Msop ransomware is the threat that frustrates users when they cannot open documents, photos or videos marked with .msop extension
The changes made by Msop ransomware virus developers back in August affected these decryption possibilities significantly because when data gets locked using the proper algorithm and online keys are employed, tools like STOPDecrypter cannot work for victims as it worked before. The best option for this .msop file appendix using version – virus removal, system cleaning, and then file recovery using your data backups. It takes a long time for researchers to develop decryption tools based on new changes of code, but it is exceptionally difficult when versions come out one after the other. Some experts speculate that the new Djvu decryptor that could help with all the versions might never get released.
| Name | Msop ransomware |
|---|---|
| Family | Djvu/STOP virus |
| File marker | .msop is the appendix that goes on every affected photo, document or video file after the data-locking process |
| Ransom note | _readme.txt is the text file that contains ransom note from cybercriminals with a payment demand |
| Contact emails | datarestorehelp@firemail.cc and datahelp@iran.ir |
| Symptoms | This virus loads on the system and starts the attack immediately with encryption, so your files get locked and marked, and you can be more encouraged to pay for the recovery. After this and the direct ransom demand, various system functions or features get either disabled or interfered with, so malware runs for a longer time on the system |
| Danger | Malware runs in the background and affects the various processes of the system, it can also damage many parts of the device permanently or infect the PC with additional threats. Contacting these people can lead to loss of money and data or more serious issues with your privacy and sensitive information |
| Distribution | This is the virus family that, in most cases, is distributed via infected files pre-packed with pirated software or as email attachments |
| Elimination | You need to remove Msop ransomware using anti-malware tools because only such software can find malicious files and delete them completely |
| Cleaning tip | Unfortunately, the antivirus application cannot help you with all encoded data or damaged system files. System optimization tools like FortectIntego might indicate those issues, corrupted system data, and fix the virus damage. As for file recovery, check the methods listed below. |
Msop ransomware is the intruder that falls into the category of cryptovirus because it employs the AES-256 algorithm[2] for encryption and demands direct payment from the victim in a _readme.txt file which gets placed on the desktop, in other folders with encrypted data. This file is the direct message from virus developers and encouragement to pay within 72 hours because the initial sum of $490 doubles after that.
Msop ransomware ransom message reads the following:
ATTENTION!
Don’t worry, you can return all your files!
All your files like photos, databases, documents and other important are encrypted with strongest encryption and unique key.
The only method of recovering files is to purchase decrypt tool and unique key for you.
This software will decrypt all your encrypted files.
What guarantees you have?
You can send one of your encrypted file from your PC and we decrypt it for free.
But we can decrypt only 1 file for free. File must not contain valuable information.
You can get and look video overview decrypt tool:
https://we.tl/t-4NWUGZxdHc
Price of private key and decrypt software is $980.
Discount 50% available if you contact us first 72 hours, that’s price for you is $490.
Please note that you’ll never restore your data without payment.
Check your e-mail “Spam” or “Junk” folder if you don’t get answer more than 6 hours.To get this software you need write on our e-mail:
datarestorehelp@firemail.ccReserve e-mail address to contact us:
datahelp@iran.ir
The text is pretty polite and can be encouraging for the victim, but paying is not a good idea. Experts[3] recommend ignoring the message and Msop ransomware developers altogether by deleting the threat as soon as possible and cleaning the machine from any traces, so the file recovery is not ending badly. If you load new files, replace encoded ones with safe copies, you risk getting those additionally encrypted when the machine is still affected by the ransomware.
Msop ransomware is the virus that can gain access to stored data or any saved information on the PC, so your personal information is at risk. Additionally, this family is known for loading the Windows Update window on the screen that shows the fake process of updating to hide the encryption and secondary payload dropping. AZORult trojan or info-stealing malware of any sort can easily find the way on your machine and obtain details for later scamming campaigns and even identity fraud.
You need to get rid of the threat, remove Msop ransomware itself and associated data, core files, to keep the machine clean and not affected by silent malware. Do that as soon as possible and use professional AV tools, so cryptovirus gets terminated, and additional malware cannot find the way on your system yet. 
You need to get a proper system tool or cleaner for the virus damage cleaning after initial Msop ransomware removal. FortectIntego may find, indicate, and repair Windows files, data in other system folders, or Windows Registry entries that get corrupted by the ransomware. This step is important for your device because repairing some functions of the PS can provide more options for data restoring.
There are no particular options for decryption of the Msop ransomware virus, but decryption tools for previous Djvu virus versions get updated often. Decryptor from Emsisoft research team is designed to decrypt versions released before August 25th of 2019 when the changes of code and encryption method were made. Nowadays virus developers make variants strictly using online IDs for their victims, so each person needs to get their unique decryption key for the proper file resorting.
Previously, Msop ransomware virus victims got their data recovered because offline IDs helped many victims at the time. One key got used for many victims, and StopDecrypter decrypted many systems. Now each victim needs to get the decryption key or possibly wait for any updates to the encryption of the virus or decryption tool release.
The best scenario would be to get these databases of virus developers leaked or hackers caught by law enforcement, but this is less likely to happen. You can store those encrypted files, some malicious data from the machine on an external device, and try to wait for any decryptor updates, but terminate the Msop virus before you get back to using the affected PC again. 
Shady distribution methods include malicious files and payload droppers
The internet is a place for anyone because you can find music, movies, software, and even love online. However, this is a very dangerous place too because malicious actors, criminals, hackers, other malicious people can find you and your device to run their activities.
When you browse various sites, some of them may be malicious copies of the real versions, so pages get filled with malicious scripts that trigger downloads of software or files. Also, malicious spam email campaigns include such things as malicious documents as attachments or pirated software packs install the virus as an extra download.
You need to pay attention to details like company names on emails, subject lines, services you use to get important applications, anti-malware software or games, documents. Stay away from cracks, cheatcodes, and licensed versions of programs distributed fo free. Such files have all the red flags you need to avoid.
Make the system virus-free and secure again by terminating Msop ransomware virus completely
Msop ransomware virus is the threat developed by the malware experts because criminals who manage the distribution of the ransomware released 180 more infections based on blackmail and extortion. Since the threat is not that new there are no vulnerabilities or flaws that may help for malware researchers to tackle the termination.
You need proper anti-malware tools for the best Msop ransomware removal results because AV detection engines can find malicious files, programs, and other malware associated parts on the machine to delete them completely and end the activity of this file-locking virus.
Unfortunately, to make the system virus-free you need to remove Msop ransomware and also run a few other processes. Security tools like SpyHunterCombo Cleaner, or MalwarebytesMalwarebytes can help with virus elimination, but you need to get a system tool like FortectIntego which can find and repair Windows files affected or even damaged by the infection.
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