Ransomware

7j45q virus (.7j45q file) ransomware Removal, Decrypt files

7j45q is a nasty file-encrypting malware. It is a ransomware program that renders files useless on an infected PC. It generates ransom note “Bdfn_HOW_TO_DECRYPT.txt” upon successful encryption of files. This virus is programmed to extort money from victims as payment for the decryption tool..

While encrypting files, it appends victims’ unique ID and the “.7j45q” extension to the original filenames. For example, after encryption, a file originally named as “photo.jpg” will get converted into “photo.jpg.6k7Etw09aU4W0je_sYykVH44YWlrb9CySLdx5c04Ypv_LgAAAC4AAAA0.7j45q”, and so on. This renamed file is an encrypted version of the original file and cannot be accessed without the decryption key.

SpyHunter 5 Anti-Malware

Threats like 7j45q Virus keep getting back on PC if all associated files are not removed. So you are advised to use a powerful Malware Removal Tool to run a thorough scan of your PC and delete all threats at once.

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Compatible with: Windows XP/Vista/7/8/10 (32-bit and 64-bit)

What is 7j45q ransomware?

7j45q is a data locker virus programmed to force users into paying ransom money. This threat encrypts all your personal files (documents, images, videos, audios, database, backup, etc.) with a very powerful algorithm. You can find a ransom note on your system asking you to contact cybercriminals and purchase the decryption tool.

The ransom message will instruct you that there is no other way to recover your files. It might also instruct you not to ask for help. You will be asked to contact the makers of this 7j45q virus via email and pay for the decryption. Other threats of leaking your data or deleting your files permanently can also be made.

7j45q Virus Removal

Typically, it is impossible to decrypt files without the decoder key. This means you asking for help from cybercriminals. But they will charge you a huge sum of money through cryptocurrency. You cannot track who got your money once you pay.

What to do after infection?

You should remove this 7j45q virus immediately to prevent further encryption of data. It is very important to remove the ransomware if you hope to recover your files. Removal of this will not restore your encrypted files, but you can recover your data through backup.

If your backup files are also on your computer then they might have also been encrypted. It is advised to keep a backup of all your important files on an external hard drive, USB drive, or cloud drive to avoid major data loss.

In case if your backup files are encrypted or you don’t have any backup files at all then use professional data recovery software. They might be able to scratch up most of your files with the original extension.

How did ransomware infect my computer?

Ransomware threats like 7j45q and other malware are mostly spread through spam emails campaigns. Cybercriminals use automated software to send loads of fake emails. They might seem legitimate but they can carry malicious file attachments and links. Opening those emails, downloading files, or clicking such links can trigger the download of malware on your PC.

Untrustworthy freeware download websites, Peer-to-Peer (P2P) sharing networks, and porn or torrent sites and also spread threats. Cracked software or illegal activation tools, fake updates, and patches for games are also used for malware distribution.

Third-party installers also install some unwanted applications on the system that can make your PC vulnerable. Tons of unwanted ads causing frequent browser redirection is a sign of trouble. Your browser could land on a website carrying malware ready to execute on a single visit.

7j45q Ransomware: Threat Analysis

Name 7j45q
Type Ransomware, File-Encrypting virus
Extension .7j45q
Threat Level High (Encrypt all your data and Restrict access to your files).
Symptoms Victims cannot access any files on their PC and find Ransom notes asking for money.
Damage 7j45q will  encrypt your data by adding its extension to file names and demand ransom money for the decryption key
Distribution It is mainly distributed through spam emails, bundled freeware, porn, or torrent sites.
Removal Download SpyHunter 5 Anti-Malware
File Recovery Download Data Recovery Software

Do not pay the Ransom Money

It is advised that you do not contact cybercriminals at any cost. It is highly likely that they will cheat your money. All your files are already encrypted, do not risk your money too. It is not certain that you will get your files back after paying.

Many claims have been made by ransomware victims’ that they did not get the decryption tool after paying. Cybercriminals stop all communications after getting paid. It is best to buy a powerful Anti-Malware program to completely remove this 7j45q virus. Also, try professional data recovery tools to recover your files.

Once you pay the ransom amount to buy the decryption tool, you cannot get a refund if it doesn’t work. Moreover, creators of this virus can also target your files in the future for more money. Put an end to this extortion at once by removing this virus.

Ransom note “Bdfn_HOW_TO_DECRYPT.txt” contains the following instructions :

Your network has been breached and all data were encrypted.
Personal data, financial reports and important documents are ready to disclose.

To decrypt all the data and to prevent exfiltrated files to be disclosed at
hxxp://hiveleakdbtnp76ulyhi52eag6c6tyc3xw7ez7iqy6wc34gd2nekazyd.onion/
you will need to purchase our decryption software.

Please contact our sales department at:

   hxxp://hivecust6vhekztbqgdnkks64ucehqacge3dij3gyrrpdp57zoq3ooqd.onion/
 
      Login:    -
      Password: -

To get an access to .onion websites download and install Tor Browser at:
   hxxps://www.torproject.org/ (Tor Browser is not related to us)

Follow the guidelines below to avoid losing your data:

 - Do not modify, rename or delete *.key.7j45q files. Your data will be
   undecryptable.
 - Do not modify or rename encrypted files. You will lose them.
 - Do not report to the Police, FBI, etc. They don't care about your business.
   They simply won't allow you to pay. As a result you will lose everything.
 - Do not hire a recovery company. They can't decrypt without the key.
   They also don't care about your business. They believe that they are
   good negotiators, but it is not. They usually fail. So speak for yourself.
 - Do not reject to purchase. Exfiltrated files will be publicly disclosed.

How To Remove 7j45q Virus

7j45q File Virus is a harmful and notorious threat. It will keep creating new problems on your PC, so it is very important to delete this malware permanently. When this kind of malware invades your system, it may also bring other threats to the victimized system. It can do major damage to your computer in a very quick time. It may have already spread its copies at different locations on your system. Files related to this infection can have different names, so it will make it harder to detect.

We are going to discuss two possible ways to remove 7j45q Virus infection 1. Automatic Removal, 2. Manual Removal method. It’s better to have a complete diagnosis on the infected PC so that all the potential infections can easily be found and removed at once. You must clean your system properly and remove all the core files related to 7j45q Ransomware. The Automatic Removal process is fast, precise, and error-free. However, the Manual Removal process is time-consuming and a slight mistake can corrupt the entire system. We advised you to take the help of both methods to completely eliminate the virus from your PC.

Automatic 7j45q Virus Removal Guide

As you already know that, 7j45q Virus is a notorious and cunning malware. It is quite hard to remove through manual means. This virus can create various files and shortcuts or modify system settings. It can keep coming back on your computer using them. Removing all those at once is the only way to get rid of this infection. It will also ensure that this virus cannot sneak into your system ever again.

Remove 7j45q virus effectively with a powerful Automatic Removal Tool. It will save you lots of time and effort. It can detect and remove all hidden threats like Trojan, Ransomware, Worms, Spyware, Rootkits, etc. You will also get 24X7 customer support and one-on-one Spyware HelpDesk support. Advanced System Guard feature detects and removes threats in real-time. It has a very User-Friendly Interface and regular Malware updates make it most effective against the latest malware attacks.

How SpyHunter 5 Anti-Malware Works

  • First, you need to click on the below download button to get the software.

Geek’s Recommendation

Some time threats like 7j45q Virus keep getting back on the machine if all associated files are not removed. You should use a powerful Malware Removal Tool to run a thorough scan of your PC and delete all threats at once.

SpyHunter 5 Anti-Malware offers a 15-day fully-functional Free Trial. Credit card required, NO charge upfront. No charge if you cancel during the trial period. Read SpyHunter 5 Review, EULA and Privacy Policy
  • Then double-click on the installer you downloaded to install the program.
double clickAllow access
  • Launch Anti-Malware application and Start Scan Now of your PC.
Scan for 7j45q
  • The software will scan your PC for all hidden threats and viruses on your system.
Scan for 7j45q
  • Click on the Next button to see results and delete 7j45q and other threats.
Remove 7j45q

How To Recover .7j45q Files

After removing .7j45q Virus, you need to recover your data. If your files are important then you must have created a backup. If yes, then you can use that backup to recover your files. In case you don’t have a backup or this virus has encrypted your backup files, then you are left to seek professional help.

At this point, there is no 7j45q ransomware decryption tool available. We recommend you use powerful data recovery software to decrypt .7j45q Files. It is a risk-free and smart way. You can just download the free version and scan your PC for files. There is a high probability that it can recover most of your files. It is also needless to say that paying the ransom will only motivate cybercriminals to carry out more attacks.

  • First, you need to download Data Recovery software on your PC.

Download Data Recovery Software

  • Install the program, launch it then select the Data type to recover, and click the Next button.
select Data type
  • Select the location from where you want to recover data and click the Scan button.
Select location
  • After the scan, software will list all files, select them and click the Recover button.
Recover 7j45q encrypted files

Manual 7j45q Removal Guide

tip Before you start Manual Removal
Please Bookmark This Page by pressing the {ctrl+D} button or print it out on paper before you start the Manual Removal because you may need to restart your PC or browser.) Attention! For the safety of your system, please confirm a few things before you begin 7j45q Ransomware Removal:
  1. You have done this before, which means you have experience in removing the virus manually;
  2. That you know your way around PC and  all necessary processes and applications;
  3. You know about Registry entry and the Serious repercussions of any mistake;
  4. Make sure you can reverse any mistake made during .7j45q Virus removal.

If you don’t attain any of the above standards, then manual removal could be a very risky idea. It is most likely best for you to use the 7j45q Ransomware Removal Tool which is totally secure and efficient method.

SpyHunter 5 Anti-Malware offers a 15-day fully-functional Free Trial. Credit card required, NO charge upfront. No charge if you cancel during the trial period. Read SpyHunter 5 Review, EULA and Privacy Policy

Start PC in safe mode with networking

  • Press Windows & I keys together on keyboard to open Settings page and select Recovery option.
Recovery option
  • Now from the Advance settings option, click on Restart Now button.
Advanced startup
  • Select the Troubleshoot option from the list.
Troubleshoot
  • Click on Advanced Options from the Troubleshoot menu.
Advanced Options
  • Now click on Startup Settings from the Advanced options.
Startup Settings
  • Click on the Restart button on this page now.
Restart
  • Finally, press button 5 to start your PC in Safe Mode.
5
  • Click on the Start button and then press the Power button.
win10 start button
  • Now hold the Shift key and then click the Restart option.
win10 restart
  • Select the Troubleshoot option from the list.
Troubleshoot
  • Click on Advanced Options from the Troubleshoot menu.
Advanced Options
  • Now click on Startup Settings from the Advanced options.
Startup Settings
  • Click on the Restart button on this page now.
Restart
  • Finally, press button 5 to start your PC in Safe Mode.
5
  • Press Windows & C buttons on your keyboard then click on the Settings option.
Windows 8 settings
  • Hold down the Shift key then click on the Restart button from the Power option.
Windows 8 restart
  • Select the Troubleshoot option from the list.
Troubleshoot
  • Click on Advanced Options from the Troubleshoot menu.
Advanced Options
  • Now click on Startup Settings from the Advanced options.
Startup Settings
  • Click on the Restart button on this page now.
Restart
  • Finally, press button 5 to start your PC in Safe Mode.
5
  • Click on the Restart button then wait for Windows to load and start pressing F8 button before the Windows splash screen shows.
Press F8 button
  • Soon you will see the Advanced Boot option on your screen. Use arrow keys to select Safe Mode with Networking option.
safe mode with networking
  • Finally, press the ENTER button to load your Windows in safe mode.
  • Press Windows Key + R buttons together on the keyboard.
  • Type msconfig in the Run Box then click the OK button.
  • Click on the Boot tab then the System configuration window will appear.
  • Choose Safe Boot, check the network box, Click Apply, and press the OK button.
Safe boot

End Process From Task Manager

  • Press Windows Key + R buttons together on the keyboard.
  • Type taskmgr in Run Box and then click the OK button.
  • Find any 7j45q Virus related process.
  • Now right-click on it then click End process.
Stop 7j45q related task

Uninstall 7j45q from Windows PC

  • Right-click on Start or Windows button and select Apps and Features option.
Windows 11 Apps and Features
  • Find 7j45q or other harmful programs, click on three dots icon, and press Uninstall button.
Uninstall 7j45q from Windows 11
  • Click on the Start or Windows button and click on Settings option.
Windows 10 settings
  • Click on the Apps option from Windows 10 settings page.
Windows 10 apps
  • Find 7j45q or other harmful programs, then click on Uninstall option.
Uninstall 7j45q From Windows 10
  • First of all Press Windows Key + R buttons together.
win + R button
  • Type appwiz.cpl in the Run Box and then click OK button to open Programs and Features windows.
appwiz.cpl
  • Find and remove 7j45q or other harmful programs.
Uninstall 7j45q from Windows 8
  • Click on the Start or Windows button and select Control Panel option.
Windows 7 Control Panel
  • Click on Uninstall A Program option under the Programs section.
Windows 7 Programs option
  • Find 7j45q or other harmful programs and click on uninstall option.
Uninstall 7j45q from Windows 7
Warning: Do not play with Windows registry, host file of restore options if you don’t have previous experience with. Removing wrong files may break your system entirely. So if you are not sure, then stick to the Automatic Malware Removal option. SpyHunter 5 Anti-Malware offers a 15-day fully-functional Free Trial. Credit card required, NO charge upfront. No charge if you cancel during the trial period. Read SpyHunter 5 Review, EULA and Privacy Policy

Remove Virus related IP address from Hosts Files

  • Press Windows Key + R buttons together on the keyboard.
  • Type C:Windows/System32/drivers/etc in Run Box and then click the OK button.
  • Now open the hosts file with Notepad.
  • Look for any suspicious IP address that might be related to 7j45q Virus.
  • Delete all the unknown IP addresses and save the host files.
Remove 7j45q virus related IP address

Remove Virus related Windows Registry entries

  • Press Windows Key + R buttons together on the keyboard.
  • Type regedit in Run Box and then click the OK button.
  • Registry Editor will open, then press CTRL +F buttons together.
  • Now type 7j45q and then click on Find Next button.
  • Find all the related entries and delete them one by one
Remove 7j45q related registry

Delete Virus related files from your PC

When a threat gets on to a PC, it most likely creates some files at different locations on the system. These files are used to perform a specific action and also help malware in getting back to the computer once it’s removed. So you just need to find also delete all those files associated with this .7j45q File Virus. For that follow the below instruction :
  • Press Windows Key + R buttons together on the keyboard
  • Type each of the following in Run Box and press the OK button
  1. %AppData%
  2. %LocalAppData%
  3. %ProgramData%
  4. %WinDir%
  5. %Temp%
For the first four options, look for any recent folder related to the .7j45q File Virus and remove them. For the Temp folder, you can delete all the files.

Remove 7j45q Virus via system restore

  • Press Windows Key + R buttons together on the keyboard.
  • Type cmd in Run Box and then click the OK button.
  • Type cd restore and press Enter, then type rstrui.exe and press Enter.
  • When the System Restore window opens on your computer screen click the Next button, then choose a System Restore point you have created in the past and click the Next button.
  • Finally, click on the Yes button to start the system restoration process.
Remove 7j45q via system restore

Note: This will only work if you have a restore point set on your PC or it will give an error message. Restoring the computer to a previous version may or may not remove .7j45q File Virus. Most of the time, viruses just delete all the restore points. If this trick does not work for you then don’t get disappointed.

After restoring your computer, we recommend you run a thorough scan of the PC using a Powerful Anti-Malware program to detect and remove any hidden threats. In most cases, viruses may spread through any files outside of the C drive because system restoring only affect the C drive. There may be some Virus related files hiding your PC, and it never hurts to double-check.

Sometimes, system restore doesn’t work or viruses can just remove the restore points. As such you will probably have no other choice than to choose the Automatic Removal Process. It is the best and error-free method to find and remove threats from your computer. Additionally, you should also check some important malware prevention tips provided here in this guide to avoid similar virus attacks in the future.

Remove 7j45q Virus From MacOS

If you are a mac user, and your machine got infected by this file-encrypting malware then you need to remove it as soon as possible. Although Mac systems are quite safe they still do get infected. So you can delete this infection using the below steps:

Stop Virus From Activity Monitor

  • First, you need to open Utilities folder on your Mac system.
  • Find the Activity Monitor icon and double-click on it to open it.
  • Find 7j45q related process, click the cross button from the upper left side corner to end task.
  • A pop-up dialogue box will appear on the screen, click on the Force Quit button.

Remove Virus From Application Folder

  • First, go to the Dock option (bottom of your screen) then click on Finder App.
  • Now you have to open the Applications Folders to see all the programs.
  • Find 7j45q or any other unwanted program then move it to Trash.
Remove 7j45q From Mac

Remove 7j45q Virus Related Files From Mac

When any program is installed on your Mac, it creates several files on your system that support the functioning of that application. If you need to remove any virus from your Mac, then you need to delete all related files completely. These files could be found at :
  1. LaunchAgents
  2. Application Support
  3. LaunchDaemons
Follow below steps to remove virus related files from these locations:
  • First of all press the Command+Shift+G buttons together on your keyboard.
  • Now you can see Go To Folder option on your Mac screen.
  • Type in /Library/LaunchAgents in the text field and click on Go button.
  • Find and remove any 7j45q Virus related files.
Now follow the same process for Application Support and LaunchDaemons folders. But be careful, don’t delete any important files or you can break down your entire system.

Attention: If you are not tech-savvy, then it could be quite difficult to remove 7j45q File Virus manually from your Mac. The best way is to download SpyHunter Mac Anti-Malware and see if it can detect all hidden threats and viruses on your computer. It’s really super easy and you should give it a try.

How SpyHunter Mac Anti-Malware Works

  • First, download the SpyHunter for Mac by clicking on the below button.

Some time threats like 7j45q Virus keep getting back on the machine if all associated files are not removed. So you are advised to use a powerful Malware Removal Tool to run a thorough scan of your Mac and delete all threats at once.

SpyHunter Mac Anti-Malware allows you, subject to a 48-hour waiting period, one remediation and removal for results found. Read EULA and Privacy Policy.
  • Now go to the Download Folder from the Docs and Install the SpyHunter Anti-Malware For Mac.
Install SpyHunter for Mac
  • Launch the Program, and click on Start Scan Now button.
Spyhunter for Mac start scan now
  • The software will start running a full scan of your mac instantly to look for any malware or security risks, and so on.
Spyhunter for mac scanning
  • Finally, you will see a list of malware detected on your mac, now click on the Next button to start the removal process.
Remove Malware with spyhunter for mac

Tips To Prevent .7j45q Virus in Future

  • Use a good anti-virus, be it a free version but don’t use cracked security programs.
  • Make sure that your Windows firewall is active, so it can block upcoming threats.
  • Keep your Windows/Mac OS and other programs updated to avoid vulnerabilities.
  • Download updates only from official websites, don’t use suspicious sites.
  • Never download and install pirated software, games, or illegal patches on your PC.
  • Do not open spam emails from an unknown sender and scan all attachments before opening.
  • Never download freeware third-party programs from unreliable sources or websites.
  • Avoid connecting your PC to unsafe public Wi-Fi to protect your privacy.
  • You can also use a VPN to spoof your connection and avoid harmful sites.
  • Create a system restore point on your system for security purposes.
  • Keep a backup of all your important files to avoid data loss.
tip Still, having issues? Need help?

Some time threats like 7j45q Virus keep getting back on the machine if all associated files are not removed. So you are advised to use a powerful Malware Removal Tool to run a thorough scan of your PC and delete all threats at once.

SpyHunter 5 Anti-Malware offers a 15-day fully-functional Free Trial. Credit card required, NO charge upfront. No charge if you cancel during the trial period. Read SpyHunter 5 Review, EULA and Privacy Policy

About the author

Robert Calvert

Robert is the Chief Security Expert and Founder of PCSafetyGeek.com website. He is a cybersecurity enthusiast who loves to research about Malware outbreaks and write about their remedies. He also like to spend time trying new software, reviewing them and sharing IT news. However he is a real coffee lover and likes to play chess in spare time (which is quite rare 😜).

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