Trojan:MSIL/FormBook.ADI!MTB Virus Removal

What is the Win32:Evo-gen [Trj] virus?
Written by Robert Bailey

Spectating the Trojan:MSIL/FormBook.ADI!MTB detection usually means that your computer is in big danger. This computer virus can correctly be identified as ransomware – type of malware which encrypts your files and asks you to pay for their decryption. Deleteing it requires some specific steps that must be done as soon as possible.

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Trojan:MSIL/FormBook.ADI!MTB detection is a malware detection you can spectate in your computer. It usually shows up after the preliminary activities on your PC – opening the suspicious email messages, clicking the banner in the Web or setting up the program from untrustworthy sources. From the second it appears, you have a short time to act until it starts its destructive activity. And be sure – it is much better not to wait for these malicious effects.

What is Trojan:MSIL/FormBook.ADI!MTB virus?

Trojan:MSIL/FormBook.ADI!MTB is ransomware-type malware. It looks for the files on your computer, encrypts it, and after that asks you to pay the ransom for receiving the decryption key. Besides making your files inaccessible, this malware also does a lot of harm to your system. It changes the networking settings in order to avoid you from looking for the elimination guidelines or downloading the antivirus. In some cases, Trojan:MSIL/FormBook.ADI!MTB can additionally stop the setup of anti-malware programs.

Trojan:MSIL/FormBook.ADI!MTB Summary

In summary, Trojan:MSIL/FormBook.ADI!MTB malware activities in the infected computer are next:

  • CAPE extracted potentially suspicious content;
  • Authenticode signature is invalid;
  • Binary compilation timestomping detected;
  • Ciphering the files kept on the target’s disk — so the victim cannot use these documents;
  • Blocking the launching of .exe files of anti-virus programs
  • Blocking the launching of installation files of anti-malware apps

Ransomware has been a major problem for the last 4 years. It is challenging to imagine a more harmful virus for both individual users and companies. The algorithms used in Trojan:MSIL/FormBook.ADI!MTB (typically, RHA-1028 or AES-256) are not hackable – with minor exclusions. To hack it with a brute force, you need to have a lot more time than our galaxy already exists, and possibly will exist. However, that malware does not do all these unpleasant things instantly – it can require up to a few hours to cipher all of your documents. Hence, seeing the Trojan:MSIL/FormBook.ADI!MTB detection is a clear signal that you need to begin the removal process.

Where did I get the Trojan:MSIL/FormBook.ADI!MTB?

General ways of Trojan:MSIL/FormBook.ADI!MTB injection are usual for all other ransomware variants. Those are one-day landing web pages where victims are offered to download and install the free software, so-called bait emails and hacktools. Bait emails are a quite new method in malware spreading – you receive the e-mail that imitates some standard notifications about deliveries or bank service conditions updates. Within the email, there is an infected MS Office file, or a link which leads to the exploit landing site.

Malicious email spam

Malicious email message. This one tricks you to open the phishing website.

Preventing it looks pretty uncomplicated, but still demands a lot of focus. Malware can hide in different spots, and it is far better to prevent it even before it gets into your PC than to trust in an anti-malware program. Essential cybersecurity awareness is just an important thing in the modern-day world, even if your relationship with a PC remains on YouTube videos. That can keep you a great deal of money and time which you would spend while searching for a fix guide.

Trojan:MSIL/FormBook.ADI!MTB malware technical details

File Info:

name: 5D57CBFD68A82BBB6236.mlw
path: /opt/CAPEv2/storage/binaries/df757778956e59dda13ed21877d89a7b55902f285c5958d248300e2e9cfffb83
crc32: 1F07FE05
md5: 5d57cbfd68a82bbb62364a77919a6fb9
sha1: 69b00db4927791c0c19e038fa8d0d520ca475e6b
sha256: df757778956e59dda13ed21877d89a7b55902f285c5958d248300e2e9cfffb83
sha512: 1bb81433f5d07f191c9325461f646af20ebc0cec1de5e8ebd9b0cb18332e54ec90cb737dcaa78a230f00de59b312a41778e54d02cf967f2d5f528cef5015503b
ssdeep: 12288:kR+J2umzmcvSuYoZljMocNsfB6M3ePdH8KfNT2aoxzB:4n7zmxOoS6MqdH8cT2aoBB
type: PE32 executable (GUI) Intel 80386, for MS Windows
tlsh: T1C4056BBA21D58107E8253175C897D1F32AFBAE602121D5CB6AD72F6FBC411BF911338A
sha3_384: c8f04ba010f3cd38efd3a4f7cad9d58b2a93cd64f212d85d3ef5135e6dbaf9e6e6b1ab2edccf194dfc1611bdbcf2ba12
ep_bytes: ff250020400000000000000000000000
timestamp: 2050-12-15 08:42:06

Version Info:

Translation: 0x0000 0x04b0
FileDescription: Savas.Desktop
InternalName: NsLg.exe
LegalCopyright: Copyright © 2021
OriginalFilename: NsLg.exe
ProductName: Savas.Desktop
Assembly Version:

Trojan:MSIL/FormBook.ADI!MTB also known as:

McAfeeRDN/Generic PWS.y
K7AntiVirusTrojan ( 005995011 )
K7GWTrojan ( 005995011 )
Elasticmalicious (high confidence)
ESET-NOD32a variant of MSIL/Kryptik.AGSP
CynetMalicious (score: 100)
AvastWin32:PWSX-gen [Trj]
EmsisoftGen:Variant.Ransom.Loki.5691 (B)
RisingMalware.Obfus/MSIL@AI.100 (RDM.MSIL2:ovzayCI4KO2IglvhD6YZwQ)
SentinelOneStatic AI – Suspicious PE
AVGWin32:PWSX-gen [Trj]
CrowdStrikewin/malicious_confidence_100% (W)

How to remove Trojan:MSIL/FormBook.ADI!MTB?

Trojan:MSIL/FormBook.ADI!MTB malware is very difficult to eliminate by hand. It puts its documents in multiple locations throughout the disk, and can recover itself from one of the parts. In addition, a range of alterations in the registry, networking setups and Group Policies are quite hard to identify and return to the initial. It is much better to make use of a specific program – exactly, an anti-malware tool. GridinSoft Anti-Malware will fit the most ideal for virus removal goals.

Remove Trojan:MSIL/FormBook.ADI!MTB with Gridinsoft Anti-Malware

We have also been using this software on our systems ever since, and it has always been successful in detecting viruses. It has blocked the most common Trojans as shown from our tests with the software, and we assure you that it can remove Trojan:MSIL/FormBook.ADI!MTB as well as other malware hiding on your computer.

Gridinsoft Anti-Malware - Main Screen

To use Gridinsoft for remove malicious threats, follow the steps below:

1. Begin by downloading Gridinsoft Anti-Malware, accessible via the blue button below or directly from the official website

2.Once the Gridinsoft setup file (setup-gridinsoft-fix.exe) is downloaded, execute it by clicking on the file.


3.Follow the installation setup wizard's instructions diligently.

Gridinsoft Setup Wizard

4. Access the "Scan Tab" on the application's start screen and launch a comprehensive "Full Scan" to examine your entire computer. This inclusive scan encompasses the memory, startup items, the registry, services, drivers, and all files, ensuring that it detects malware hidden in all possible locations.

Scan for Trojan:MSIL/FormBook.ADI!MTB Trojans

Be patient, as the scan duration depends on the number of files and your computer's hardware capabilities. Use this time to relax or attend to other tasks.

5. Upon completion, Anti-Malware will present a detailed report containing all the detected malicious items and threats on your PC.

The Trojan:MSIL/FormBook.ADI!MTB was Found

6. Select all the identified items from the report and confidently click the "Clean Now" button. This action will safely remove the malicious files from your computer, transferring them to the secure quarantine zone of the anti-malware program to prevent any further harmful actions.

The Trojan:MSIL/FormBook.ADI!MTB has been removed

8. If prompted, restart your computer to finalize the full system scan procedure. This step is crucial to ensure thorough removal of any remaining threats. After the restart, Gridinsoft Anti-Malware will open and display a message confirming the completion of the scan.

Remember Gridinsoft offers a 6-day free trial. This means you can take advantage of the trial period at no cost to experience the full benefits of the software and prevent any future malware infections on your system. Embrace this opportunity to fortify your computer's security without any financial commitment.

Trojan Killer for “Trojan:MSIL/FormBook.ADI!MTB” removal on locked PC

In situations where it becomes impossible to download antivirus applications directly onto the infected computer due to malware blocking access to websites, an alternative solution is to utilize the Trojan Killer application.

Trojan Killer - Main View

There is a really little number of security tools that are able to be set up on the USB drives, and antiviruses that can do so in most cases require to obtain quite an expensive license. For this instance, I can recommend you to use another solution of GridinSoft - Trojan Killer Portable. It has a 14-days cost-free trial mode that offers the entire features of the paid version. This term will definitely be 100% enough to wipe malware out.

Trojan Killer is a valuable tool in your cybersecurity arsenal, helping you to effectively remove malware from infected computers. Now, we will walk you through the process of using Trojan Killer from a USB flash drive to scan and remove malware on an infected PC. Remember, always obtain permission to scan and remove malware from a computer that you do not own.

Step 1: Download & Install Trojan Killer on a Clean Computer:

1. Go to the official GridinSoft website ( and download Trojan Killer to a computer that is not infected.

Download Trojan Killer

2. Insert a USB flash drive into this computer.

3. Install Trojan Killer to the "removable drive" following the on-screen instructions.

Install Trojan Killer to Removable Drive

4. Once the installation is complete, launch Trojan Killer.

Step 2: Update Signature Databases:

5. After launching Trojan Killer, ensure that your computer is connected to the Internet.

6. Click "Update" icon to download the latest signature databases, which will ensure the tool can detect the most recent threats.

Click Update Button

Step 3: Scan the Infected PC:

7. Safely eject the USB flash drive from the clean computer.

8. Boot the infected computer to the Safe Mode.

9. Insert the USB flash drive.

10. Run tk.exe

11. Once the program is open, click on "Full Scan" to begin the malware scanning process.

Searching Trojan:MSIL/FormBook.ADI!MTB Virus

Step 4: Remove Found Threats:

12. After the scan is complete, Trojan Killer will display a list of detected threats.

Searching Trojan:MSIL/FormBook.ADI!MTB Finished

13. Click on "Cure PC!" to remove the identified malware from the infected PC.

14. Follow any additional on-screen prompts to complete the removal process.

Restart needed

Step 5: Restart Your Computer:

15. Once the threats are removed, click on "Restart PC" to reboot your computer.

16. Remove the USB flash drive from the infected computer.

Congratulations on effectively removing Trojan:MSIL/FormBook.ADI!MTB and the concealed threats from your computer! You can now have peace of mind, knowing that they won't resurface again. Thanks to Gridinsoft's capabilities and commitment to cybersecurity, your system is now protected.

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About the author

Robert Bailey

I'm Robert Bailey, a passionate Security Engineer with a deep fascination for all things related to malware, reverse engineering, and white hat ethical hacking.

As a white hat hacker, I firmly believe in the power of ethical hacking to bolster security measures. By identifying vulnerabilities and providing solutions, I contribute to the proactive defense of digital infrastructures.

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