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How to Remove SONAR.Cryptlck!g109? (Useful Removal Guide)

I need some help in removing SONAR.Cryptlck!g109 totally from my system. It completely mess up my system by executing its malicious activities on my PC. It enters using some creepy techniques and create more trouble into my system. It get automatically arrived with harmful malware into my PC. I doesn’t get any solution to get rid of SONAR.Cryptlck!g109 totally from my PC. Could anybody help me in removing SONAR.Cryptlck!g109 totally from my System?

What is SONAR.Cryptlck!g109?

SONAR.Cryptlck!g109 is a dangerous trojan virus programs which attacks your computer sneakily. It is usually bundled with free download on the Internet, and is downloaded when users download or update programs from the Internet. It can be distributed by spam email attachments or hacked web sites. Once installed, it injects malicious files and registry entries to your system, and spreads rootkit codes, which enable itself being distributed easily in your computer. Start-up items will be changes as soon as it comes so that it can be activated when users boot their computers.

SONAR.Cryptlck!g109 is able to damage target computer seriously. It corrupts system files and programs files to mess up your system running and program working. Sometimes you may find that your personal data cannot be found. Computer shuts down and restarts randomly, and blue screen problem occurs from time to time. SONAR.Cryptlck!g109 is able to inject other infections such as browser hijacker or worms to your computer as well.

What is more, SONAR.Cryptlck!g109 open backdoors on your system, and connects your computer to a remote server, which means, other virus can sneak into your computer through the backdoor, and hackers or cyber criminals can take control your computer remotely via the server.

SONAR.Cryptlck!g109 comes to target computer with free downloads or share programs from the Internet. SONAR.Cryptlck!g109 changes its files names and locations to avoid being detected. Also, it hides its files deeply behind the system. What is more, it changes files names and locations not only of its own, but also of system and programs.Startup items are alerted so that it can be activated with the system booting. To completely get rid of SONAR.Cryptlck!g109, you can manually delete all its harmful components or use Spyhunter which is designed specifically to deal with SONAR.Cryptlck!g109 to regain a clean, fast and safe PC.

How SONAR.Cryptlck!g109 comes to your system?

SONAR.Cryptlck!g109 is a very harmful infection that silently infiltrates into targeted windows computer without seeking for any approval and hides itself behind the system background. You won’t recognize its arrival as it infiltrates very secretly and via various Internet sources Lets have a look at some of these:

Social Media : Visiting malicious websites, unsafe web pages, phishing domain and unauthentic web pages are the major ways for the invasion of creepy computer threats.
Drive By Download : This very malware usually comes bundled with freeware software installers, unsafe programs and third party application programs from the unsafe Internet sources.
Open Spam Email Attachments : When you open Spam emails or download its suspicious attachments, then such malware bug may get inside your PC. It is the basic source for virus penetration.
Infected Removal Devices : Use of infected external devices such as DVD, CD, pen drive etc. may inject SONAR.Cryptlck!g109 like harmful bugs into your victimized computer. so, you should be careful before using any external devices.

What Are The Consequences Of SONAR.Cryptlck!g109 On Your PC ?

This Trojan can severely impair and damage your PC once it gets installed. It increases the payload by dropping malicious codes by easily surpassing the security programs pre-installed on the system. It tries every possible ways in the book to go undetected. Apart from this it creates following problems on your PC

PC users experience sluggish PC performance
System automatically restarts or freezes
Opens backdoor and allow threats into your PC
Disable the security program

Effective methods to get rid of SONAR.Cryptlck!g109:

Method one: Automatically remove SONAR.Cryptlck!g109 easily with SpyHunter.(Download Removal Tool)
Method two: Manually remove SONAR.Cryptlck!g109.

Detail instruction (please perform all the steps in correct order)

Method one: Automatically remove SONAR.Cryptlck!g109 easily with SpyHunter.
It is highly recommended to download SpyHunter on your computer if you have difficulty in manually SONAR.Cryptlck!g109. It is developed to help users to detect and delete the infection once found. Besides, it can repair the compromised system automatically and protect your PC against other potential threats in the future.

Step 1: Download SpyHunter on your computer with the following installation tutorials.


Step 2: The moment you accomplish the installation, run it and perform a full scan of your entire system to search for the rogue program.


Step 3: Please check the scan results and delete the rogue program from your computer.


Step 4: Don’t forget to restart your computer to apply all changes.

Method two: Manually remove SONAR.Cryptlck!g109

(1) Use the safe mode
Reboot your computer, press F8 to enter Windows Advanced Options Menu before Windows is launched, use the arrow keys to highlight Safe Mode with Networking, press Enter.


Reference video on How to Remove Windows Virus in Safe mode

(2) Stop the running process of SONAR.Cryptlck!g109 in Windows Task Manager.
Right click on the taskbar and select Start Task Manager (or press Ctrl+Shift+Esc), click Process tab, find and click on the related running process, and click End Process.


(3) Uninstall its related programs from your computer:
SONAR.Cryptlck!g109 may bring some unwanted programs, you should uninstall them all.
Start>> Control Panel >> Programs >> Programs and Features >> Find out the unwanted programs and Uninstall it.


(4) Reset Folder Options to find the hidden files.
Start >> Control Panel>> Tools >> Folder options >> view >> Show hidden files, folders, and drives >>OK


Find the files here, and delete them:

C:\windows\system32\drivers\ random
%AllUsersProfile%\Application Data\.dll
%AllUsersProfile%\Application Data\.exe
(5) Open Registry Editor and remove Trojan registry entries.
Attention: Removing registry entries mistakenly will lead to system crash. If you are not sure, leave it to professional tool.
Start >> input regedit in the search box >>open Registry Editor >>find the related date and remove them.


HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run “” = “%AppData%\.exe”
HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\Run “” = “%AppData%\.exe”


Know How To Keep System Safe From SONAR.Cryptlck!g109 and Other PC Threats

As you know prevention is better than cure, so we are come with some essential points that every Windows user should know to make their computer secure from upcoming malware infection. You are advised that checkout the listed precautionary measure required to avoid possibility of being infected with SONAR.Cryptlck!g109 and other hazardous threats.

First of all keep your antivirus program updated with the available latest version.
Perform complete system scan on regular interval.
Do not access any USB or external drives without scanning.
Avoid clicking or downloading any links or attachments come from unknown or untrusted sources respectively.
While browsing Internet, never install unknown extension, toolbar or any other suspicious application which
claims to enhance your browsing performance.
One should not visit or install unethical stuffs from Internet.


SONAR.Cryptlck!g109 virus can severely attack your computer once it gets on your PC. It corrupts your system files, weakens the security level of the infected computer and modifies all your key registry settings as well as disables your firewall because of its root-kit. The CPU usage percentage will become higher than before, which will cause constant blue or black screen death and system freeze. this Trojan virus helps cyber criminals remotely control the infected PC. So hackers can do anything on your PC and get any information from your computer or by tracking your online history. And users’ personal information like credit card, bank account details, log-in passwords or other financial information could be leaked out. Victims of this SONAR.Cryptlck!g109 virus will suffer from financial loss. This Trojan must be removed as fast as possible to avoid further damages if you detect this nasty thing on your computer.

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