Trojan:MSIL/SmallDownloader!MTB (Small Trojan Downloader) — Virus Removal Guide

Written by Wilbur Woodham
If you see the message reporting that the Trojan:MSIL/SmallDownloader!MTB was found on your Windows PC, or in times when your computer works as well slowly and also give you a lot of headaches, you absolutely compose your mind to scan it for Small and tidy it in a proper way. Today I will show to you exactly how to do it.
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It is better to prevent, than repair and repent!

When we talk about the intrusion of unfamiliar programs into your computer’s work, the proverb “Forewarned is forearmed” describes the situation as accurately as possible. Gridinsoft Anti-Malware is exactly the tool that is always useful to have in your armory: fast, efficient, up-to-date. It is appropriate to use it as an emergency help at the slightest suspicion of infection.
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Small tool that looks legitimate but can take control of your computer.

The majority of Small are used to make a profit on you. The organized crime specifies the variety of bad programs to steal your credit card details, online banking credentials, and also various other data for fraudulent purposes.

Threat Summary:

Name Small Trojan Downloader
Detection Trojan:MSIL/SmallDownloader!MTB
Details Small tool that looks legitimate but can take control of your computer.
Fix Tool See If Your System Has Been Affected by Small Trojan Downloader

Kinds of viruses that were well-spread 10 years ago are no longer the resource of the issue. Currently, the problem is more evident in the areas of blackmail or spyware. The problem of fixing these concerns needs different softwares and also new approaches.

Does your antivirus regularly report about the “Small”?

If you have actually seen a message indicating the “Trojan:MSIL/SmallDownloader!MTB found”, then it’s a piece of great news! The pc virus “Trojan:MSIL/SmallDownloader!MTB” was discovered as well as, most likely, deleted. Such messages do not imply that there was an actually active Small on your gadget. You might have simply downloaded a file which contained Trojan:MSIL/SmallDownloader!MTB, so your anti-virus software automatically deleted it before it was released and created the problems. Additionally, the harmful manuscript on the infected site can have been identified and also protected against before triggering any troubles.

Trojan:MSIL/SmallDownloader!MTB found

Microsoft Defender: “Trojan:MSIL/SmallDownloader!MTB”

In other words, the message “Trojan:MSIL/SmallDownloader!MTB Found” throughout the common use your computer does not mean that the Small has completed its goal. If you see such a message then maybe the proof of you checking out the infected web page or packing the harmful file. Attempt to avoid it in the future, yet do not fret too much. Explore opening up the antivirus program and inspecting the Trojan:MSIL/SmallDownloader!MTB detection log file. This will certainly provide you even more information about what the exact Small was found and what was specifically done by your anti-virus software with it. Of course, if you’re not certain enough, refer to the hand-operated scan– anyway, this will certainly be useful.

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

If your system works in an exceptionally lagging means, the websites open in an unusual manner, or if you see ads in the position you’ve never ever expected, it’s feasible that your computer obtained infected as well as the infection is currently active. Spyware will certainly track all your activities or reroute your search or web page to the places you don’t intend to check out. Adware might infect your web browser as well as even the whole Windows OS, whereas the ransomware will certainly try to obstruct your computer and demand a tremendous ransom money amount for your own files.

Regardless of the kind of trouble with your PC, the primary step is to scan it with Gridinsoft Anti-Malware. This is the most effective tool to spot and cure your computer. However, it’s not an easy antivirus software application. Its goal is to battle modern threats. Right now it is the only product on the market that can merely cleanse the PC from spyware and also various other infections that aren’t even discovered by normal antivirus software programs. Download, install, and run Gridinsoft Anti-Malware, after that scan your computer. It will certainly assist you with the system cleaning process. You do not have to buy a certificate to clean your PC, the first permit offers you 6 days of a totally totally free trial. However, if you want to safeguard on your own from permanent hazards, you probably need to take into consideration buying the permit. By doing this we can guarantee that your computer will certainly no longer be infected with infections.

How to scan your PC for Trojan:MSIL/SmallDownloader!MTB?

To scan your system for Small and also to eliminate all spotted malware, you need to find an antivirus. The current versions of Windows include Microsoft Defender — the integrated antivirus by Microsoft. Microsoft Defender is generally quite good, nevertheless, it’s not the only thing you need to find. In our viewpoint, the most effective antivirus service is to use Microsoft Defender in the mix with Gridinsoft.

This way, you might obtain complex defense versus the range of malware. To look for trojans in Microsoft Defender, open it and begin a new examination. It will thoroughly scan your device for infections. And, certainly, Microsoft Defender operates in the background by default. The tandem of Microsoft Defender and also Gridinsoft will certainly set you free of most of the malware you might ever come across. On a regular basis scheduled scans might also protect your system in the future.

Use Safe Mode to fix the most complex Trojan:MSIL/SmallDownloader!MTB issues.

Safe mode

If you have Trojan:MSIL/SmallDownloader!MTB type that can barely be gotten rid of, you may need to take into consideration scanning for malware past the common Windows functionality. For this objective, you require to start Windows in Safe Mode, therefore preventing the system from loading auto-startup items, potentially consisting of malware. Start Microsoft Defender checkup and then scan with Gridinsoft in Safe Mode. This will certainly aid you discover the viruses that can’t be tracked in the normal mode.

Use Gridinsoft to remove Small and other junkware.

GridinSoft Anti-Malware

It’s not sufficient to merely use the antivirus for the safety of your PC. You need to have much more detailed antivirus app. Not all malware can be identified by standard antivirus scanners that mainly search for virus-type dangers. Your system may contain “junk”, for example, toolbars, Chrome plugins, shady online search engines, bitcoin-miners, and various other kinds of unwanted programs used for generating income on your lack of experience. Beware while downloading and install apps on the web to avoid your tool from being full of unwanted toolbars and other scrap data.

However, if your system has actually already got a specific unwanted application, you will certainly make your mind to remove it. Most of the antivirus programs are do not care about PUAs (potentially unwanted applications). To remove such software, I recommend acquiring Gridinsoft Anti-Malware. If you use it occasionally for scanning your system, it will certainly aid you to eliminate malware that was missed out on by your antivirus program.

Frequently Asked Questions

🤔 How Do I Know My Windows 10 PC Has Trojan:MSIL/SmallDownloader!MTB?


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 Trojan:MSIL/SmallDownloader!MTB infection, 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 Trojan:MSIL/SmallDownloader!MTB Malware

Name: Trojan:MSIL/SmallDownloader!MTB

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

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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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