Technical Description on Zenis Ransomware
Zenis Ransomware is a newly discovered file-encoder virus which uses a strongly AES file encryption algorithm to encode the important files like images, documents, spreadsheets, presentations, videos, audio files and others stored on victim's machine. The targeted files types stored on compromised computers encrypted by this ransomware will receive 'Zenis-' prefix. Once it encrypts the system's files, the malware displays a ransom notification onto the desktop and also creates an executable file identified as 'Decryptor.exe'. Based on the research report, Zenis Ransomware is not as much harmful as other previously detected file-encoder viruses. It may invade the Windows machine with the help of spam email attachments and malicious RDP configuration.
When the harmful payload of this ransomware gets executed, it runs various scripts through Command Prompt Admin in order to disable the pre-installed anti-malware tools. Besides, it also has the ability to block crucial computer's processes and files in order to remain undetected and prevent the removal from security applications. The main objective of Zenis Ransomware virus is to make the files stored on affected machines completely inaccessible for the users by encrypting them and then displays a ransom note in the form of '.txt' file. The displayed ransom message informs the victimized users about the file encryption and also provides detailed information on how to obtain a decrypter to decode the enciphered files.
Working Principles of Zenis Ransomware Virus
The users of compromised systems are asked to contact the developers of Zenis Ransomware through the email address '[email protected]' and '[email protected]' mentioned in the displayed ransom note. Hackers also instruct the affected users to send one personal file which does not exceed the limit of 2 MB for free decryption. They does that in order to make infected users believe that the decryption of enciphered files is possible. According to the cyber extortionists responsible for Zenis Ransomware attack, if they do not respond to users mail within 6 hours, they can send a message to mail address '[email protected]' or '[email protected] ' with the help of TOR browser.
Moreover, affected system users are also instructed to pay ransom money in the form of Bitcoins to given Bitcoin wallet address through TOR browser in order to remain anonymous. Unfortunately, free decryption of the files encrypted by this ransomware is not available. However, you should refrain from paying asked ransom money and remove Zenis Ransomware from your device as soon as possible. After that, try alternative methods for file recovery.
What To Do If Your PC Get Infected By Zenis Ransomware
The ransomware infection has been mainly designed with the purpose to scare users and trick their money. It take your files on hostage and demand ransom to return your important data. But now the question is what you can do when your system got infected by Zenis Ransomware virus? Here are some option that you can use to get rid of this nasty infection.
Don’t Panic – Well the first thing is Don’t panic and then completely check out your system for any working files. If you got any working files then copy it to USB drive.
Pay Ransom – Other option is you can pay the ransom and wait to get your files back. (really a bad option)
Use Backup – Clean you entire system files, remove the infection completely from your PC and restore your files with any backup.
Remove Infection – You can also delete Zenis Ransomware virus using malware removal tool and remove all the infected files. You can later recover all your data by using any data recovery tool. (In case you don’t have backup of your files.) – Recommended Method.
Reinstall Windows – The last option is reinstall your Windows OS. It will completely remove all your data as well as infection. You will get a completely new infection free PC.
How To Remove Zenis Ransomware Virus From Your PC
Step 1 – Boot your computer in Safe mode.
Step 2 – Remove the infected registry entry files.
- Click Windows Flag and R button together.
- Type “regedit” and click OK button
- Find and delete following entries.
HKEY_CURRENT_USERSoftwareMicrosoftInternet ExplorerMain “Default_Page_URL”
Step 3 – Remove From msconfig
- Click Windows + R buttons simultaneously.
- Type msconfig and press Enter
- Go to Startup tab and uncheck all entries from unknown manufacturer.
Step 4 – Restart your computer normally.
Check your computer now. If the virus has gone then you can start using your computer. If the infection still remains then head to the next step.
Step 5 – System Restore
- Insert Windows installation disk to CD drive and restart your PC.
- While system startup, keep pressing F8 or F12 key to get boot options.
- Now select the boot from CD drive option to start your computer.
- Then after you will get the System Recovery Option on your screen.
- Select the System Restore option from the list.
- Choose a nearest system restore point when your PC was not infected.
- Now follow the option on your screen to Restore your computer.
If the above manual methods didn’t removed Zenis Ransomware virus then you have only option to remove infection using a malware removal tool. It is last and the only option that can easily and safely remove this nasty threat from your computer.
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