Backdoor:Win32/Kelihos — Virus Removal Guide

If you see the message reporting that the Backdoor:Win32/Kelihos was found on your computer, or in times when your computer functions too slow as well as give you a huge amount of frustrations, you most definitely compose your mind to check it for Kelihos as well as tidy it in a proper way. Now I will certainly explain to you how to do it.
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Backdoor:Win32/Kelihos is a trojan that distributes spam email messages that may contain web links to installers of itself. It may also connect to remote computers to exchange configuration data and to download and execute arbitrary files.
Kelihos backdoor is an illegal tool to gain access to a server or computer bypassing the security mechanisms of the system.

Typically, attackers create a backdoors to gain access to the operating system to perform various actions. This can be stealing passwords and credit card numbers (aka spyware), installing ransomware, or cryptocurrency miners.

Kelihos backdoor is often installed as part of an exploit. And in some cases, the backdoor enters the computer as a result of a previous attack.

Kelihos is often difficult to detect, and detection methods vary greatly depending on the version of the malware. In some cases, antivirus software can detect a backdoor. In other cases, security professionals may need to use specialized tools to detect backdoors or use a protocol monitoring tool to inspect network packets.

Name Kelihos Backdoor
Detection Backdoor:Win32/Kelihos
Damage Gain access to the operating system to perform various malicious actions.
Similar Zbot, Msil Pontoeb, Androme, Mozarkerv, Python Tortoishell, Cobaltstrike, Php Webshell, Php Brobot
Fix Tool See If Your System Has Been Affected by Kelihos backdoor

Kinds of viruses that were well-spread 10 years ago are no longer the source of the problem. Presently, the trouble is extra obvious in the areas of blackmail or spyware. The difficulty of taking care of these concerns requires new softwares as well as different techniques.

Does your antivirus regularly report about the “Kelihos”?

If you have actually seen a message showing the “Backdoor:Win32/Kelihos found”, then it’s a piece of good news! The virus “Backdoor:Win32/Kelihos” was found and also, most likely, deleted. Such messages do not mean that there was a truly energetic Kelihos on your gadget. You can have simply downloaded and install a data that contained Backdoor:Win32/Kelihos, so your anti-virus software immediately deleted it before it was released and caused the troubles. Alternatively, the destructive manuscript on the infected site might have been discovered and also prevented prior to creating any kind of troubles.

Backdoor:Win32/Kelihos found

Microsoft Defender: “Backdoor:Win32/Kelihos”

Simply put, the message “Backdoor:Win32/Kelihos Found” during the usual use of your computer system does not indicate that the Kelihos has actually finished its goal. If you see such a message then maybe the proof of you visiting the contaminated page or loading the malicious documents. Attempt to prevent it in the future, however do not panic way too much. Experiment with opening up the antivirus program and also examining the Backdoor:Win32/Kelihos detection log documents. This will certainly offer you more information concerning what the exact Kelihos was spotted as well as what was specifically done by your anti-virus software application with it. Naturally, if you’re not certain sufficient, describe the hands-on check– anyway, this will certainly be valuable.

How to scan for malware, spyware, ransomware, adware, and other threats.

If your computer operates in an incredibly slow method, the web pages open in a weird way, or if you see ads in the position you’ve never anticipated, it’s possible that your system obtained infected and the virus is now active. Spyware will certainly track all your tasks or reroute your search or home pages to the places you do not wish to check out. Adware may infect your internet browser and also even the whole Windows OS, whereas the ransomware will certainly try to obstruct your computer and also demand a significant ransom quantity for your own files.

Irrespective of the sort of the issue with your PC, the initial step is to scan it with Gridinsoft Anti-Malware. This is the most effective app to detect as well as cure your computer. However, it’s not a straightforward antivirus software. Its goal is to combat modern hazards. Today it is the only application on the market that can merely clean up the PC from spyware and also other viruses that aren’t also detected by normal antivirus programs. Download and install, set up, and also run Gridinsoft Anti-Malware, then check your computer. It will certainly guide you via the system cleaning process. You do not have to get a permit to cleanse your PC, the initial permit provides you 6 days of a totally free test. Nevertheless, if you wish to secure yourself from irreversible dangers, you possibly need to think about buying the certificate. In this manner we can assure that your computer will no longer be infected with infections.

How to scan your PC for Backdoor:Win32/Kelihos?

To scan your device for Kelihos and to eliminate all identified malware, you need to find an antivirus. The existing versions of Windows include Microsoft Defender — the integrated antivirus by Microsoft. Microsoft Defender is typically rather excellent, however, it’s not the only thing you want to have. In our viewpoint, the best antivirus remedy is to utilize Microsoft Defender in the mix with Gridinsoft.

This way, you might obtain facility protection versus the range of malware. To look for viruses in Microsoft Defender, open it and also begin fresh check. It will completely scan your computer for infections. And also, certainly, Microsoft Defender operates in the background by default. The tandem of Microsoft Defender as well as Gridinsoft will establish you free of many of the malware you may ever before experience. Consistently scheduled checks might likewise safeguard your PC in the future.

Use Safe Mode to fix the most complex Backdoor:Win32/Kelihos issues.

Safe mode

If you have Backdoor:Win32/Kelihos kind that can hardly be removed, you might require to take into consideration scanning for malware past the typical Windows functionality. For this objective, you need to start Windows in Safe Mode, thus stopping the system from loading auto-startup items, perhaps including malware. Start Microsoft Defender checkup and then scan with Gridinsoft in Safe Mode. This will help you uncover the infections that can’t be tracked in the normal mode.

Use Gridinsoft to remove Kelihos and other junkware.

GridinSoft Anti-Malware

It’s not sufficient to simply use the antivirus for the safety and security of your PC. You need to have much more comprehensive antivirus app. Not all malware can be found by typical antivirus scanners that mostly seek virus-type hazards. Your system may teem with “junk”, for example, toolbars, web browser plugins, questionable online search engines, bitcoin-miners, as well as various other sorts of unwanted programs used for generating income on your inexperience. Be cautious while downloading software online to stop your device from being loaded with unwanted toolbars and various other scrap data.

However, if your system has actually currently obtained a particular unwanted application, you will make your mind to erase it. Most of the antivirus programs are uncommitted concerning PUAs (potentially unwanted applications). To eliminate such programs, I suggest purchasing Gridinsoft Anti-Malware. If you use it occasionally for scanning your computer, it will certainly help you to eliminate malware that was missed by your antivirus program.

Frequently Asked Questions

🤔 How Do I Know My Windows 10 PC Has Backdoor:Win32/Kelihos?


There are many ways to tell if your Windows 10 computer has been infected. Some of the warning signs include:

  • Computer is very slow.
  • Applications take too long to start.
  • Computer keeps crashing.
  • Your friends receive spam messages from you on social media.
  • You see a new extension that you did not install on your Chrome browser.
  • Internet connection is slower than usual.
  • Your computer fan starts up even when your computer is on idle.
  • You are now seeing a lot of pop-up ads.
  • You receive antivirus notifications.

Take note that the symptoms above could also arise from other technical reasons. However, just to be on the safe side, we suggest that you proactively check whether you do have malicious software on your computer. One way to do that is by running a malware scanner.

🤔 How to scan my PC with Microsoft Defender?


Most of the time, Microsoft Defender will neutralize threats before they ever become a problem. If this is the case, you can see past threat reports in the Windows Security app.

  1. Open Windows Settings. The easiest way is to click the start button and then the gear icon. Alternately, you can press the Windows key + i on your keyboard.
  2. Click on Update & Security
  3. From here, you can see if your PC has any updates available under the Windows Update tab. This is also where you will see definition updates for Windows Defender if they are available.
  4. Select Windows Security and then click the button at the top of the page labeled Open Windows Security.

    Windows Security

  5. Select Virus & threat protection.
  6. Select Scan options to get started.

    Windows Security Scan options

  7. Select the radio button (the small circle) next to Windows Defender Offline scan Keep in mind, this option will take around 15 minutes if not more and will require your PC to restart. Be sure to save any work before proceeding.
  8. Click Scan now

If you want to save some time or your start menu isn’t working correctly, you can use Windows key + R on your keyboard to open the Run dialog box and type “windowsdefender” and then pressing enter.

From the Virus & protection page, you can see some stats from recent scans, including the latest type of scan and if any threats were found. If there were threats, you can select the Protection history link to see recent activity.

If the guide doesn’t help you to remove Backdoor:Win32/Kelihos infection, please download the GridinSoft Anti-Malware that I recommended. Also, you can always ask me in the comments for getting help. Good luck!

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Wilbur Woodham
How to Remove Backdoor:Win32/Kelihos Malware

Name: Backdoor:Win32/Kelihos

Description: If you have seen a message showing the “Backdoor:Win32/Kelihos found”, then it’s an item of excellent information! The pc virus Kelihos was detected and, most likely, erased. Such messages do not mean that there was a truly active Kelihos on your gadget. You could have simply downloaded and install a data that contained Backdoor:Win32/Kelihos, so Microsoft Defender automatically removed it before it was released and created the troubles. Conversely, the destructive script on the infected internet site can have been discovered as well as prevented prior to triggering any kind of issues.

Operating System: Windows

Application Category: Backdoor

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About the author

Wilbur Woodham

I was a technical writer from early in my career, and consider IT Security one of my foundational skills. I’m sharing my experience here, and I hope you find it useful.

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