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

What is Ransom:MSIL/Avalon.DA!MTB infection?

In this article you will discover concerning the meaning of Ransom:MSIL/Avalon.DA!MTB and also its negative impact on your computer. Such ransomware are a form of malware that is clarified by online frauds to demand paying the ransom money by a victim.

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Most of the cases, Ransom:MSIL/Avalon.DA!MTB ransomware will certainly advise its victims to start funds transfer for the function of reducing the effects of the amendments that the Trojan infection has actually presented to the target’s device.

Ransom:MSIL/Avalon.DA!MTB Summary

These modifications can be as adheres to:

  • Network activity detected but not expressed in API logs. Microsoft built an API solution right into its Windows operating system it reveals network activity for all apps and programs that ran on the computer in the past 30-days. This malware hides network activity.
  • Ciphering the files found on the victim’s disk drive — so the victim can no longer make use of the data;
  • Preventing regular accessibility to the sufferer’s workstation;


One of the most typical networks whereby Ransom:MSIL/Avalon.DA!MTB Ransomware Trojans are infused are:

  • By ways of phishing emails;
  • As an effect of customer winding up on a resource that organizes a malicious software application;

As soon as the Trojan is successfully infused, it will either cipher the information on the sufferer’s PC or prevent the gadget from operating in a proper way – while likewise positioning a ransom money note that points out the requirement for the victims to effect the settlement for the objective of decrypting the papers or bring back the documents system back to the initial problem. In many instances, the ransom note will certainly show up when the customer reboots the COMPUTER after the system has actually already been harmed.

Ransom:MSIL/Avalon.DA!MTB circulation networks.

In numerous edges of the world, Ransom:MSIL/Avalon.DA!MTB expands by leaps and bounds. However, the ransom notes as well as techniques of obtaining the ransom money amount might differ relying on particular neighborhood (local) settings. The ransom notes and also tricks of extorting the ransom amount might differ depending on specific regional (local) settings.

Ransomware injection

For instance:

    Faulty alerts concerning unlicensed software.

    In particular locations, the Trojans typically wrongfully report having actually detected some unlicensed applications allowed on the sufferer’s gadget. The alert after that demands the individual to pay the ransom money.

    Faulty declarations regarding unlawful web content.

    In nations where software application piracy is less popular, this method is not as effective for the cyber fraudulences. Additionally, the Ransom:MSIL/Avalon.DA!MTB popup alert might falsely claim to be originating from a law enforcement establishment as well as will report having situated youngster porn or other unlawful data on the device.

    Ransom:MSIL/Avalon.DA!MTB popup alert might wrongly assert to be deriving from a regulation enforcement institution as well as will report having located kid porn or other illegal information on the device. The alert will similarly consist of a need for the user to pay the ransom.

Technical details

File Info:

crc32: 1CEB460E
md5: c882c6e26af05ca73838d65096893ae5
name: C882C6E26AF05CA73838D65096893AE5.mlw
sha1: 963d5616ccb2579925b96c7a6495a8c6254dfa8e
sha256: b6346f16706506e1618574a4e443a86b996c3396237373a1910ba605aedce1ac
sha512: bf7288e93632948dc4f5dae92842680aae8fda7a9f465e34a447624ecb688353473b6700a9dc4e6ab638698a6063ab56d52f511ea697cb630573224a4e07648a
ssdeep: 12288:2DJ+gsRL1cKNRbzZZEZ/h+A8fQmJ1jiS++NhuK93:Dx4KLwJ+A+Q6Zt93
type: PE32 executable (GUI) Intel 80386 Mono/.Net assembly, for MS Windows

Version Info:

Translation: 0x0000 0x04b0
LegalCopyright: Copyright Microsoft xa9 2016
Assembly Version:
InternalName: Critical update kdwau2.exe
CompanyName: Microsoft
LegalTrademarks: Microsoft
Comments: Critical update kdwau2
ProductName: Critical update kdwau2
FileDescription: Windows Update
OriginalFilename: Critical update kdwau2.exe

Ransom:MSIL/Avalon.DA!MTB also known as:

GridinSoft Trojan.Ransom.Gen
Elastic malicious (high confidence)
DrWeb Trojan.EncoderNET.31373
ALYac Generic.Ransom.Hiddentear.A.4E3DDDCF
Sangfor Trojan.Win32.Save.a
BitDefender Generic.Ransom.Hiddentear.A.4E3DDDCF
Cybereason malicious.26af05
ESET-NOD32 a variant of MSIL/Kryptik.MPL
APEX Malicious
Kaspersky HEUR:Trojan.MSIL.DelShad.gen
MicroWorld-eScan Generic.Ransom.Hiddentear.A.4E3DDDCF
Ad-Aware Generic.Ransom.Hiddentear.A.4E3DDDCF
BitDefenderTheta Gen:NN.ZemsilF.34692.Wm0@ay3hzIf
FireEye Generic.mg.c882c6e26af05ca7
Emsisoft Generic.Ransom.Hiddentear.A.4E3DDDCF (B)
eGambit Unsafe.AI_Score_99%
Microsoft Ransom:MSIL/Avalon.DA!MTB
Arcabit Generic.Ransom.Hiddentear.A.4E3DDDCF
GData Generic.Ransom.Hiddentear.A.4E3DDDCF
AhnLab-V3 Ransomware/Win.Avalon.C4493418
MAX malware (ai score=86)
Malwarebytes Malware.AI.3347089770
Panda Trj/GdSda.A
Rising Ransom.DaddyCrypt!1.D566 (CLASSIC)
Fortinet MSIL/Filecoder.TA!tr

How to remove Ransom:MSIL/Avalon.DA!MTB virus?

Unwanted application has ofter come with other viruses and spyware. This threats can steal account credentials, or crypt your documents for ransom.
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There is no better way to recognize, remove and prevent PC threats than to use an anti-malware software from GridinSoft2.

Download GridinSoft Anti-Malware.

You can download GridinSoft Anti-Malware by clicking the button below:

Run the setup file.

When setup file has finished downloading, double-click on the setup-antimalware-fix.exe file to install GridinSoft Anti-Malware on your system.

Run Setup.exe

An User Account Control asking you about to allow GridinSoft Anti-Malware to make changes to your device. So, you should click “Yes” to continue with the installation.

GridinSoft Anti-Malware Setup

Press “Install” button.

GridinSoft Anti-Malware Install

Once installed, Anti-Malware will automatically run.

GridinSoft Anti-Malware Splash-Screen

Wait for the Anti-Malware scan to complete.

GridinSoft Anti-Malware will automatically start scanning your system for Ransom:MSIL/Avalon.DA!MTB files and other malicious programs. This process can take a 20-30 minutes, so I suggest you periodically check on the status of the scan process.

GridinSoft Anti-Malware Scanning

Click on “Clean Now”.

When the scan has finished, you will see the list of infections that GridinSoft Anti-Malware has detected. To remove them click on the “Clean Now” button in right corner.

GridinSoft Anti-Malware Scan Result

Are Your Protected?

GridinSoft Anti-Malware will scan and clean your PC for free in the trial period. The free version offer real-time protection for first 2 days. If you want to be fully protected at all times – I can recommended you to purchase a full version:

Full version of GridinSoft

Full version of GridinSoft Anti-Malware

If the guide doesn’t help you to remove Ransom:MSIL/Avalon.DA!MTB you can always ask me in the comments for getting help.

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  1. GridinSoft Anti-Malware Review from HowToFix site: https://howtofix.guide/gridinsoft-anti-malware/
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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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