Effectively Remove CryptoJoker Ransomware and Restore Encrypted Files from Infected PC

Know More about CryptoJoker Ransomware

CryptoJoker is a new ransomware that encrypts victims’ files with AES-256 encryption and then demands a ransom in bitcoins to get your files back. It is often spread by emails as a seemingly harmless attachment from a seemingly reputable or just suspected email address. If you download and open attachment, you will get this dangerous ransomware in your computer under a random name in program file folder.

CryptoJoker is similar to CryptoLoker and other encryption-type ransomware threats. It often targets on the following files:

.txt, .doc, .docx, .xls, .xlsx, .ppt, .pptx, .odt, .jpg, .png, .csv, .sql, .mdb, .sln, .php, .asp, .aspx, .html, .xml, .psd, .java, .jpeg, .pptm, .pptx, .xlsb, .xlsm, .db, .docm, .sql, .pdf

Once it has entered your system and encrypted your files, the ransomware will then display a red ransom note, stating:

Your personal files were encrypted using RSA key cryptographically!
It decrypts files can be knowing a unique, private RSA key length of 2048 bits, which is only for us.
Write to us at mail: file987@sigaint.org Spare mails: file9876@openmail.cc or file987@tutanota.com
Instructions for payment will be sent in the opposite letter.

Commonly, you are often required to decrypt your files by paying the ransom. However, you are not suggested to so that because it won’t help resolve the problem. What you should do is to install a trusted antimalware to eliminate this ransomware and protect your PC.

Remove CryptoJoker Ransomware & Restore CryptoJoker Files

Once infected, you should restore your system to a pervious point to get rid of this ransomware and restore your files. If didn’t create the restore point, you’d better follow the guide below to solve the problem.

Method 1: Manually Remove CryptoJoker with Step by Step Instruction
Method 2: Automatically Remove CryptoJoker & Restore Files with SpyHunter

Method 1: Manually Remove CryptoJoker with Step by Step Instruction

Step 1. Restart your computer in Safe mode.

Keep tabbing F8 key before the Windows start-up logo appears until you get to Advanced Options, select Safe Mode, and hit ENTER.



Step 2. End up the trojan processes in Windows Task Manager.

Press Ctrl+Shift+Esc or Ctrl+Alt+Delete to open Windows Task Manager, find malicious processes and click End process.



Random.exe

Step 3. Navigate to Registry Editor and clean up all CryptoJoker registry entries.

Press Win+ R key at and same time to open Run Commend Box. Open Registry Editor by typing “regedit” in Runbox and clicking OK.



Look through the registry entries and find out all listed harmful items. Right click on them and terminate the related entries (samples).



HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run "<random>" = "%AppData%\<random>.exe"
HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\Run "<random>" = "%AppData%\<random>.exe"
HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Policies\Attachments "SaveZoneInformation"=1
HKEY_CURRENT_USER\Software\Microsoft\Windows NT\CurrentVersion\Winlogon "Shell" = "%AppData%\<random>.exe"
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\msseces.exe "Debugger"="svchost.exe"
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\MpCmdRun.exe
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\MpUXSrv.exe
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\MSASCui.exe

Step 4. Show hidden folders and files.

Windows XP

Start button > Control Panel > Appearance and Personalization > Folder Options > Show Hidden Files or Folders



Remove the checkmark from Hide extensions for known file types. And remove the checkmark from Hide protected operating system files (Recommended).

Windows 7 / Vista

Libraries > Folder Options > Tools > Show Hidden Files or Folders




Remove the checkmark from Hide extensions for known file types and Hide protected operating system files (Recommended)

Windows 8 /8.1

Windows Explorer > View > Hidden Items



Delete CryptoJoker associated files (samples).

%UserProfile%\Application Data\Microsoft\[random].exe
%System Root%\Samples
%User Profile%\Local Settings\Temp
%AppData%\<random>.exe
%CommonAppData%\<random>.exe
C:\Windows\Temp\<random>.exe
%temp%\<random>.exe
C:\Program Files\<random>
C:\ProgramData\[random numbers]\

Method 2: Automatically Remove CryptoJoker & Restore Files with SpyHunter

SpyHunter is an adaptive real-time spyware detection and removal tool. It  can help you remove CryptoJoker and all the threats in your PC. It will never bundle with any programs and can get along with existing security programs without any conflicts. Please feel relieved about usage.

Click the download button below to get SpyHunter

After finishing downloading, click Run to install SpyHunter step by step.



After finishing installing, SpyHunter will scan and diagnose your entire system automatically.



After detecting all the threats in your system, you can click on “Fix Threats” to remove them.



Warm Reminder:

SpyHunter is a powerful anti-malware for inexperience computer user. It can help you remove all the detected threats automatically. So all you need to do is install it for immediate and ongoing protection.