CryptoShield Ransomware is a latest version of CryptoMix ransomware which is recently detected by security analyst Kafeine. According to the researcher, this ransomware is not only new by name, it has also received certain infection updates. The previous version of this threat use RSA-2048 algorithm to encrypt files of infected computer but the latest version apply AES-256 algorithm to encode your data. Apart from that it also make use of ROT-13 encryptor which is a substitution cipher that help this ransomware to change the name of encrypted files. However, the previous version was based on the outlook of CryptoWall ransomware but this threat follow Locky ransomware. Like a typical ransomware, it also appear silently in the system and start scanning the available files. Once, your file get encrypted then you can only access them with a unique decryption key which is stored by criminals.
CryptoShield Ransomware : How it infect your system?
Like most of the encrypting virus, CryptoShield Ransomware is also distributed through exploit kit. At the moment, creator of this ransomware use RIG and EITest Exploit Kit to cause this infection. This exploit kit may use different form s of files such as .vbs, .xls, .doc, .html, .hta etc. The malicious file will be send to the user via spam email attachment. The email is disguised as an important document which is send by some reliable organization or some invoice of online store. If the document is opened by the victim, it immediately activate the ransomware in the system. It can encrypt all the files found on your system with different file extensions which include the following names:
CryptoShield Ransomware – What happens after infiltration?
Upon its installation, CryptoShield Ransomware encrypt your file and also add a unique extension to the encrypted file to leave its mark. User can recognize the encrypted file with the .cryptoshield extension. After that it drop its ransomware note which is known as # RESTORING FILES #.TXT or # RESTORING FILES #.HTML. In these ransom note, it provide three emails and want victim to contact on any one of them to know the process of decryption. But as also advised by experts, user should not contact the email. Once you do that the criminals will demand a certain amount of ransom from you. Paying the ransom is not a solution because you don’t know if the hackers will give you decryptor or not.
Other malicious activities of CryptoShield Ransomware
This ransomware will also create some other malicious files in the infected system which is responsible for several activities. After accomplishing its encryption process, CryptoShield Ransomware can also delete the encryption file and open a backdoor on the system. This backdoor can be used later by cyber criminals to drop other malicious files in the system. Apart from that it also display some fake error message which severely interrupt your work. Here is a snap of the error message:
In order to decrypt your files, you can use backup copy if you have created or also take help of some reliable recovery program. But if you really want to protect your system then remove CryptoShield Ransomware immediately from it.
Removal of CryptoShield Ransomware
It is not easy to remove any threat from PC specially when it is stubborn like CryptoShield Ransomware. But with the help of below manual steps you can try to remove it.
Step 1: Restart your PC to Safe Mode with Networking
- Click on Start button > click Shutdown button.
- After that click on the Restart and click OK.
- Continue pressing F8 key once your PC become active.
- It launch the Advanced Boot Options window.
- Select Safe Mode with Networking and press enter.
Step 2 : Remove suspicious files from control panel
- Close all the programs and select control panel.
- Now choose uninstall a program and features option.
- Here you will get all the installed program.
- Find out program related to CryptoShield Ransomware
- Click on Uninstall option to remove them
Step 3 : Stop malicious process From Task Manager
- Press the Windows logo + R button simultaneously.
- It will launch the run box on your screen
- Now type “taskmgr”, click on the OK button.
- In Process tab and select malicious process
- Click on End process tab
You can only use manual steps if you are an experience user, otherwise it cant leave its effect. So it is recommended to remove CryptoShield Ransomware automatically using Free-scanner.