Computers on Focus - Online Security Guide

02:50 am
19 April 2024

Mich78 Virus – How to Restore [[email protected]] Files

This is made to help you remove the Mich78 ransomware virus from your computer and show you how to get back [email protected] encrypted files without having to pay the ransom.

A ransomware virus has been detected by security experts, going by the name of Mich78. The infection aims to encrypt the files on the computers that have been victimized by it and then drop a ransom note, named Instruction for file recovery.txt. In it, the virus demands from victims to pay a so-called ransom in order to restore their documents, audio files, videos and others. If you have become a victim of Mich78 ransomware, read this material carefully.

Threat Name Mich78
Category Ransomware virus.
Main Activity Infects the computer after which encrypts important documents and holds them hostage until a ransom is paid.
Signs of Presence Files are encrypted with the [[email protected]] file extension.
Spread Via malicious e-mail spam and set of infection tools.
Detection+Removal DOWNLOAD REMOVAL TOOL FOR Mich78
File Recovery Download Data Recovery Software, to see how many files encrypted by Mich78 ransomware you will be able to recover.

How Does the Mich78 Virus Work?

This ransomware infection is from the file encryption kind. This means that if infected, Mich78 will encode your files on sight, hence making them unable to be opened and used.

The virus does this by firstly modifying the Windows Registry. This can happen in several different ways. One of those ways is to modify .dll files belonging in the %WINDIR%, related to the operation of the Windows Registry Editor. This may result in adding of registry values to make the malicious executables run on Windows Startup.

When the virus encrypts the files, it looks for types of data that is often used, like videos, MS Office files, Adobe Reader .PDF’s, pictures, music and other often used data.

After this has been done, the virus appends it’s file extension to the encrypted files and their icon has been changed. The encrypted files, look like the following example:

Mich78 ransomware makes it’s presence to be known for the user, adding it’s ransom note for the victim to see. The note asks to contact the cyber-criminals

Users are left with nothing but to wonder what has happened and what they can do about it. They are usually demanted to pay a hefty ransom fee. After encryption, the Mich78 may also execute the “vssadmin delete shadows /all /quiet”.

Mich78 Ransomware also drops it’s ransom note which has the following contents:

Your files are now encrypted!

Your personal ID :

{uniqueID}

What happened?

Your important documents, databases, documents, network folders are encrypted for your PC security problems.
No data from your computer has been stolen or deleted.
Follow the instructions to restore the files.

How to get the automatic decryptor:

1) Contact us by e-mail: [email protected]. In the letter, indicate your personal identifier (look at the beginning of this document)
and the external ip-address of the computer on which the encrypted files are located.
2) After answering your request, our operator will give you further instructions that will show what to do next (the answer you will receive as soon as possible)
** Second email address [email protected]

Free decryption as guarantee!
Before paying you can send us up to 3 files for free decryption.
The total size of files must be less than 10 Mb (non archived), and files should not contain
valuable information (databases, backups, large excel sheets, etc.).

__________________________________________________________________________________________________
| |
| How to obtain Bitcoins? |
| |
| * The easiest way to buy bitcoins is LocalBitcoins site. You have to register, click |
| ‘Buy bitcoins’, and select the seller by payment method and price: |
| https://localbitcoins.com/buy_bitcoins |
| * Also you can find other places to buy Bitcoins and beginners guide here: |
| http://www.coindesk.com/information/how-can-i-buy-bitcoins |
| |
|__________________________________________________________________________________________________|

__________________________________________________________________________________________________
| |
| Attention! |
| |
| * Do not rename encrypted files. |
| * Do not try to decrypt your data using third party software, it may cause permanent data loss. |
| * Decryption of your files with the help of third parties may cause increased price |
| (they add their fee to our) or you can become a victim of a scam. |
| |

Mich78 Virus – How Did I Get Infected

The virus may be delivered via multiple methods, the primary one of which is if spam e-mails are used.

Most spam messages sent out there that may have Mich78 virus as an either malicious attachment or a virus, tend to appear as if they were legitimate mails. This means that they resemble various legitimate vendors, such as PayPal, FedEx and other companies.

The first Mich78 samples were reported sometimes this year. At the moment it is not possible to determine which is the primary method used by the criminal hackers.

We assume that spam email campaigns and infected software installers, updates and games downloaded from malicious or hacked sites and BitTorrent networks are the primary media.

The Mich78 ransomware targets primarily English-speaking users.

What To Do If I am Infected With Mich78 Virus?

In case you feel like not paying any ransom to cyber-criminals that may or may not get your files back, we strongly advise you to firstly remove Mich78 from your computer after which focus on trying to restore your files using alternative methods. For the safest and best removal of Mich78 ransomware experts strongly advise using an advanced anti-malware tool that will automatically take care of all the objectsMich78 has interfered with.

We advise you to carefully follow the below mentioned steps in order to remove Mich78 properly and try to restore as many files as you can without paying the complete ransom to crooks:

Booting in Safe Mode

For Windows:
1) Hold Windows Key and R
2) A run Window will appear, in it type “msconfig” and hit Enter
3) After the Window appears go to the Boot tab and select Safe Boot

Cut out Mich78 in Task Manager

1) Press CTRL+ESC+SHIFT at the same time.
2) Locate the “Processes” tab.
3) Locate the malicious process of Mich78, and end it’s task by right-clicking on it and clicking on “End Process”

Eliminate Mich78‘s Malicious Registries

For most Windows variants:
1) Hold Windows Button and R.
2) In the “Run” box type “Regedit” and hit “Enter”.
3) Hold CTRL+F keys and type Mich78 or the file name of the malicious executable of the virus which is usually located in %AppData%, %Temp%, %Local%, %Roaming% or %SystemDrive%.
4) After having located malicious registry objects, some of which are usually in the Run and RunOnce subkeys delete them ermanently and restart your computer. Here is how to find and delete keys for different versions.
For Windows 7: Open the Start Menu and in the search type and type regedit –> Open it. –> Hold CTRL + F buttons –> Type Mich78 Virus in the search field.
Win 8/10 users: Start Button –> Choose Run –> type regedit –> Hit Enter -> Press CTRL + F buttons. Type Mich78 in the search field.

Automatic Removal of Mich78

DOWNLOAD REMOVAL TOOL FOR Mich78
The free version of SpyHunter will only scan your computer to detect any possible threats. To remove them permanently from your computer, purchase its full version. Spy Hunter malware removal tool additional information/SpyHunter Uninstall Instructions

Recover files encrypted by the Mich78 Ransomware.

Method 1: Using Shadow Explorer. In case you have enabled File history on your Windows Machine one thing you can do is to use Shadow Explorer to get your files back. Unfortunately some ransomware viruses may delete those shadow volume copies with an administrative command to prevent you from doing just that.

Method 2: If you try to decrypt your files using third-party decryption tools. There are many antivirus providers who have decrypted multiple ransomware viruses the last couple of years and posted decryptors for them. Chances are if your ransomware virus uses the same encryption code used by a decryptable virus, you may get the files back. However, this is also not a guarantee, so you might want to try this method with copies of the original encrypted files, because if a third-party program tampers with their encrypted structure, they may be damaged permanently. Here are the vendors to look for:

  • Kaspersky.
  • Emsisoft.
  • TrendMicro.

Method 3: Using Data Recovery tools. This method is suggested by multiple experts in the field. It can be used to scan your hard drive’s sectors and hence scramble the encrypted files anew as if they were deleted. Most ransomware viruses usually delete a file and create an encrypted copy to prevent such programs for restoring the files, but not all are this sophisticated. So you may have a chance of restoring some of your files with this method. Here are several data recovery programs which you can try and restore at least some of your files:

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