How to remove Oct Ransomware from PC [+ Decrypt Files]

Complete guidelines to delete Oct Ransomware

Oct Ransomware is all said to be a hectic malware that is detected as ransomware identity. Means, the threat is a creepy file encryption virus that can attack all Windows based system without any prior notice and corrupt the data saved on machine by using hybrid AES and RSA ciphers. While encrypting, Oct renames all encrypted files by appending “.oct” extension to the end of each and every filenames and makes totally useless. After the process is completed, it creates a ransom notes in all folders that contain encrypted data.

Threat specification

Name: Oct Ransomware

Type: Ransomware, Crypto-virus

Ransom Demanding Message: READ_ME.txt  

Extensions used: .oct

Short Description: This ransomware is a new detection that locks your files and demands a hefty ransom fee to offer decryption key. However, program is nothing more than a trap by hackers to earn illegal profit.

Symptoms: All important files will get appended with new extension, your trial to access your files may return will fail, eruption of hectic ransom note on computer screen and so on.

Cyber criminal contact: [email protected]

Distribution methods: malicious email attachments, malicious ads, torrent websites, harmful hyperlinks, software bundling, pirated or cracked software and other social engineering methods.

Removal: In order to remove Oct Ransomware, we recommend our users to use some reliable antimalware removal tool such as Spyhunter.

Complete details about Oct Ransomware

The created ransom notes demand the ransom money with claims to decrypt your files by offering a valid passcode or decryption key. Also, the ransomware claims if the users fail to remit demanded payment within two weeks, the hackers will delete all affected data and file recovery will be impossible in such instances. This way, the malware manage to cheat users and generate really a big amount of profits for its owners. The ransom note contains email address of the cyber criminals through which victims can contact them.

Additionally, users are also warned not to decrypt files manually or rename them using third party software as it might results into permanent data loss. In order to gain the trust of victims, cyber criminals offer free decryption of some encrypted files. The size of file is not more than 1mb as well as does not contain any personal and valuable information. The problem with being victim of ransomware attack is that in most cases cyber criminals behind Oct Ransomware is the only ones who have the right decryption tools.

Why you should avoid the ransom payment?

According to the cyber security experts point of view, the criminals behind Oct Ransomware and any other ransomware of this type should not be believed. There is no any proof that after receiving money, they will provide you the decrypter. It is also possible that these people may demand more ransom fee once you pay the demanded sum.

In case, if they send the key it is not sure that victims may decrypt all their encrypted files or the key may contain harmful malware that once invade into the system can collect the sensitive information like as bank account details, passwords etc. Hence, the money that you will pay may not give positive results. Thus, you should avoid paying the ransom fee.

How to retrieve the encrypted files?

First of all remove Oct Ransomware from the computer so that it will not encrypt any other files available on the desktop. To delete this malware, users are recommended to use some powerful anti-malware tool that has the ability to eliminate this ransomware infection soon from the machine. Once PC gets cleaned as well as malware gets removed, users can easily retrieve their files if they have the backup of such lost data on external drives. In case, backup files are not found, users are recommended to use other third party data recovery software.

How Oct Ransomware intrude on my computer?

The most common and popular methods to distribute malware is by sending malspam emails. Cyber crooks behind this use bulk emailing services to send deceptive emails to a large number of victims. They send emails that have some malicious Microsoft Office document, archive file, exe file etc. When you open such kind of scam emails, you can get a nasty virus. Apart from this, Oct Ransomware can also get spread through bundled freeware programs, unreliable software download sources, Trojans, fake software updating tools, malicious websites and infected USB drive.

Text presented in the “READ_ME.txt” file:

———-OCT_RANSOMWARE 1.2V———-

==========

Warning! Warning! Your documents, photos, and other important files have been encrypted by a powerful algorithm.
Your files are stored on our server, and we can delete and change these files at any time.
But if you want to restore your file, you have to pay us for the decryption.
Follow the instructions to recover your files!!!
==========
—————INSTRUCTIONS—————

1. send a e-mail to [email protected] .
   2. leave any messages. If you leave message, I will reply.
   3. If you send your encrypted files, I will made you give me a money.
   4. If you pay money by me, I will decrypted your files and return your decrypted files.
   5. But you don’t pay money, I will delete all your files.
   ==========

——————-MY MESSAGE——————-

If you can’t pay the money to me, I will decrypt your files for free!!!
But, you should pay money in a week!!!!!!
If you don’t pay the money over two weeks, I will expose your privacy and delete all your files and data!!

==========

——————-DOWNLOAD TOR BROWSER——————-

hxxps://tor-browser.softonic.kr/

——————MY TOR BROWSER SITE——————

octencrypt-1359BASK-yllqf.onion

octencrypt-1322FSQS-nngae.onion

Antimalware Details And User Guide

Click Here For Windows

Click Here For Mac

Step 1: Remove Oct Ransomware through “Safe Mode with Networking”

Step 2: Delete Oct Ransomware using “System Restore”

Step 1: Remove Oct Ransomware through “Safe Mode with Networking”

For Windows XP and Windows 7 users: Boot the PC in “Safe Mode”. Click on “Start” option and continuously press on F8 during the start process until the “Windows Advanced Option” menu appears on the screen. Choose “Safe Mode with Networking” from the list.

Now, a windows homescreen appears on the desktop and work-station is now working on “Safe mode with networking”.

For Windows 8 Users: Go to the “Start Screen”. In the search results select settings, type “Advanced”. In the “General PC Settings” option, choose “Advanced startup” option. Again, click on the “Restart Now” option. The work-station boots to “Advanced Startup Option Menu”. Press on “Troubleshoot” and then “Advanced options” button.  In the “Advanced Option Screen”, press on “Startup Settings”. Again, click on “Restart” button. The work-station will now restart in to the “Startup Setting” screen. Next is to press F5 to boot in Safe Mode in Networking.

For Windows 10 Users: Press on Windows logo and on the “Power” icon. In the newly opened menu, choose “Restart” while continuously holding “Shift” button on the keyboard. In the new open “Choose an option” window, click on “Troubleshoot” and then on the “Advanced Options”. Select “Startup Settings” and press on “Restart”. In the next window, click on “F5” button on the key-board.

Step 2: Delete Oct Ransomware using “System Restore”

Log-in to the account infected with Oct Ransomware. Open the browser and download a legitimate anti-malware tool. Do a full System scanning. Remove all the malicious detected entries.

In case if you cannot start the PC in “Safe Mode with Networking”, Try using “System Restore”

• During the “Startup”, continuously press on F8 key until the “Advanced Option” menu appears. From the list, choose “Safe Mode with Command Prompt” and then press “Enter”

• In the new opened command prompt, enter “cd restore” and then press “Enter”.

• Type: rstrui.exe and Press “ENTER”

• Click “Next” on the new windows

• Choose any of the “Restore Points” and click on “Next”. (This step will restore the work-station to its earlier time and date prior to Oct Ransomware infiltration in the PC.

• In the newly opened windows, press on “Yes”.

Once your PC gets restored to its previous date and time, download the recommended anti-malware tool and perform a deep scanning in order to remove Oct Ransomware files if they left in the work-station.

In order to restore the each (separate) file by this ransomware, use “Windows Previous Version” feature. This method is effective when “System Restore Function” is enabled in the work-station.

Important Note: Some variants of Oct Ransomware delete the “Shadow Volume Copies” as well hence this feature may not work all the time and is applicable for selective computers only.

How to Restore Individual Encrypted File:

In order to restore a single file, right click on it and go to “Properties”. Select “Previous Version” tab. Select a “Restore Point” and click on “Restore” option.

In order to access the files encrypted by Oct Ransomware, you can also try using “Shadow Explorer”. In order to get more information on this application, press here.

Important: Data Encryption Ransomware are highly dangerous and it is always better that you take precautions to avoid its attack on your work-station. It is advised to use a powerful anti-malware tool in order to get protection in real-time. With this help of “SpyHunter”, “group policy objects” are implanted in the registries in order to block harmful infections like Oct Ransomware.

Also, In Windows 10, you get a very unique feature called “Fall Creators Update” that offer “Controlled Folder Access” feature in order to block any kind of encryption to the files. With the help of this feature, any files stored in the locations such as “Documents”, “Pictures”, “Music”, “Videos”, “Favorites” and “Desktop” folders are safe by default.

It is very important that you install this “Windows 10 Fall Creators Update” in your PC to protect your important files and data from ransomware encryption. The more information on how to get this update and add an additional protection form rnasomware attack has been discussed here.

How to Recover the Files Encrypted by Oct Ransomware?

Till now, you would have understood that what had happed to your personal files that got encrypted and how you can remove the scripts and payloads associated with Oct Ransomware in order to protect your personal files that has not been damaged or encrypted until now. In order to retrieve the locked files, the depth information related to “System Restore” and “Shadow Volume Copies” has already been discussed earlier. However, in case if you are still unable to access the encrypted files then you can try using a data recovery tool.

Use of Data Recovery Tool

This step is for all those victims who have already tries all the above mentioned process but didn’t find any solution. Also it is important that you are able to access the PC and can install any software. The data recovery tool works on the basis of System scanning and recovery algorithm. It searches the System partitions in order to locate the original files which were deleted, corrupted or damaged by the malware. Remember that you must not re-install the Windows OS otherwise the “previous” copies will get deleted permanently. You have to clean the work-station at first and remove Oct Ransomware infection. Leave the locked files as it is and follow the steps mentioned below.

Step1: Download the software in the work-station by clicking on the “Download” button below.

Step2: Execute the installer by clicking on downloaded files.

Step3: A license agreement page appears on the screen. Click on “Accept” to agree with its terms and use. Follow the on-screen instruction as mentioned and click on “Finish” button.

Step4: Once the installation gets completed, the program gets executed automatically. In the newly opened interface, select the file types that you want to recover and click on “Next”.

Step5: You can select the “Drives” on which you want the software to run and execute the recovery process. Next is to click on the “Scan” button.

Step6: Based on drive you select for scanning, the restore process begins. The whole process may take time depending on the volume of the selected drive and number of files. Once the process gets completed, a data explorer appears on the screen with preview of that data that is to be recovered. Select the files that you want to restore.

Step7. Next is to locate the location where you want to saver the recovered files.