.Velso Files Virus – How to Remove and Restore Your Data
THREAT REMOVAL

.Velso Files Virus – How to Remove and Restore Your Data

This article has been created in order to provide information on what is the .velso file extension virus and how to detect plus remove it from your computer and restore encrypted files.

New ransomware infection, using the file extension .velso and the “get_my_files.txt” ransom note has been detected in the wild. The virus aims to encrypt the files and generate a base64 public key which the victim should send to MerlinVelso@protonmail.com anonymous e-mail to receive payment instructions in order to get the cyber-criminals to decrypt them. Such ransomware virus attacks are increasing in both variety and infection rate and if your computer has been infected by the .velso ransowmare virus, reccomendations are to read the following article and learn how to remove it and how to try and restore your encrypted files.

Threat Summary

Name.velso Files Virus
TypeRansomware, Cryptovirus
Short DescriptionAims to encrypt your files, making them no longer openable, unless you pay ransom to the hacker to send you a decryption software key.
SymptomsThe files are encrypted with an added .velso file extension.
Distribution MethodSpam Emails, Email Attachments, Executable files
Detection Tool See If Your System Has Been Affected by .velso Files Virus

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Malware Removal Tool

User ExperienceJoin Our Forum to Discuss .velso Files Virus.
Data Recovery ToolWindows 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.

.Velso Ransomware – Propagation

There may be several different methods by which your computer may have been infected with the .velso files virus. The main of those is if the malware is spread via e-mail, resulting in it’s malicious files being opened manually by you. Most spammed e-mails sent by cyber-criminals often contain deceitful messages in them that aim to convince you into thinking the attachments within them are legitimate documents, such as fake invoices or receipts of an order you may have not even heard of. Furthermore, legitimate retailers like PayPal, FedEx, DHL and others are often imitated in the emails, so it is advisable to take caution.

In addition to via e-mail messages, the cyber-criminals also aim to infect victims with less effort, which may be the reason why you may find the infection file of the .velso ransomware masked as a fake:

  • Key generator.
  • License activation software.
  • Patch for program or game.
  • Crackfix.
  • Setup of software or games.

The cyber-criminals usually use suspicious websites to upload these malicious files and they often archive the files to mask them from conventional antivirus protection so maximum caution and on-demand scanning using an advanced anti-malware software are advisable if you use a download site for the first time.

.Velso Files Virus – More Information and Activity

The .Velso files virus is the type of threat which has a clear purpose – to encrypt the files on your computer. It’s initial infection is usually conducted by an intermediary malware file, like a downloader or dropper viruses. Such may use obfuscation to hide the fact that they drop the malicious files of the .velso ransomware on your computer. The files include the main executable of this virus plus other support files for this virus and they often have random names or imitate legitimate Windows processes or programs. They may be dropped in the following Windows directories:

  • %AppData%
  • %Local%
  • %LocalLow%
  • %Roaming%
  • %Temp%

The files that may be dropped may be of the following types:

.exe, .bat, .vbs, .reg, .js, .dll, .tmp, .hta

Among the files dropped by .velso ransomware is the
get_my_files.txt ransom note type of file which has the following message to victims:

“Hello. If you want to return files, write me to e-mail MerlinVelso@protonmail.com
Your userkey: {KEY}”

In addition to this, the .velso files virus may also add Windows Registry Entries in the following Windows Registry sub-keys:

→ 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

In those sub-keys, the entries that are created by the virus may have random names and their data may lead to the actual location of the malicious file set to run and encrypt your files, adding the .velso extension.

In addition to encyrpting data, the .velso files virus may also perform other activities on the victim’s computer, like run a script as an administrator that triggers Windows Command Prompt. The script may delete the shadow volume copies of the infected machine, most likely by executin the vssadmin and bcedit commands with the following parameters:

→ process call create “cmd.exe /c vssadmin.exe delete shadows /all /quiet & bcdedit.exe /set {default} recoveryenabled no & bcdedit.exe /set {default} bootstatuspolicy ignoreallfailures

.Velso Ransomware – How Does It Encrypt

The encryption of the .velso ransomware virus has been done using a sophisticated encryption algorithm, which replaces data from the original targeted files with data from the algorithm. The malware also aims to target specific files for encryption, like documents, images, videos, archives and other often used files which may have the following file extensions:

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

After the encryption process has completed, the ransomware virus adds the .velso file extension to the encrypted files, making them appear like the image below shows:

The recovery of the file cannot be done directly, since their core code is changed and tampering with them may risk damaging them. For more methods on how you can possibly recover them, check the removal and restoration section of the article underneath.

How to Remove .Velso Ransomware and Restore Encrypted Files

In order to fully remove this ransomware infection, reccomendations are that you follow the instructions down below for either manual or automatic removal approach. If you lack the experience in performing manual removal, experts often advise that the best way to remove viruses, like .velso is to scan your computer for all the objects related to them and remove them automatically by using an advanced anti-malware software. Such will also make sure that your computer remains protected against future infections.

If you want to try and recover as many files as possible by using methods besides paying the ransom, we advise you to check some of the file recovery methods down below in step “2. Restore files encrypted by .velso Files Virus”. These are not 100% guaranteed to work, but they may help you to get back at least some of your important data.

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Ventsislav Krastev

Ventsislav has been covering the latest malware, software and newest tech developments at SensorsTechForum for 3 years now. He started out as a network administrator. Having graduated Marketing as well, Ventsislav also has passion for discovery of new shifts and innovations in cybersecurity that become game changers. After studying Value Chain Management and then Network Administration, he found his passion within cybersecrurity and is a strong believer in basic education of every user towards online safety.

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Windows Mac OS X

How to Remove .velso Files Virus from Windows.


Step 1: Boot Your PC In Safe Mode to isolate and remove .velso Files Virus

OFFER

Manual Removal Usually Takes Time and You Risk Damaging Your Files If Not Careful!
We Recommend To Scan Your PC with SpyHunter

Keep in mind, that SpyHunter’s scanner is only for malware detection. If SpyHunter detects malware on your PC, you will need to purchase SpyHunter's malware removal tool to remove the malware threats. Read our SpyHunter 5 review. Click on the corresponding links to check SpyHunter's EULA, Privacy Policy and Threat Assessment Criteria

1. Hold Windows key() + R


2. The "Run" Window will appear. In it, type "msconfig" and click OK.


3. Go to the "Boot" tab. There select "Safe Boot" and then click "Apply" and "OK".
Tip: Make sure to reverse those changes by unticking Safe Boot after that, because your system will always boot in Safe Boot from now on.


4. When prompted, click on "Restart" to go into Safe Mode.


5. You can recognise Safe Mode by the words written on the corners of your screen.


Step 2: Uninstall .velso Files Virus 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:


1. Hold the Windows Logo Button and "R" on your keyboard. A Pop-up window will appear.


2. In the field type in "appwiz.cpl" and press ENTER.


3. This will open a window with all the programs installed on the PC. Select the program that you want to remove, and press "Uninstall"
Follow the instructions above and you will successfully uninstall most programs.


Step 3: Clean any registries, created by .velso Files Virus 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 .velso Files Virus there. This can happen by following the steps underneath:

1. Open the Run Window again, type "regedit" and click OK.


2. When you open it, you can freely navigate to the Run and RunOnce keys, whose locations are shown above.


3. You can remove the value of the virus by right-clicking on it and removing it.
Tip: To find a virus-created value, you can right-click on it and click "Modify" to see which file it is set to run. If this is the virus file location, remove the value.

IMPORTANT!
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 .velso Files Virus with SpyHunter Anti-Malware Tool

1. Click on the "Download" button to proceed to SpyHunter's download page.


It is recommended to run a scan before purchasing the full version of the software to make sure that the current version of the malware can be detected by SpyHunter. Click on the corresponding links to check SpyHunter's EULA, Privacy Policy and Threat Assessment Criteria.


2. After you have installed SpyHunter, wait for it to update automatically.

SpyHunter5-update-2018


3. After the update process has finished, click on the 'Malware/PC Scan' tab. A new window will appear. Click on 'Start Scan'.

SpyHunter5-Free-Scan-2018


4. After SpyHunter has finished scanning your PC for any files of the associated threat and found them, you can try to get them removed automatically and permanently by clicking on the 'Next' button.

SpyHunter-5-Free-Scan-Next-2018

If any threats have been removed, it is highly recommended to restart your PC.

Step 5 (Optional): Try to Restore Files Encrypted by .velso Files Virus.

Ransomware infections and .velso Files Virus 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.

1. Download the reccomended Data Recovery software by clicking on the link underneath:

If the above link does not work for you and your region, try the other two links below, that lead to the same product:

and

2. On the download page, click on the "Download" button:

3. Click on "Save File" button:

4. Accept all agreements and click "Next":

5. After all the "Next" steps, click on "Install" and then wait for the installation to complete:

6. Run the software. Click on the location to scan for missing or deleted files and click on "Scan":

7. Wait for the scan to complete, it may take some time. Be advised that this scan is not 100% guaranteed to recover all files, but it does have some chance to get your data back:


Windows Mac OS X

Get rid of .velso Files Virus from Mac OS X.


Step 1: Uninstall .velso Files Virus and remove related files and objects

OFFER
Manual Removal Usually Takes Time and You Risk Damaging Your Files If Not Careful!
We Recommend To Scan Your Mac with SpyHunter for Mac
Keep in mind, that SpyHunter for Mac needs to purchased to remove the malware threats. Click on the corresponding links to check SpyHunter’s EULA and Privacy Policy


1. Hit the ⇧+⌘+U keys to open Utilities. Another way is to click on “Go” and then click “Utilities”, like the image below shows:


2. Find Activity Monitor and double-click it:


3. In the Activity Monitor look for any suspicious processes, belonging or related to .velso Files Virus:

Tip: To quit a process completely, choose the “Force Quit” option.


4. Click on the "Go" button again, but this time select Applications. Another way is with the ⇧+⌘+A buttons.


5. In the Applications menu, look for any suspicious app or an app with a name, similar or identical to .velso Files Virus. If you find it, right-click on the app and select “Move to Trash”.


6: Select Accounts, after which click on the Login Items preference. Your Mac will then show you a list of items that start automatically when you log in. Look for any suspicious apps identical or similar to .velso Files Virus. Check the app you want to stop from running automatically and then select on the Minus (“-“) icon to hide it.


7: Remove any left-over files that might be related to this threat manually by following the sub-steps below:

  • 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 .velso Files Virus 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:

Disclaimer! If you are about to tamper with Library files on Mac, be sure to know the name of the virus file, because if you delete the wrong file, it may cause irreversible damage to your MacOS. Continue on your own responsibility!

1: Click on "Go" and Then "Go to Folder" as shown underneath:

2: Type in "/Library/LauchAgents/" and click Ok:

3: Delete all of the virus files that have similar or the same name as .velso Files Virus. If you believe there is no such file, do not delete anything.

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 2: Scan for and remove .velso Files Virus files from your Mac

When you are facing problems on your Mac as a result of unwanted scripts and programs such as .velso Files Virus, the recommended way of eliminating the threat is by using an anti-malware program. Combo Cleaner offers advanced security features along with other modules that will improve your Mac’s security and protect it in the future.


Step 3 (Optional): Try to Restore Files Encrypted by .velso Files Virus on your Mac.

Ransomware for Mac .velso Files Virus aims to encode all your files using an encryption algorithm which may be very difficult to decode, unless you pay money. This is why we have suggested a data recovery method that may help you go around direct decryption and try to restore your files, but only in some cases. Bear in mind that this method may not be 100% effective but may also help you a little or a lot in different situations.

1. Download the recommended Data Recovery Mac app by clicking on the link underneath:

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