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Remove FileSlack ransomware (Free Instructions) - Bonus: Decryption Steps

removal by Linas Kiguolis - - | Type: Ransomware

FileSlack ransomware is a file locking cyber threat which announces about secret encryption via a short ransom message

FileSlack ransomware

FileSlack ransomware is a file-encrypting virus which uses unique cryptography[1] to block various files on the infected computer. This cryptovirus first was discovered by a cybersecurity researcher named Michael Gillespie.[2] It uses sneaky distributing techniques as crooks are very likely to inject hazardous payload almost anywhere (especially, spam email messages). Furthermore, after the infiltration process, FileSlack virus encrypts all data found and adds the .FileSlack appendix to each locked file. Later on, the ransomware virus displays a short message which urges to make contact with the cybercriminals and, supposedly, discuss all matters related to the price which needs to be paid in order to restore encrypted files. The Readme_Restore_Files.txt message provides two email addresses: gomer@horsefucker.org, gomersimpson@keemail.me.

Name FileSlack 
Category Ransomware
Founder Michael Gillespie
Appendix .FileSlack
Message name Readme_Restore_Files.txt
Given emails gomer@horsefucker.org, gomersimpson@keemail.me.
Most popular distribution source Email spam
Detection possibilities Reimage can detect malicious payload

The entire FileSlack ransomware ransom message looks like this:

All your files are encrypted
Do not try modify files
My email gomer@horsefucker.org, gomersimpson@keemail.me

Usually, cybercriminals who spread ransomware urge their victims not to try to decrypt or do anything else with the encrypted files, otherwise, they might be permanently lost. FileSlack ransomware is not an exception also. Crooks write “Do not try modify files” in order to threaten their victims and provide “the only chance” of recovering files – by paying a particular price and receiving the decryption key. 

However, we suggest not believing in these people as they often write and tell lies for their own benefits. What you should do is remove FileSlack virus from your computer system permanently. Use a program such as Reimage to make sure that you detect all harmful content that might be injected into different locations of the system. Additionally, refresh the machine after the process is completed.

FileSlack ransomware removal is a complicated job to perform. That is why you should not try eliminating the cyber threat on your own. If you do try, you might bring only more harm to your computer and damage the system permanently. Rather than trying to eliminate the virus manually, you should lean on professional automatical computer software. For further protection on the future, we recommend storing all important data on some type of external device or server, e.g. USB.

Even though crooks use unique algorithms such as AES, RSA, and SHA to encrypt files on the targeted system, and store both encryption and decryption keys on remote servers, this does not mean you cannot restore some of your files by using other tools that are created for data recovery purposes. If you want to try to recover some files that were locked by FileSlack ransomware, you can take a look at some methods that we have provided below the article. 

Additionally, you need to get rid of FileSlack ransomware as soon as possible as this ransomware virus might bring unwanted consequences to your computer. For example, some of these threats are capable of erasing Shadow Volume Copies permanently, injecting other malware such as Trojan horses,[3] making the system vulnerable for various issues and infections, etc. Do not wait until the ransomware makes unwanted changes to your computer.

FileSlack virus
FileSlack virus - ransomware which adds the .FileSlack extension to each encrypted document

Email spam is the main ransomware distribution source

According to cybersecurity experts from Virusai.lt,[4] ransomware infections are very likely to distribute almost anywhere throughout the Internet sphere. However, the most popular ransomware spreading source is email spam and their rogue attachment such as executable which often carry infected content that is the ransomware virus payload.

Be careful while opening suspicious-looking emails, otherwise, you might launch the harmful content straight into your computer system. If such thing happens, the ransomware virus might perform unwanted changes on your computer which might be very hard to reverse. So, better do not open any messages which look questionable to you.

Furthermore, ransomware can also be found on unprotected websites and their hyperlinks. If you like visiting third-party websites, make sure that you have an antivirus program downloaded on your computer as this tool is capable of detecting rogue and harmful content in the system. However, the best for your computer would be to close all suspicious sites that you have entered and never return to them again.

FileSlack ransomware removal should be performed with reputable tools only

You can remove FileSlack virus by using automatical computer tools only. The manual elimination technique is not a possibility for this case as it might bring only more harm and misunderstandings to your computer. Furthermore, we suggest downloading and installing an anti-malware program such as Reimage, SpyHunter 5Combo Cleaner, or Malwarebytes to detect all ransomware-related content in your computer system.

FileSlack ransomware removal needs to be performed if you want to recover data that was encrypted by the ransomware virus. Note that, if you do not permanently delete the cyber threat, you will not be able to get rid of its activities and the encryption process will return again. So, eliminate the dangerous virus properly before you proceed with data recovery steps.

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Compatible with Microsoft Windows Supported versions Compatible with OS X Supported versions
What to do if failed?
If you failed to remove virus damage using Reimage, submit a question to our support team and provide as much details as possible.
Reimage is recommended to remove virus damage. Free scanner allows you to check whether your PC is infected or not. If you need to remove malware, you have to purchase the licensed version of Reimage malware removal tool.
Alternative Software
Different security software includes different virus database. If you didn’t succeed in finding malware with Reimage, try running alternative scan with SpyHunter 5.
Alternative Software
Different security software includes different virus database. If you didn’t succeed in finding malware with Reimage, try running alternative scan with Combo Cleaner.

To remove FileSlack virus, follow these steps:

Remove FileSlack using Safe Mode with Networking

By using the Safe Mode with Networking function you might be able to deactivate the ransomware virus and stop all malicious activities that the cyber threat is performing:

  • Step 1: Reboot your computer to Safe Mode with Networking

    Windows 7 / Vista / XP
    1. Click Start Shutdown Restart OK.
    2. When your computer becomes active, start pressing F8 multiple times until you see the Advanced Boot Options window.
    3. Select Safe Mode with Networking from the list Select 'Safe Mode with Networking'

    Windows 10 / Windows 8
    1. Press the Power button at the Windows login screen. Now press and hold Shift, which is on your keyboard, and click Restart..
    2. Now select Troubleshoot Advanced options Startup Settings and finally press Restart.
    3. Once your computer becomes active, select Enable Safe Mode with Networking in Startup Settings window. Select 'Enable Safe Mode with Networking'
  • Step 2: Remove FileSlack

    Log in to your infected account and start the browser. Download Reimage or other legitimate anti-spyware program. Update it before a full system scan and remove malicious files that belong to your ransomware and complete FileSlack removal.

If your ransomware is blocking Safe Mode with Networking, try further method.

Remove FileSlack using System Restore

Turn on the System Restore feature to disable the ransomware infection in your computer system. If instructions are needed, look for them below:

  • Step 1: Reboot your computer to Safe Mode with Command Prompt

    Windows 7 / Vista / XP
    1. Click Start Shutdown Restart OK.
    2. When your computer becomes active, start pressing F8 multiple times until you see the Advanced Boot Options window.
    3. Select Command Prompt from the list Select 'Safe Mode with Command Prompt'

    Windows 10 / Windows 8
    1. Press the Power button at the Windows login screen. Now press and hold Shift, which is on your keyboard, and click Restart..
    2. Now select Troubleshoot Advanced options Startup Settings and finally press Restart.
    3. Once your computer becomes active, select Enable Safe Mode with Command Prompt in Startup Settings window. Select 'Enable Safe Mode with Command Prompt'
  • Step 2: Restore your system files and settings
    1. Once the Command Prompt window shows up, enter cd restore and click Enter. Enter 'cd restore' without quotes and press 'Enter'
    2. Now type rstrui.exe and press Enter again.. Enter 'rstrui.exe' without quotes and press 'Enter'
    3. When a new window shows up, click Next and select your restore point that is prior the infiltration of FileSlack. After doing that, click Next. When 'System Restore' window shows up, select 'Next' Select your restore point and click 'Next'
    4. Now click Yes to start system restore. Click 'Yes' and start system restore
    Once you restore your system to a previous date, download and scan your computer with Reimage and make sure that FileSlack removal is performed successfully.

Bonus: Recover your data

Guide which is presented above is supposed to help you remove FileSlack from your computer. To recover your encrypted files, we recommend using a detailed guide prepared by 2-spyware.com security experts.

The .FileSlack extension signifies that the FileSlack ransomware has somehow managed to invade your Windows computer system. If you want to recover some of your encrypted documents, you can try our below-provided file restoring methods.

If your files are encrypted by FileSlack, you can use several methods to restore them:

Use the Data Recovery Pro tool to unlock some of your files:

Try this method if you want to recover some data that was locked or corrupted. Make sure that you perform each step exactly as shown in the guide, otherwise, you might not succeed.

  • Download Data Recovery Pro;
  • Follow the steps of Data Recovery Setup and install the program on your computer;
  • Launch it and scan your computer for files encrypted by FileSlack ransomware;
  • Restore them.

The Windows Previous Versions feature can be helpful for you:

Recovering files might be easy and successful with this tool. However, note that, if you did not enable the System Restore feature, this technique might not work.

  • Find an encrypted file you need to restore and right-click on it;
  • Select “Properties” and go to “Previous versions” tab;
  • Here, check each of available copies of the file in “Folder versions”. You should select the version you want to recover and click “Restore”.

Shadow Explorer is a data recovery tool also:

If the ransomware virus did not eliminate Shadow Copies of your files, you can give this method a try.

  • Download Shadow Explorer (http://shadowexplorer.com/);
  • Follow a Shadow Explorer Setup Wizard and install this application on your computer;
  • Launch the program and go through the drop down menu on the top left corner to select the disk of your encrypted data. Check what folders are there;
  • Right-click on the folder you want to restore and select “Export”. You can also select where you want it to be stored.

There is no official FileSlack ransomware decryptor discovered yet.

Finally, you should always think about the protection of crypto-ransomwares. In order to protect your computer from FileSlack and other ransomwares, use a reputable anti-spyware, such as Reimage, SpyHunter 5Combo Cleaner or Malwarebytes

About the author

Linas Kiguolis
Linas Kiguolis - Expert in social media

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