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Tag: Manual Removal of NETCrypton Ransomware

Remove NETCrypton Ransomware and restore .encrptd Files

NETCrypton Ransomware-Threat In Detail

A new ransomware threat “NETCrypton” is prevailing around that encrypts files on the attacked computer system. After encrypting the files are locked with “.encrptd” extension which are no more accessible to users. If you see your files having “.encrptd” extension like “myhome.jpg” is substituted with “myhome.jpg.encrptd”, this means your computer is attacked by NETCrypton Ransomware. The threat leaves a ransom note that notifies users about the files being encrypted and demands a ransom fee to be paid by the user to get the decryption key. Along with that, NETCrypton does other illicit activities like connecting to the remote server, performing updates, downloading other harmful program and even steal important data. Security Experts doesn’t recommend you pay the fine. There is no guarantee that paying the ransom will give you access to your files. Remove NETCrypton immediately.

Technical Details

Name NETCrypton Ransomware
Type Ransomware
Description NETCrypton Ransomware encrypts files, videos, images and texts stored on the target PC and demand a ransom amount from users to decode the files.
Occurrence spam mail attachments., exploit kits, malicious links and java script codes..
Possible Symptoms The ransom note can be seen on desktop and other file directories and files could not be accessible.
Detection Tool Download the Detection toolTo confirm attack of NETCrypton Ransomware virus on your computer.

Ransomware defender2 download

Distribution Method

NETCrypton Ransomware is distributed through spam mail attachment as a malicious script containing the payloads of the malware which if executed by the user could install the threat onto the computer system. Many cyber-criminals uses spam techniques to trick users by heading the mail as any invoice or shipment. Other sources might include visiting infected websites containing java script codes, exploit kits and spam bots. As you open the document or click the link, the payloads of NETCrypton Ransomware gets downloaded on the system and installed without any user’s permission. If the user open/execute this file on their device, then the virus gets installed and your PC will become infected with NETCrypton file-encrypting Ransomware threat.

More about NETCrypton Ransomware

NETCrypton Ransomware is a file-encrypting program that uses advanced encrypting algorithm to encrypt the files on the victim’s PC. It searches for important files like MS Office documents, OpenOffice, PDF, text files, databases, photos, music, video, image, archives and so on and append .encrptd extension to them. And further ask users to pay the ransom to get the decryption key and unlock the files.

Remove NETCrypton Ransomware

The ransomware changes the windows Registry entries to launch each time the window’s starts and takes up huge system resources to encrypt the files.

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
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Authentication\LogonUI\Background
HKEY_LOCAL_MACHINE\SOFTWARE\Policies\Microsoft\Windows\Personalization
HKEY_CURRENT_USER\Control Panel\Desktop\ScreenSaveTimeOut
HKEY_CURRENT_USER\Control Panel\Desktop

The files contains the ransom note and instructions for users on how to contact the authors of the ransomware and get their files back.

 

The ransom note by NETCrypton virus states that your documents has been encrypted and you need to pay a ransom in Bitcoins to get back your files. The ransom demanded by the extortionist is $300 and the victims should contact with the provided email address as soon as possible.

List of file extension encrypted

→ “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”

NETCrypton Ransomware uses AES encryption algorithm to encrypt data and appends random extensions to it.

The crypto-malware ensures that the user could be able to recover the files from shadow volume copies, so it deletes the files by executing the command

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

If you are among the one being a victim of “NETCrypton Ransomware”, then we would strongly suggest you not to pay any ransom to illegitimate persons behind it. Because even after paying they are not going to give your files back. So it is urged that you must opt for removal solutions for NETCrypton Ransomware and try to recover files by automatic data recovery tool or any backup copy if you have.

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