Oct 27, 2016

How to Delete SONAR.Heur.RGC!g345 Trojan from Your Computer

Hey, there? Please help!! Everything has been messed up on my PC! It happened less than several days ago, I felt my computer was not fast as before, and I thought it might be caused by too many junks in my computer and I managed to clean up the computer. But things did not become better. The computer now become even slower. My browser has been changed and is out of my control. I was suggested to scan if I have been infected with virus. Oh, the root cause turns out to be SONAR.Heur.RGC!g345 trojan virus. So i tried to delete it completely, but failed and frustrated. Please help me!!

More Information about SONAR.Heur.RGC!g345 Trojan Virus

SONAR.Heur.RGC!g345 trojan virus is a nasty Trojan virus discovered and published by the Symantec Corporation on October 25, 2016. The Symantec company is well known in the antivirus industry and their antivirus program Norton, which is developed between 1991 and 2014, is used to protect computers by many customers all over the word. According to their report on October 25, 2016, the SONAR.Heur.RGC!g345 trojan virus can affect windows computer systems including Windows 2000, Windows 7, Windows 8, Windows 95, Windows 98, Windows Me, Windows NT, Windows Server 2003, Windows Server 2008, Windows Vista, Windows XP.

Even if the SONAR.Heur.RGC!g345 trojan virus is defined in the Symantec corporation report released on October 25, 2016 as low level risk, it is strongly recommended to remove it completely and totally from your computer as soon as it is detected by your antivirus programs such as Norton, Avast, AVG, Kaspersky, Ariva and so on. Because, as all the other Trojan viruses, the SONAR.Heur.RGC!g345 trojan virus will inevitably bring about a series of terrible harms to the computer system. The browsers like Microsoft Edge, Google Chrome, Mozilla Firefox, or Internet Explorer would be hijacked by the virus. The settings you make to customize your browser would be changed to the benefits of the sponsors and designers of the virus. The virus will manage to corrupt your regular softwares and watch over your personal activities without your permission. There is no doubt that your confidential data would be stolen for illegal purposes if the virus stays long time on your computer without being deleted timely. So it is strongly advised to remove it thoroughly no matter when your computer is found infected with the SONAR.Heur.RGC!g345 trojan virus without any delay.

Processing manual removal should have a certain level of computer literacy. If you are not sure how to start or afraid of making any critical damage on the computer system, please open a live chat with YooCare Expert now!

How to Stay Away from the Above Mentioned Trojan Virus?

There are many ways to prevent the SONAR.Heur.RGC!g345 trojan virus from infecting your computer system. Some focus on avoiding infection during the process of installing a new program, for example, to select “Advanced” to check if there is suspicious program like the one we are talking about here bundled with the main one. Some concentrate on how to remove it completely after being infected. Here we mainly tell the readers some tips to avoid downloading the virus before installation. Many viruses usually spread through junk mail attachments, free programs and pornographic websites. So, do not open any attachments in junk emails you don’t know; Do not go to unknown websites to download the so-called free programs or green programs, because many malicious programs are included in the installation package. Do not visit pornographic websites, every download from these websites may result in the infection of the virus. It is sure that these tips will help stop being infected with the SONAR.Heur.RGC!g345 trojan virus, if they are carried out properly by the computer users.

Note: No matter how the virus accesses your PC, users should know that there are no tools can remove this pesky Trojan automatically at this moment, it is suggested users not spend much time in downloading or paying any security software which claims can delete this stubborn virus. It is totally useless. To completely get rid of the mentioned virus, professional manual guide is needed.

About the Trojan Virus Removal:

Currently many computer users had the same experience that this virus couldn’t be removed by any anti-virus applications. So the manual approach is always required to combat this virus. And here is the step-by-step removal guide for all computer users.

1. End the malicious process from Task Manager.
SONAR.Heur.RGC!g345 virus is installed,computer user may notice that CPU usage randomly jumps to 100 percent. At any time Windows always has many running processes. A process is an individual task that the computer runs. In general, the more processes, the more work the computer has to do and the slower it will run. If your system’s CPU spike is constant and remain at a constant 90-95%, users should check from Task Manager and see if there is a suspicious process occupying system resources and then end it immediately.

(The name of the virus process can be random.)

Press Ctrl+Shift+Esc to quickly bring up Task Manager Window:

task manager
2. Show hidden files and folders.

Open Folder Options by clicking the Start button, clicking Control Panel, clicking Appearance and Personalization, and then clicking Folder Options.

Click the View tab.

Under Advanced settings, click Show hidden files and folders, uncheck Hide protected operating system files (Recommended) and then click OK.

Folder Options

3. Open Registry entries. Find out the malicious files and entries and then delete all.

Attention: Always be sure to back up your PC before making any changes.

a. Press Windows key + R to open Run box. In the “Open” field, type “regedit” and click the “OK” button.


Then a Registry Editor window will pop up as the following picture shows:

registry editor

b. Search malicious files and registry entries and then remove all of them:

%AllUsersProfile%\Application Data\.exe

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\[random]
HKEY_LOCAL_MACHINE\Software\Microsoft\Windows NT\CurrentVersion\Temp

Video Shows You How to Safely Modify Windows Registry Editor:


When your computer is infected with the SONAR.Heur.RGC!g345 trojan virus, it will become slower and slower as time goes by. The virus would hijack your browsers and corrupt your routine programs. Your personal activities would be closely monitored without permission. Your sensitive data may be stolen for illegal use. More damages and losses will be caused if it stays long time on your system. So if your computer is found infected with the virus, you should take effective steps to remove it totally as soon as possible. The virus was newly discovered and published by Symantec Corporation several days ago. Some other antivirus programs may also have discovered the virus and updated the virus library. To detect the virus accurately, it is suggested to update your antivirus programs timely. And to remove the virus completely, it is recommended to turn to an expert to perform the removal operation manually. Because manual removal is thought to be the most effective way in removing a virus like SONAR.Heur.RGC!g345 and an expert will be able to delete the virus completely without introducing other problems caused by mistaken operation.

Note: Still have trouble in removing this virus? If you don’t want to mess up your whole PC, Please contact YooCare Experts for instant help now.

Published by & last updated on October 27, 2016 7:18 pm

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