computer), and File Name of the ransom note, which should remain as-is, shown in the image below.

Decrypter_2

4. To test and decrypt one .kvag file, please click the Decrypt File button. The tool will automatically decrypt a single file without having to click on Start Button.

To decrypt several files, please click Decrypt Folder. The tool will start recovering files on selected folder and continue to search other locations and decrypt them as well.

Clicking on the Start button immediately will prompt the tool to thoroughly check all folders on the computer.

Alternative Solution:

If your PC is running on Windows Vista and Windows 7, there is a feature called ‘Previous Versions’. Although this function only works if restore point was saved prior to Kvag infection or if System Protection is enabled on the computer. Use Previous Versions to recover files without having to pay for the private key.

Kvag ransomware Removal Procedures

Systematic procedures to get rid of the threat are presented on this section. Make sure to scan the computer with suggested tools and scanners.

Step 1 : Reboot Windows Into Safe Mode With Networking.

First thing you should do is reboot the computer in Safe Mode with Networking to avoid Kvag ransomware from loading at start-up.

NOTE: You will need to PRINT or BOOKMARK this procedure, as we have to restart the computer during the removal process.

1 Remove all media such as Memory Card, cd, dvd, and USB devices. Then, restart the computer.

2 Boot Windows computer into SafeMode with Networking.

Instructions for Windows XP, Windows Vista, and Windows 7 system
a) Before Windows begins to load, press F8 on your keyboard.
b) It will display the Advanced Boot Options menu. Select Safe Mode with Networking.

Procedures for Windows 8 and Windows 10
a) Before Windows begins to load, press Shift and F8 on your keyboard.
b) On Recovery interface, click on 'See advanced repair options'.
c) Next, click on Troubleshoot option.
d) Then, select Advanced options from the list.
e) Lastly, please choose Windows Startup Settings and click on Restart. When Windows restarts, you will be send to a familiar Advanced Boot Options screen.
f) Select Safe Mode with Networking from the selections menu.

SafeMode

Step 2 : Detect and Remove Kvag ransomware with Anti-malware Tool

3 Once the computer boots into Safe Mode with Networking, download the Removal Tool and save it on your Desktop or any location on your PC.

Download Tool

4 When finished downloading, locate and double-click on the file to install the application. Windows' User Account Control will prompt at this point, please click Yes to continue installing the program.

5 Follow the prompts and install with default configuration.

6 Before the installation completes, check prompts that software will run and update on itself.

7 Click Finish. Program will run automatically and you will be prompted to update the program before doing a scan. Please download needed update.

8 When finished updating, the tool will run. Select Perform full scan on main screen to check your computer thoroughly.

9 Scanning may take a while. When done, click on Show Results.

10 Make sure that all detected threats are checked, click on Remove Selected. This will delete all files and registry entries that belongs to Kvag ransomware.

11 Finally, restart your computer.

Note: If Kvag ransomware prevents mbam-setup.exe from downloading. Download the software from another computer. Renaming it to something like 'anything.exe' can help elude the malware.

Step 3 : Additional Anti-virus and Anti-rootkit Scans

Ensure that no more files of Kvag ransomware are left inside the computer

12 Click on the button below to download Norton Power Eraser from official web site. Save it to your desktop or any location of your choice.

NPE Download

13 Once the file is downloaded, navigate its location and double-click on the icon (NPE.exe) to launch the antivirus program.

14 Norton Power Eraser will run. If it prompts for End User License Agreement, please click on Accept.

15 On NPE main window, click on Advanced. We will attempt to remove Kvag ransomware components without restarting the computer.

Advance Scan

16 On next window, select System Scan and click on Scan now to perform standard scan on your computer.

Scan the System

17 NPE will proceed with the scan. It will search for Trojans, viruses, and malware like Kvag ransomware. This may take some time, depending on the number of files currently stored on the computer.

18 When scan is complete. All detected risks are listed. Remove them and restart Windows if necessary.

Alternative Removal Procedure for Kvag ransomware

Use Windows System Restore to return Windows to previous state

During an infection, Kvag ransomware drops various files and registry entries. The threat intentionally hides system files by setting options in the registry. With these rigid changes, the best solution is to return Windows to previous working state is through System Restore.

To verify if System Restore is active on your computer, please follow the instructions below to access this feature.

Access System Restore on Windows XP, Windows Vista, and Windows 7

a) Go to Start Menu, then under 'Run' or 'Search Program and Files' field, type rstrui.
b) Then, press Enter on the keyboard to open System Restore Settings.

rstrui-win7

Open System Restore on Windows 8 and Windows 10

a) Hover your mouse cursor to the lower left corner of the screen and wait for the Start icon to appear.
b) Right-click on the icon and select Run from the list. This will open a Run dialog box.
c) Type rstrui on the 'Open' field and click on OK to initiate the command.

rstrui-win8

If previous restore point is saved, you may proceed with Windows System Restore. Click here to see the full procedure.

FAQs

Is Kvag ransomware Dangerous?

Yes, Kvag ransomware can badly affect your computer and slow down its performance and usability.

Can I Remove Kvag ransomware from my Computer?

Yes, Kvag ransomware can be removed by downloading our recommended antivirus software and scanner.

How Easy is it to Remove Kvag ransomware Virus?

Nearly all paid antivirus scanners and removal tools should help remove the Kvag ransomware virus from your computer.

Once I remove Kvag ransomware do I still need antivirus?

Yes, new viruses such as Kvag ransomware are created everyday and the only way to stay 100% protected is to use antivirus on your device.

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About Adam Green

Adam is an experienced security aficionado who has written 100s of articles about malware, VPNs and staying secure online. He has been writing for PreciseSecurity.com since 2010.

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