While the computer users are finding pernicious DJVU Ransomware variants a hard cookie to crack, another devious file-locking virus is spreading its wings on the web.
This brand-new menace has been named as ERIS Ransomware as it renames the encrypted files by appending .ERIS Extension to the file-names. It surfaced to the lime-light for the first time on 4th July 2019.
According to the research, malvertising spam campaigns using a RIG exploit kit are the best used method for .ERIS file virus to spread its infection.
Once the system is infected, it scrutinizes the entire system for targeted user & system files. When found, it encrypts them & makes them unreadable.
You might wonder, what are the possible ways for removing this destructive file virus from your system? How can one stop ERIS Ransomware from infecting from system? Read on to find answer to such questions.
|Operating System Impacted||Windows|
|Symptoms||Files are encrypted & renamed with .ERIS Extension. Appearance of ransom-demanding message while trying to access ht encrypted files.|
The devious ERIS Ransomware is the latest addition to the giant family of Ransomware. Just like most of the Ransomware-infections, ERIS file virus is spreading its infection through malvertising spam campaigns.
The nasty activities of ERIS Ransomware begin with encrypting the files of the infected system. The research revealed that ERIS Ransomware uses highly-complex cryptography methods such as Salsa20 and RAS (Rivest–Shamir–Adleman) Encryption algorithm to encrypt the files.
The file extensions of the encrypted files are changed by appending .ERIS Extension to the filenames. A file named “image.jpg” might be renamed as “image.jpg.eris” after encryption.
Some of the file extensions that are at the target of the malicious ERIS Virus are:
Once the targeted files are encrypted, ERIS Ransomware drops a ransom-demanding note, a text document, on the victim’s desktop.
This note is named as “@ READ ME TO RECOVER FILES @.txt”. It contains a ransom message & instructions for obtaining ERIS decryption tool from the hackers.
The Encryption Algorithms, Salsa20 & RAS not only encrypt the files, but also generate unique private key for each infected system. This key is stored on the hacker-controlled server.
The hackers demand a hefty ransom amount of $825 in Bitcoins in exchange of the unique key & ERIS decrypter tool. The .ERIS file virus developers accept ransom amount in Bitcoins only.
In addition to that, the hackers offer to decrypt one file without any cost; in order to take the users in to thinking that decryption of files is possible. The victims are asked to contact the hackers on the e-mail- firstname.lastname@example.org & attach one encrypted file to it.
The decrypted file is sent back to the victims. Along with the file, the hackers provide further instructions to the victims concerning the payment of the ransom amount.
The ERIS developers claim to send the ERIS Decryption tool & unique key after receiving the ransom amount. However, most of the cyber-criminals do not keep their promise.
The analysis shows that victims stop receiving response from the hackers after paying the ransom.
Therefore, the victims should never pay ransom to the hackers, regardless of the amount. Paying the ransom encourages the hackers to spread the infection & extort money from the victims.
The victims should act smart in these situations. They can download ERIS Ransomware removal tool or remove malicious ERIS virus from their system with manual removal guidelines.
ERIS Ransomware infection mainly spreads through Malvertising Spam Campaigns using RIG Exploit Kit.
This file-virus enters the system without the knowledge of the user. It gets installed on the system when a computer user visits a malicious website & triggers a payload dropper.
Other common spread techniques that are suspected to be used by the hackers are:
To restart the system to Safe Mode with Networking, if already switched ON then follow the below steps:
5 Click on the username and enter the password (if any).
Continue to follow steps 4 & 5 of Method 2 to restore the System Files and settings.
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