Backdoor:Win32/SkinnyBoy (SkinnyBoy Backdoor) — Virus Removal Guide

Written by Wilbur Woodham
If you see the message reporting that the Backdoor:Win32/SkinnyBoy was located on your Windows PC, or in times when your computer works also slow as well as give you a huge amount of frustrations, you absolutely compose your mind to scan it for SkinnyBoy and also clean it in an appropriate procedure. Right now I will certainly show to you just how to do it.
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SkinnyBoy creates persistence via a Windows shortcut under the Windows Startup folder. It then drops a payload to extract two files on the system – devtmrn.exe and TermSrvClt.dll – and then deletes itself. As there is persistence, this allows for the two extracted files to be executed later. Once the system is rebooted, the Windows shortcut launches the main payload SkinnyBoy (TermServClt.dll) and exfiltrates information about the infected system by executing two Windows utilities – systeminfo.exe and tasklist.exe – which gather information about the system and the running processes. The information extracted is delivered to the C2 server and is decoded in Base64 format, and encrypts the POST request to avoid static detection.
SkinnyBoy 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.

SkinnyBoy 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.

SkinnyBoy 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.

Backdoor Summary:

NameSkinnyBoy Backdoor
DetectionBackdoor:Win32/SkinnyBoy
DamageGain access to the operating system to perform various malicious actions.
SimilarMsil Acmendo, Hupigon, Powershell Shaningning, Netwiredrc, Atadommoc, Mocbot, Msil Kuribot, Win64 Donipye
Fix ToolSee If Your System Has Been Affected by SkinnyBoy backdoor

Types of viruses that were well-spread 10 years ago are no longer the source of the issue. Currently, the issue is more noticeable in the locations of blackmail or spyware. The challenge of repairing these issues needs different solutions as well as new techniques.

Does your antivirus regularly report about the “SkinnyBoy”?

If you have actually seen a message showing the “Backdoor:Win32/SkinnyBoy found”, after that it’s an item of good news! The pc virus “Backdoor:Win32/SkinnyBoy” was discovered as well as, probably, erased. Such messages do not imply that there was a really active SkinnyBoy on your gadget. You can have merely downloaded and install a file that contained Backdoor:Win32/SkinnyBoy, so your anti-virus software instantly erased it prior to it was released as well as triggered the troubles. Alternatively, the harmful script on the infected site might have been detected and avoided prior to causing any type of issues.

Backdoor:Win32/SkinnyBoy found

Microsoft Defender: “Backdoor:Win32/SkinnyBoy”

To put it simply, the message “Backdoor:Win32/SkinnyBoy Found” during the typical use your computer does not indicate that the SkinnyBoy has actually completed its goal. If you see such a message after that it could be the proof of you going to the contaminated page or loading the malicious file. Try to prevent it in the future, but don’t fret excessive. Experiment with opening the antivirus program as well as inspecting the Backdoor:Win32/SkinnyBoy detection log file. This will offer you more information about what the specific SkinnyBoy was discovered as well as what was specifically done by your antivirus software application with it. Obviously, if you’re not positive sufficient, refer to the hand-operated check– anyway, this will be helpful.

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

If your system works in a very sluggish means, the website open in a strange fashion, or if you see ads in the position you’ve never expected, it’s possible that your computer obtained contaminated as well as the infection is now active. Spyware will track all your activities or redirect your search or web page to the locations you do not wish to visit. Adware may infect your browser and even the entire Windows OS, whereas the ransomware will certainly try to obstruct your PC and require a significant ransom money amount for your own documents.

Irrespective of the sort of trouble with your PC, the primary step is to scan it with Gridinsoft Anti-Malware. This is the most effective tool to find and also cure your PC. Nevertheless, it’s not a basic antivirus software. Its goal is to battle modern risks. Now it is the only application on the market that can merely clean the PC from spyware as well as various other viruses that aren’t even detected by regular antivirus software programs. Download and install, mount, and run Gridinsoft Anti-Malware, after that check your computer. It will certainly assist you via the system clean-up procedure. You do not need to acquire a license to clean your PC, the first certificate provides you 6 days of a completely cost-free test. However, if you intend to secure on your own from permanent threats, you most likely need to consider buying the permit. This way we can ensure that your computer will no more be contaminated with infections.

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

To scan your computer for SkinnyBoy as well as to remove all spotted malware, you want to have an antivirus. The existing variations of Windows include Microsoft Defender — the integrated antivirus by Microsoft. Microsoft Defender is usually rather excellent, nonetheless, it’s not the only thing you need to get. In our viewpoint, the best antivirus service is to use Microsoft Defender in combo with Gridinsoft.

By doing this, you might obtain a complicated protection against the range of malware. To look for trojans in Microsoft Defender, open it as well as start a new scan. It will completely check your PC for pc virus. And also, certainly, Microsoft Defender works in the background by default. The tandem of Microsoft Defender and also Gridinsoft will certainly establish you free of the majority of the malware you may ever experience. A Routinely set up examination might also safeguard your device in the future.

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

Safe mode

If you have Backdoor:Win32/SkinnyBoy kind that can barely be removed, you may need to take into consideration scanning for malware past the usual Windows functionality. For this objective, you need to start Windows in Safe Mode, therefore preventing the system from loading auto-startup items, possibly including malware. Start Microsoft Defender examination and then scan with Gridinsoft in Safe Mode. This will certainly aid you uncover the viruses that can not be tracked in the normal mode.

Use Gridinsoft to remove SkinnyBoy and other junkware.

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It’s not sufficient to just use the antivirus for the safety and security of your PC. You need to have much more comprehensive antivirus solution. Not all malware can be found by standard antivirus scanners that mainly try to find virus-type hazards. Your system may have plenty of “trash”, for instance, toolbars, internet browser plugins, questionable internet search engines, bitcoin-miners, and also other kinds of unwanted software used for generating income on your lack of experience. Beware while downloading and install programs on the internet to prevent your gadget from being filled with unwanted toolbars and various other junk data.

Nevertheless, if your system has actually already got a specific unwanted application, you will make your mind to remove it. The majority of the antivirus programs are uncommitted regarding PUAs (potentially unwanted applications). To eliminate such software, I recommend buying Gridinsoft Anti-Malware. If you use it regularly for scanning your system, it will certainly assist you to eliminate malware that was missed by your antivirus software.

Frequently Asked Questions

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

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/SkinnyBoy virus, please download the GridinSoft Anti-Malware that I recommended. Also, you can always ask me in the comments for getting help.

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Wilbur Woodham
How to Remove Backdoor:Win32/SkinnyBoy Malware

Name: Backdoor:Win32/SkinnyBoy

Description: If you have seen a message showing the “Backdoor:Win32/SkinnyBoy found”, then it’s an item of excellent information! The pc virus SkinnyBoy was detected and, most likely, erased. Such messages do not mean that there was a truly active SkinnyBoy on your gadget. You could have simply downloaded and install a data that contained Backdoor:Win32/SkinnyBoy, 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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