Hhmm Virus

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


Hhmm Virus is a dangerous computer virus that targets Windows systems with the aim to make the files of its victims inaccessible. Hhmm Virus belongs to the Ransomware family of viruses because its main goal is to blackmail the victim for a ransom payment.

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The Hhmm Virus will leave a _readme.txt file with instructions

If you have recently realized that the files in your computer can no longer be accessed because no software present in your computer can open them, then you have more than likely been attacked by a threat of the Ransomware family. This is an infamous category of computer infections created for the sole purpose of blackmailing its victims and forcing them to make a ransom payment. There are different types of Ransomware viruses, but the two most common ones target the screen of the infected computer or the user’s files respectively. The ones that target the screen are easier to deal with – what they do is they simply display a screen-wide banner that covers everything, thereby restricting the user’s access to their computer. This might sound scary but it’s actually not as problematic and an experienced user should be able to take care of such a threat with relative ease. On the contrary, the Ransomware threats (Vvoo, Vvmm) that target the user’s files are usually very advanced and complex and dealing with an attack from them is almost always very challenging. This sort of threats utilizes the well-known data-encryption method to lock one’s files and keep them unavailable until the victim agrees to send some of their money to the hackers.

The Hhmm virus

The Hhmm Virus virus is a virus program that belongs to the file-locking category of Ransomware threats. The Hhmm Virus virus secretly launches a data-encrypting process in the system’s background once it attacks the computer through which it is able to lock the victim’s files.

Once applied to the files, the encryption can only be removed if a special key is used to revert it. Needless to say, this key is in the hands of the hackers and the money they want from you is for the ”purchase” of this key. However, if you pay the ransom demanded by the criminals, the only thing that would be guaranteed is that you’d never again see the money for the ransom, even in case you don’t receive the key from the hackers and don’t manage to restore your files. In fact, many users have gotten tricked this way – they completed the ransom payment without receiving a decryption key afterwards.

The Hhmm file decryption

The Hhmm Virus file decryption is a file-unlocking process that reverts the encryption applied to the targeted files. However, in most instances, the Hhmm Virus file encryption can only be completed if you have access to the decryption key that matches the applied encryption code.

Hhmm File

If you don’t want to risk your money for that key, we may have some other suggestions for you that you can try out. The first thing you must do (regardless of whether you decide to pay the ransom or not) is to remove the virus. Our guidelines from below will help you with that. After the virus is removed, you can try the potential recovery options in the data-restoration part of the guide.


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

Hhmm Ransomware Removal


Before you begin the process of removing Hhmm Virus, please make sure that you bookmark this page, which has detailed instructions on exactly how to find and delete any Hhmm Virus-related files from your computer.

Also, we recommend that you restart the computer in Safe Mode in order to save time and identify ransomware-related files and processes much easier. If you need assistance with that, simply click this link and follow the instructions there.

Once the computer has restarted, return to this Hhmm Virus removal guide and complete the following steps:

Enter msconfig in the search bar of the Start menu and open the result. Click on the Startup tab in the System Configurations window and make e a thorough search of the computer’s startup items, looking for anything that doesn’t seem to be connected to any genuine software or activity. Unchecking the checkbox next to a suspicious-looking “Unknown” Manufacturer entry or an entry that you don’t trust will deactivate the entry.


Close the window after you’ve checked that only legitimate apps are running on the Startup tab.



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

Next, you’ll need to go through your computer’s processes one by one and end any that are associated with Hhmm Virus.

Make sure you open the Task Manager by using the CTRL+SHIFT+ESC key combination and then selecting “Processes” form the top.

Search for processes with weird names or processes that use a lot of resources. Right-click on each of them and choose Open File Location if anything catches your eye as suspicious.


You may use the free online virus scanner below to determine whether the files you’re looking at are hazardous or not.

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    These files may need to be removed promptly if they are detected as malicious. You also need to end the process related to them by right-clicking on it and selecting the End Process option.


    In certain cases, a ransomware may alter system files. That’s why, if you’ve been infected with Hhmm Virus, you should follow these instructions:

    Copy this line in the Start menu search bar and press Enter:

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

    A Notepad file named Hosts will open on the screen.  Look for Localhost in the file’s content to see if any suspicious IP addresses have been added below.

    hosts_opt (1)


    If you see anything troubling, like the IPs on the example image above or somethign similar, please copy them in the comments below this post. A member of our team will check them and give you recommendations on what is best to do about them.


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

    If you want to effectively remove Hhmm Virus from your computer, you must thoroughly inspect your system’s registry for dangerous ransomware-related entries, and if you discover any, delete them. 

    Begin by entering Regedit in the Windows search bar and opening the Registry Editor When the Editor has opened, press CTRL + F from the keyboard. 

    You’ll see a Find box on the screen. Use it to search for any registry entries that have the same name as the ransomware. To do that, type the name of the infection, then hit Find Next to start searching.

    Please be cautious while deleting the items that are detected, since you might inadvertently remove anything that isn’t linked to Hhmm Virus.

    After you’ve cleaned up the registry, use the Start menu search bar to run the following commands and see whether anything has been added there.

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

    The ransomware may have added some infected files with strange names in these directories, and deleting them may be necessary. Finally, to get rid of any ransomware-created temporary files, open the Temp folder and select and delete everything stored there.

    How to Decrypt .Hhmm files

    To decrypt .Hhmm files, you can try using a specialized file-decrypting tool that can use pairs of encrypted and original files to reverse-engineer the decryption code. You can download the tool for free and try to decrypt .Hhmm files if you have such file pairs.

    Before you attempt to use the tool for data decryption, however, you need to make sure that the Ransomware threat is gone from your computer and that the system is malware-free. Unless you’ve managed to delete the .Hhmm Ransomware, you shouldn’t attempt to recover any of your files because this may be your only chance of restoring them, and having the virus still in your computer could ruin that chance.

    Once you’ve ensured that your computer is clean and no longer has any malware in it, you can begin with the following steps. Again, note that you will need at least a couple of file pairs that comprise an encrypted file and its accessible original version. To find such original versions of encrypted files, look for any accidental copies of those files that are saved on other devices, on external drives, or on cloud storages.

    1. Open this address.
    2. Select the first Choose File button, find an encrypted file for which you have access to its original version, select it, and click on Open.
    3. Use the second Choose File button to find the original version of the file from the previous step, and open it as well.
    4. Click submit to begin extracting the key. If the key is extracted, you can use it for the decryption of your files. If the program didn’t manage to find a key, try using another pair of files.
    5. If a key is found, visit this page and download the tool available on it.
    6. Right-click the icon of the downloaded tool, click the Run as Administrator option, and provide an Admin approval to open the app.
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    7. Click Agree on the Terms and Conditions screen, and then click OK to continue.
    8. Select a drive or a specific folder where encrypted files are stored and click on Decrypt to start decrypting them. If any files are skipped during the process, this means that the decryption key required to unlock them is different and might even be unknown to the decryptor tool.
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    About the author


    Lidia Howler

    Lidia is a web content creator with years of experience in the cyber-security sector. She helps readers with articles on malware removal and online security. Her strive for simplicity and well-researched information provides users with easy-to-follow It-related tips and step-by-step tutorials.

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