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.ANN Files Virus – How to Remove It + Restore Encrypted Data

This article has been created in order to explain what is Ann Ransomware and how to remove it from your computer plus how you can try and get back .ANN encrypted files.

The .ANN files virus is the type of malware which aims to encrypt the files on your computer, preventing you from accessing them. The Ann Ransomware virus, which uses this file extension aims to get victims to write to the e-mails of the cyber-criminals with the idea that they are paid to restore the files in some form. And to further stress the victim, the crooks give a deadline of 7 days to make a payment in their ransom note file, called #README_ANN#.rtf. If you are one of the victims of Ann Ransomware, we recommend that you read this article completely and learn how you can remove this ransomware infection from your computer and how you can try and restore files, encrypted by it.

Threat Summary

Name .ANN Files Virus
Type Ransomware, Cryptovirus
Short Description Aims to encrypt the files on the computers, compromised by it and then make sure to download.
Symptoms The files have the .ANN file extension added to them. The ransomware virus also drops a ransom note type of file, called #README_ANN#.rtf.
Distribution Method Spam Emails, Email Attachments, Executable files
Detection Tool See If Your System Has Been Affected by malware

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Malware Removal Tool

User Experience Join Our Forum to Discuss .ANN Files Virus.
Data Recovery Tool Windows Data Recovery by Stellar Phoenix Notice! This product scans your drive sectors to recover lost files and it may not recover 100% of the encrypted files, but only few of them, depending on the situation and whether or not you have reformatted your drive.

.ANN Files Virus – Spread

In order to infect the computers of users, the .ANN files virus may trick victims into downloading and installing a malicious e-mail attachment on the computers of victims. This attachment’s primary goal is to get users to download and run it. Such e-mail attachments often pretend to be various different documents of importance, like:

  • Invoices.
  • Receipts.
  • Banking statements.
  • Letters of confirmation.

The e-mail senders are also usually well faked, and in most cases they tend to imitate big companies, like eBay, PayPal, DHL and others.

Furthermore, what also seems to be a possible method of replication is that the malware infection file may be uploaded on suspicious software-providing sites or torrent sites as a fake program of some sort. The most often imitated programs of this type usually tend to be:

  • Game patches or game cracks.
  • Software activators.
  • Key generators.
  • Online license activators.
  • Other forms of hacktools.
  • Portable programs.

.ANN Files Virus – More Information

Once an infection with the .ANN files virus has been conducted, the ransomware virus aims to drop it’s payload files on the victim’s computer. The payload files of this virus may be dropped in the following Windows folders:

  • %AppData%
  • %Local%
  • %LocalLow%
  • %Roaming%
  • %Temp%

The .ANN files virus is the type of malware, that may first check if it’s running on a virtual drive or if it has previously infected the victim machine. If not, then the ransomware may proceed to encryption and may display it’s ransom note file. The ransom note file of the .ANN ransomware may contain the following ransom message:

HOW TO RECOVER YOUR FlLES lNSTRUCTlON

ATENTION!!!

We are realy sorry to inform you that ALL YOUR FILES WERE ENCRYPTED

by our automatic software. It became possible because of bad server security.

ATENTION!!!

Please don’t worry, we can help you to RESTORE your server to original

state and decrypt all your files quickly and safely!

INFORMATION!!!

Files are not broken!!!

Files were encrypted with ABS-128+RSA-2048 crypto algorithms.

There is no way to decrypt your files without unique decryption key and special software.

Your unique decryption key is securely stored on our server. For our safety, all

information about your server and your decryption key will be automaticaly DELETED

AFTER 7 DAYS! You will irrevocably lose all your data!

Please note that all the attempts to recover your files by yourself or using third party

tools will result only in irrevocable loss of your data!

Please note that you can recover files only with your unique decryption key, which

stored on our side. If you will use the help of third parties, you will only add a middleman.

HOW TO RECOVER FILES???

Please write us to the e-mail (write on English or use professional translator):

AskHeIp@protonmail.com
AskHeIp@tutanota.com
AskHeIp@india.com

You have to send your message on each of our 3 emails due to the fact that the message may not reach their intended recipient for a variety of reasons!

In subject line write your personal ID:

We recommed you to attach 3 encrypted files to your message. We will demonstrate that we can recover your files.

Please note that files must not contain any valuable information and their total size must be less than 5Mb.

OUR ADVICE!!!

Please be sure that we will find common languge. We will restore all the data and give

you recommedations how to configure the protection of your server.

We will definitely reach an agreement ;I

ALTERNATIVE COMMUNICATION

If you did not receive the answer from the aforecited emails for more then 24 hours please send us

Bitmessages from a web browser through the webpage {URL}. Below is a tutorial on how to send bitmessage via web browser:

1. Open in your browser the link {url} up and make the registration by entering name email and password.

2. You must confirm the registration, return to your email and follow the instructions that were sent to you.

3. Return to site and click “Login” label or use link httpszfibitmsgmefusersfsign in, enter your email and

password and click the “Sign in” button.

4. Click the “Create Random address” button.

5. Click the “New massage” button.

6. Sending message:

To: Enter address: BM-ZcUPmiEDstzWCSZmbtbeJeUNHquERLl

Subject: Enter your ID: I l

Message: Describe what you think necessary.

Click the “Send message” button.

In addition to this, the .ANN files virus may also modify the following registry entries to automatically run the ransom note and the malicious files of this virus. The registry sub-keys in which entries may be created could be the following:

→ HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\Run
HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run
HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\RunOnce
HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\RunOnce

Furthermore, the .ANN ransomware virus may also delete the backed up files by Windows by running a malicious script which directly deletes the shadow volume copies of your PC by entering commands as an administrator in the Windows Command Prompt. The commands may be the following:

→ sc stop VVS
sc stop wscsvc
sc stop WinDefend
sc stop wuauserv
sc stop BITS
sc stop ERSvc
sc stop WerSvc
cmd.exe /C bcdedit /set {default} recoveryenabled No
cmd.exe /C bcdedit /set {default} bootstatuspolicy ignoreallfailures
C:\Windows\System32\cmd.exe” /C vssadmin.exe Delete Shadows /All /Quiet

.ANN Files Virus – Encryption Process

In order to encrypt the files on your computer, the .ANN files virus is the type of malware which will first scan for the files it want to encrypt, while excluding important Windows directories, like %System% or %System32%. The files that Ann ransomware may detect based on their file extensions likely are the following:

  • Documents.
  • Videos.
  • Pictures and any form of image files.
  • Backup file format.
  • Online signatures.
  • Databases.
  • Archives.
  • Audio files.
  • Virtual operating systems.

The ransomware supposedly encrypts the files by using the combination of the following two algorithms:

  • AES-128
  • RSA-2048

After the encryption, unique decryption key that is also encrypted itself is generated and the only ones with access seem to be the cyber-criminals. The files have the .ANN file extension and they appear like the following:

Remove .ANN Files Virus and Restore .ANN Encrypted Files

If you want to make sure that this virus Is eliminated from your computer, you can go ahead and follow the removal instructions underneath this article. These instructions are divided in manual and automatic removal methods. Be advised, that for maximum effectiveness and a safe removal, security experts strongly recommend that users download and run a scan, using an advanced anti-malware program. Such software is created to fully remove all traces of Ann Ransomware and other malware that may currently reside on your PC and then make sure that it stays protected against future infections as well.

If you want to recover files, that are encrypted with the .ANN file extension added to them, we do advise that you follow the instructions underneath this article in step “2. Restore files, encrypted by Ann Ransomware”. The methods there may not be fully effective against this ransomware virus, but they may help you recover as many files as possible via these alternative approaches.

Ventsislav Krastev

Ventsislav is a cybersecurity expert at SensorsTechForum since 2015. He has been researching, covering, helping victims with the latest malware infections plus testing and reviewing software and the newest tech developments. Having graduated Marketing as well, Ventsislav also has passion for learning new shifts and innovations in cybersecurity that become game changers. After studying Value Chain Management, Network Administration and Computer Administration of System Applications, he found his true calling within the cybersecrurity industry and is a strong believer in the education of every user towards online safety and security.

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  • Step 1
  • Step 2
  • Step 3
  • Step 4
  • Step 5

Step 1: Scan for .ANN Files Virus with SpyHunter Anti-Malware Tool

1. Click on the "Download" button to proceed to SpyHunter's download page.


It is recommended to run a scan before purchasing the full version of the software to make sure that the current version of the malware can be detected by SpyHunter. Click on the corresponding links to check SpyHunter's EULA, Privacy Policy and Threat Assessment Criteria.


2. After you have installed SpyHunter, wait for it to update automatically.

scan for and delete ransomware virus step 2


3. After the update process has finished, click on the 'Malware/PC Scan' tab. A new window will appear. Click on 'Start Scan'.

scan for and delete ransomware virus step 3


4. After SpyHunter has finished scanning your PC for any files of the associated threat and found them, you can try to get them removed automatically and permanently by clicking on the 'Next' button.

scan for and delete ransomware virus step 4

If any threats have been removed, it is highly recommended to restart your PC.

Ransomware Automatic Removal - Video Guide

Step 2: Uninstall .ANN Files Virus and related malware from Windows

Here is a method in few easy steps that should be able to uninstall most programs. No matter if you are using Windows 10, 8, 7, Vista or XP, those steps will get the job done. Dragging the program or its folder to the recycle bin can be a very bad decision. If you do that, bits and pieces of the program are left behind, and that can lead to unstable work of your PC, errors with the file type associations and other unpleasant activities. The proper way to get a program off your computer is to Uninstall it. To do that:


1. Hold the Windows Logo Button and "R" on your keyboard. A Pop-up window will appear.
delete ransomware from windows step 1


2. In the field type in "appwiz.cpl" and press ENTER.
delete ransomware from windows step 2


3. This will open a window with all the programs installed on the PC. Select the program that you want to remove, and press "Uninstall"
delete ransomware from windows step 3Follow the instructions above and you will successfully delete most unwanted and malicious programs.


Step 3: Clean any registries, created by .ANN Files Virus on your computer.

The usually targeted registries of Windows machines are the following:

  • HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\Run
  • HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run
  • HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\RunOnce
  • HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\RunOnce

You can access them by opening the Windows registry editor and deleting any values, created by .ANN Files Virus there. This can happen by following the steps underneath:

1. Open the Run Window again, type "regedit" and click OK.
delete ransomware virus registries step 1


2. When you open it, you can freely navigate to the Run and RunOnce keys, whose locations are shown above.
delete ransomware virus registries step 2


3. You can remove the value of the virus by right-clicking on it and removing it.
delete ransomware virus registries step 3 Tip: To find a virus-created value, you can right-click on it and click "Modify" to see which file it is set to run. If this is the virus file location, remove the value.

IMPORTANT!
Before starting "Step 4", please boot back into Normal mode, in case you are currently in Safe Mode.
This will enable you to install and use SpyHunter 5 successfully.

Step 4: Boot Your PC In Safe Mode to isolate and remove .ANN Files Virus

OFFER

Manual Removal Usually Takes Time and You Risk Damaging Your Files If Not Careful!
We Recommend To Scan Your PC with SpyHunter

Keep in mind, that SpyHunter’s scanner is only for malware detection. If SpyHunter detects malware on your PC, you will need to purchase SpyHunter's malware removal tool to remove the malware threats. Read our SpyHunter 5 review. Click on the corresponding links to check SpyHunter's EULA, Privacy Policy and Threat Assessment Criteria

1. Hold Windows Key + R.
remove ransomware in safe mode step 1


2. The "Run" Window will appear. In it, type "msconfig" and click OK.
remove ransomware in safe mode step 2


3. Go to the "Boot" tab. There select "Safe Boot" and then click "Apply" and "OK".
remove ransomware in safe mode step 3
Tip: Make sure to reverse those changes by unticking Safe Boot after that, because your system will always boot in Safe Boot from now on.


4. When prompted, click on "Restart" to go into Safe Mode.
remove ransomware in safe mode step 4


5. You can recognise Safe Mode by the words written on the corners of your screen.
remove ransomware in safe mode step 5


Step 5: Try to Restore Files Encrypted by .ANN Files Virus.

Method 1: Use STOP Decrypter by Emsisoft.

Not all variants of this ransomware can be decrypted for free, but we have added the decryptor used by researchers that is often updated with the variants which become eventually decrypted. You can try and decrypt your files using the instructions below, but if they do not work, then unfortunately your variant of the ransomware virus is not decryptable.

Follow the instructions below to use the Emsisoft decrypter and decrypt your files for free. You can download the Emsisoft decryption tool linked here and then follow the steps provided below:

1 Right-click on the decrypter and click on Run as Administrator as shown below:

stop ransomware decryptor step 1

2. Agree with the license terms:

stop ransomware decryptor step 2

3. Click on "Add Folder" and then add the folders where you want files decrypted as shown underneath:

stop ransomware decryptor step 3

4. Click on "Decrypt" and wait for your files to be decoded.

stop ransomware decryptor step 4

Note: Credit for the decryptor goes to Emsisoft researchers who have made the breakthrough with this virus.

Method 2: Use data recovery software

Ransomware infections and .ANN Files Virus aim to encrypt your files using an encryption algorithm which may be very difficult to decrypt. This is why we have suggested a data recovery method that may help you go around direct decryption and try to restore your files. Bear in mind that this method may not be 100% effective but may also help you a little or a lot in different situations.

1. Download the recommended Data Recovery software by clicking on the link underneath:

Simply click on the link and on the website menus on the top, choose Data Recovery - Data Recovery Wizard for Windows or Mac (depending on your OS), and then download and run the tool.


.ANN Files Virus-FAQ

What is .ANN Files Virus Ransomware?

.ANN Files Virus is a ransomware infection - the malicious software that enters your computer silently and blocks either access to the computer itself or encrypt your files. 

Many ransomware viruses use sophisticated encryption algorithms to make your files inaccessible. The goal of ransomware infections is to demand that you pay a ransom payment to get access to your files back.

What Does .ANN Files Virus Ransomware Do?

Ransomware in general is a malicious software that is designed to block access to your computer or files until a ransom is paid.

Ransomware viruses can also damage your system, corrupt data and delete files, resulting in the permanent loss of important files.

How Does .ANN Files Virus Infect?

Via several ways..ANN Files Virus Ransomware infects computers by being sent via phishing emails, containing virus attachment. This attachment is usually masked as an important document, like an invoice, bank document or even a plane ticket and it looks very convincing to users.

Another way you may become a victim of .ANN Files Virus is if you download a fake installer, crack or patch from a low reputation website or if you click on a virus link. Many users report getting a ransomware infection by downloading torrents.

How to Open ..ANN Files Virus files?

You can't without a decryptor. At this point, the ..ANN Files Virus files are encrypted. You can only open them once they are decrypted using a specific decryption key for the particular algorithm.

What to Do If a Decryptor Does Not Work?

Do not panic, and backup the files. If a decryptor did not decrypt your ..ANN Files Virus files successfully, then do not despair, because this virus is still new.

Can I Restore "..ANN Files Virus" Files?

Yes, sometimes files can be restored. We have suggested several file recovery methods that could work if you want to restore ..ANN Files Virus files. 

These methods are in no way 100% guaranteed that you will be able to get your files back. But if you have a backup, your chances of success are much greater.

How To Get Rid of .ANN Files Virus Virus?

The safest way and the most efficient one for the removal of this ransomware infection is the use a professional anti-malware program.

It will scan for and locate .ANN Files Virus ransomware and then remove it without causing any additional harm to your important ..ANN Files Virus files.

Can I Report Ransomware to Authorities?

In case your computer got infected with a ransomware infection, you can report it to the local Police departments. It can help authorities worldwide track and determine the perpetrators behind the virus that has infected your computer.

Below, we have prepared a list with government websites, where you can file a report in case you are a victim of a cybercrime:

Cyber-security authorities, responsible for handling ransomware attack reports in different regions all over the world:

Germany - Offizielles Portal der deutschen Polizei

United States - IC3 Internet Crime Complaint Centre

United Kingdom - Action Fraud Police

France - Ministère de l'Intérieur

Italy - Polizia Di Stato

Spain - Policía Nacional

Netherlands - Politie

Poland - Policja

Portugal - Polícia Judiciária

Greece - Cyber Crime Unit (Hellenic Police)

India - Mumbai Police - CyberCrime Investigation Cell

Australia - Australian High Tech Crime Center

Reports may be responded to in different timeframes, depending on your local authorities.

Can You Stop Ransomware from Encrypting Your Files?

Yes, you can prevent ransomware. The best way to do this is to ensure your computer system is updated with the latest security patches, use a reputable anti-malware program and firewall, backup your important files frequently, and avoid clicking on malicious links or downloading unknown files.

Can .ANN Files Virus Ransomware Steal Your Data?

Yes, in most cases ransomware will steal your information. It is a form of malware that steals data from a user's computer, encrypts it, and then demands a ransom in order to decrypt it.

In many cases, the malware authors or attackers will threaten to delete the data or publish it online unless the ransom is paid.

Can Ransomware Infect WiFi?

Yes, ransomware can infect WiFi networks, as malicious actors can use it to gain control of the network, steal confidential data, and lock out users. If a ransomware attack is successful, it could lead to a loss of service and/or data, and in some cases, financial losses.

Should I Pay Ransomware?

No, you should not pay ransomware extortionists. Paying them only encourages criminals and does not guarantee that the files or data will be restored. The better approach is to have a secure backup of important data and be vigilant about security in the first place.

What Happens If I Don't Pay Ransom?

If you don't pay the ransom, the hackers may still have access to your computer, data, or files and may continue to threaten to expose or delete them, or even use them to commit cybercrimes. In some cases, they may even continue to demand additional ransom payments.

Can a Ransomware Attack Be Detected?

Yes, ransomware can be detected. Anti-malware software and other advanced security tools can detect ransomware and alert the user when it is present on a machine.

It is important to stay up-to-date on the latest security measures and to keep security software updated to ensure ransomware can be detected and prevented.

Do Ransomware Criminals Get Caught?

Yes, ransomware criminals do get caught. Law enforcement agencies, such as the FBI, Interpol and others have been successful in tracking down and prosecuting ransomware criminals in the US and other countries. As ransomware threats continue to increase, so does the enforcement activity.

About the .ANN Files Virus Research

The content we publish on SensorsTechForum.com, this .ANN Files Virus how-to removal guide included, is the outcome of extensive research, hard work and our team’s devotion to help you remove the specific malware and restore your encrypted files.


How did we conduct the research on this ransomware?

Our research is based on an independent investigation. We are in contact with independent security researchers, and as such, we receive daily updates on the latest malware and ransomware definitions.

Furthermore, the research behind the .ANN Files Virus ransomware threat is backed with VirusTotal and the NoMoreRansom project.

To better understand the ransomware threat, please refer to the following articles which provide knowledgeable details.


As a site that has been dedicated to providing free removal instructions for ransomware and malware since 2014, SensorsTechForum’s recommendation is to only pay attention to trustworthy sources.

How to recognize trustworthy sources:

  • Always check "About Us" web page.
  • Profile of the content creator.
  • Make sure that real people are behind the site and not fake names and profiles.
  • Verify Facebook, LinkedIn and Twitter personal profiles.

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