Mmob Virus

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*Mmob is a variant of Stop/DJVU. Source of claim SH can remove it.


Mmob is a money-extorting malware tool used by hackers to force users to pay a ransom by keeping their most valuable files locked. Mmob enters thecomputer silently and quickly locks up all targeted data without showing any visible symptoms so detecting it on time is unlikely.

DJVU 2 1024x641
The Mmob virus ransom note

Mmob is the name of a very nasty cryptovirus which belongs to the Ransomware category. As the name suggests, this infection uses a complex file encryption to take your personal hostage and to then ask you to pay a ransom for their decryption. Any user can become a victim of an insidious program like this one and all this is because the Ransomware infections use a variety of stealthy methods to sneak inside the system in order to generate astronomical profits for the hackers behind them.

The Mmob virus

The Mmob virus is a new example of the widespread Ransomware file-encrypting category – a family of malware known for blocking sensitive and valuable user data. The Mmob virus is mainly used to force the attacked victims to release a ransom payment in order to restore their locked files.

Like most viruses of its kind (Ttii, Jhgn, Jhbg), Mmob is typically distributed using malicious advertisements, spam messages, emails with infected attachments, different misleading offers, infected links and deceitful pop-ups. However, the Ransomware infections also often uses the help of Trojans in order to sneak in the system without being detected. That’s why it should be your priority to protect your machine with reliable antivirus software in order to prevent such malware from compromising you from the background of your system. One wrong click is all that it takes to land you an infection like Mmob, which will immediately start to encrypt the files that you use the most. Unfortunately, the Ransomware infection most often passes unnoticed by the user and only reveals itself after all the targeted data has been locked. A scary ransom-demanding message typically gets generated on the victim’s screen when the encryption process completes and asks for a certain amount of money in exchange for a special decryption key. Obtaining that key, however, depends on the hackers and there is absolutely no guarantee that you will actually get it no matter if you pay the ransom or not. That’s why, in the next lines, we have prepared some alternatives to the ransom payment which may help you recover some of your data for free. Before you use them, however, make sure that you remove Mmob from your system with the help of the instructions below, as this is the only way to make your computer safe for use in the future. 

The Mmob file

The Mmob file can be any file on your computer that this virus has locked with the help of its advanced encryption algorithm. A typical trait of the Mmob file is that it has a unique file extension that cannot be recognized by any program, thus making the file inaccessible.

Mmob File
The .mmob file virus

This question is a complex one and there is no universal answer to it. The reason is, the effects of the Ransomware’s attack may vary from case to case. For instance, if you have file backups through which you can recover your data, paying to the hackers is absolutely unnecessary. All that you have to do is remove the infection and clean your system from its traces. If you don’t have backups, however, you may not have many options. The decision, of course, is yours but if you ask us, we suggest you give a try to every possible alternative before risking your money by sending it to the hackers. The reason is, there is no guarantee that you will obtain the decryption key from them. Not to mention that even if they send you a key, it may not work properly and still leave you with your files encrypted.



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*Mmob is a variant of Stop/DJVU. Source of claim SH can remove it.

Remove Mmob Ransomware


The first step in this guide is to boot the infected machine in Safe Mode. If you require more thorough instructions for that, we suggest starting with the Safe Mode link and following the guidelines there.

We also suggest bookmarking this page in your browser’s bookmarks so you can simply return to it after the system reset.



*Mmob is a variant of Stop/DJVU. Source of claim SH can remove it.

Detecting a ransomware threat like Mmob might be tough. Furthermore, if left unaddressed, this threat has the potential to cause significant long-term harm to the system.

One of the most difficult problems you’ll face after this malware has infiltrated your computer is detecting and terminating its harmful processes. That’s why, we strongly advise you to carefully follow the steps below in order to clean your computer.

Press CTRL+SHIFT+ESC on your computer’s keyboard. A Windows Task Manager window will appear on the screen. Select the Processes tab and look for any processes associated with the malware. If you want to examine further a suspicious process, right-click it and choose “Open File Location” from the fast menu.


To confirm that the files linked with this process are free of any potentially dangerous code, you may use the free online scanning tool provided below.

Each file will be scanned with up to 64 antivirus programs to ensure maximum accuracy
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This file is not matched with any known malware in the database. You can either do a full real-time scan of the file or skip it to upload a new file. Doing a full scan with 64 antivirus programs can take up to 3-4 minutes per file.
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Each file will be scanned with up to 64 antivirus programs to ensure maximum accuracy
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    If the scanner detects a danger in any of the scanned files, the right-click menu may be used to end the linked process. After you do that, you can return to the infected files and remove them.


    The next important step is to remove any dangerous ransomware-related startup items that may be present on your computer. The System Configuration window may be used to do this. In the Windows search bar, type msconfig to find System Configuration. Next, on the Startup tab, you’ll a list of startup items:


    Uncheck any ransomware-related startup items. After that, look for startup items that aren’t usually associated with the apps that run when the system starts up. If you uncover sufficient information to support their deactivation, uncheck their ticks. However, don’t deactivate any operating system or reliable software components while you’re doing this!



    *Mmob is a variant of Stop/DJVU. Source of claim SH can remove it.

    In order to eliminate the ransomware and guarantee that it does not reemerge or leave any harmful components behind, you must remove any problematic registry entries discovered in your registry editor.

    You can do that if you open the Registry Editor by typing regedit in the Windows search bar and clicking Enter. Next, using the CTRL and F keyboard shortcuts, you can manually search for ransomware-related files in the Registry Editor. Write the ransomware’s name in the Find box that opens inside the Editor, then click Find Next. A potentially hazardous entry may be removed by right-clicking on it.

    Attention! Only delete the registry entries associated with the ransomware. You risk harming your system and installed apps if you change the registry or delete anything unrelated to the thrat. If you get into trouble and don’t know what to do, this page includes a link to a professional malware cleaning application that can help you remove the Mmob ransomware and other harmful software from your computer.

    After you’ve cleaned the Registry Editor, we suggest manually searching the places indicated below for any additional possibly dangerous files and subfolders. Type the name of the location you want to access into the Windows search bar and press Enter.

    1. %AppData%
    2. %LocalAppData%
    3. %ProgramData%
    4. %WinDir%
    5. %Temp%

    Any suspicious-looking files or subfolders created lately to any of the above-mentioned places should be thoroughly investigated. To guarantee your PC is clear of any potentially harmful temporary files, empty the Temp folder and remove everything inside it.

    The next step is to check your system for any malicious changes to the Hosts file. Copy/paste the following command in a new Run box (you can open it by hitting the Windows key and the R key at the same time) and click OK:

    notepad %windir%/system32/Drivers/etc/hosts

    If the Hosts file includes a number of dubious IP addresses under “Localhost”, as seen in the example image below, please let us know in the comments. Please do not hesitate to contact us if you notice any additional changes in your Hosts file.

    hosts_opt (1)


    How to Decrypt Mmob files

    After a ransomware attack, you may want to try a number of different approaches to unlock encrypted data. Unfortunatley, some file-restoration options may not function depending on the version that has infected you. For this reason, while selecting how to recover your data, the first thing you need to know is which Ransomware variant you’re dealing with. You may get this information by scanning for newly-added file extensions in the encrypted files.

    New Djvu Ransomware

    One of the most recent variants of the Djvu ransomware is STOP Djvu Ransomware. If the .Mmob file extension appears at the end of your encrypted files, you may have been infected by this variant.

    Even though this threat is new, victims whose data has been encrypted may have some possibility of restoring it. If you click on the link below, you may get a file decryption tool for this particular ransomware type that may assist you.


    Download the decryption program and choose “Run as Administrator” to run it. Please read the terms of use and license agreement on your screen before proceeding. By hitting the Decrypt button, you may start the decryption process right away. Keep in mind that this tool may be unable to decode data encrypted using unknown offline keys or online encryption. 

    Important! Before trying to decode encrypted data, we strongly advise you to search your computer for ransomware-related files and dangerous registry entries. You may use the suggested anti-virus software and the online virus scanner on this page to remove the Mmob-related harmful files from your computer. You can also ask any questions or share any difficulties in the comments box below this page.


    About the author


    Brandon Skies

    Brandon is a researcher and content creator in the fields of cyber-security and virtual privacy. Years of experience enable him to provide readers with important information and adequate solutions for the latest software and malware problems.

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