Cryptobyte Ransomware is a latest file encoder threat which is detected by malware researchers in third week of April 2017. Researcher also state that this ransomware is a latest variant of BTCWare ransomware. This file encoder is designed to aim the users who use Windows operating system and it can easily invade any of the Windows OS. Like its predecessor, it is also capable of encrypting large number of file types. The one and only aim of its developer is to encrypt important data and then demand ransom from the victim. Being a nasty threat, it silently enter its targeted system and start its malicious process. It is also classified as a mid-tier crypto-virus which use the customize AES and RSA ciphers to lock files of its targeted system. Once the file get encoded, then it is not possible to open them without unique decryption key.
Encryption Process Of Cryptobyte Ransomware
Similar to other threat, Cryptobyte Ransomware also take silent entry into its marked computer. Upon successful invasion, the ransomware make entries in the Windows registry, through this way it get the persistence to launch automatically with every start of infected PC. In order to make the recovery process more complex, the threat delete the shadow volume copies of the Windows operating system. The ransomware is known to add .Cryptobyte extension to each of the encrypted file. Some of the infected files are also seen having extension with email such as [email@example.com].cryptobyte. As stated above, this file encrypting threat can encode a large number of file types such as :
Different Antivirus tool has detected the ransomware including the following names :
The Ransom Note Of Cryptobyte Ransomware
After accomplishing its encryption process, Cryptobyte Ransomware drop its ransom note. The ransom note is loaded as an INF file which is named as #_HOW_TO_FIX.inf. Through the ransom note, criminals behind this threat notify the user about encryption and also tell them what to do for decrypting the files. The ransom note can be found in following location :
According to the ransom note, victims need to write mail to the provided email address which read as firstname.lastname@example.org. After this they will know how much amount they will have to send in order to get the decryptor. The ransom note also warn user to not rename the encrypted files or to not apply any third party software. If they try to do so then all the files will be permanently deleted. Following message are written in the ransom note :
The encryption process is totally secured and there is no free decryption key available. This is the reason why expert always suggest to create backup of your important files. If you have backup then the files can be recovered easily. The ransomware is designed to erase its traces on the compromised system and it is reported to delete the following files :
Removing Cryptobyte Ransomware
If you also detect Cryptobyte Ransomware on our system then you must try to remove it soon. If it stays on your system then it invite more infection and make the files as well as PC useless. In order to remove this threat manually from your system, use the following steps.
Step 1 : Remove ransomware from control panel
- Click on start button and Go to Control Panel
- Now Select Uninstall A Program option
- Locate Ransomware related files from installed program
- Select and and Uninstall them.
Step 2 : Stop Ransomware related process From Task Manager
- Press Ctrl + Shift + Esc keys together
- It will open the Windows Task Manager.
- Under Windows Task Manager, click on Processes Tab.
- Search for the ransomware related process
- Finally click on End Process.
Step 3 : Remove ransomware from Registry editor
- Press Windows + R Keys together
- It will open the Run window
- Then Type regedit in the Run box and press enter.
- All suspicious registry files are shown here.
- Delete them to get rid of Ransomware
Manual removal steps may not give you satisfactory results because through this way you can’t remove the different files created by the threat. Hence, it is recommended to use Free-scanner which delete all malicious files and remove the ransomware completely from your system.