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

What is Ransom:MSIL/Sapphire.DEA!MTB infection?

In this post you will certainly discover about the definition of Ransom:MSIL/Sapphire.DEA!MTB and also its unfavorable effect on your computer system. Such ransomware are a form of malware that is elaborated by online scams to require paying the ransom by a target.

GridinSoft Anti-Malware Review
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.
Gridinsoft Anti-Malware 6-day trial available.
EULA | Privacy Policy | 10% Off Coupon
Subscribe to our Telegram channel to be the first to know about news and our exclusive materials on information security.

In the majority of the instances, Ransom:MSIL/Sapphire.DEA!MTB ransomware will advise its sufferers to initiate funds move for the objective of neutralizing the changes that the Trojan infection has introduced to the sufferer’s tool.

Ransom:MSIL/Sapphire.DEA!MTB Summary

These adjustments can be as complies with:

  • Executable code extraction. Cybercriminals often use binary packers to hinder the malicious code from reverse-engineered by malware analysts. A packer is a tool that compresses, encrypts, and modifies a malicious file’s format. Sometimes packers can be used for legitimate ends, for example, to protect a program against cracking or copying.
  • Creates RWX memory. There is a security trick with memory regions that allows an attacker to fill a buffer with a shellcode and then execute it. Filling a buffer with shellcode isn’t a big deal, it’s just data. The problem arises when the attacker is able to control the instruction pointer (EIP), usually by corrupting a function’s stack frame using a stack-based buffer overflow, and then changing the flow of execution by assigning this pointer to the address of the shellcode.
  • Reads data out of its own binary image. The trick that allows the malware to read data out of your computer’s memory.

    Everything you run, type, or click on your computer goes through the memory. This includes passwords, bank account numbers, emails, and other confidential information. With this vulnerability, there is the potential for a malicious program to read that data.

  • The binary likely contains encrypted or compressed data. In this case, encryption is a way of hiding virus’ code from antiviruses and virus’ analysts.
  • 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 documents found on the sufferer’s hard disk drive — so the target can no more utilize the information;
  • Preventing regular accessibility to the sufferer’s workstation;


One of the most normal channels where Ransom:MSIL/Sapphire.DEA!MTB Ransomware are infused are:

  • By methods of phishing e-mails. Email phishing is a cyber attack that uses disguised email as a goal is to trick the recipient into believing that the message is something they want or need — a request from their bank, for instance, or a note from someone in their company — and to click a link for download a malware.
  • As a repercussion of customer winding up on a resource that hosts a harmful software;

As quickly as the Trojan is efficiently injected, it will either cipher the information on the victim’s PC or stop the gadget from operating in a proper fashion – while likewise putting a ransom money note that mentions the requirement for the victims to effect the payment for the objective of decrypting the documents or recovering the data system back to the first problem. In the majority of circumstances, the ransom note will certainly show up when the client restarts the PC after the system has actually already been harmed.

Ransom:MSIL/Sapphire.DEA!MTB circulation channels.

In different edges of the world, Ransom:MSIL/Sapphire.DEA!MTB expands by leaps as well as bounds. However, the ransom notes and techniques of obtaining the ransom amount may vary depending on particular neighborhood (local) settings. The ransom money notes and also tricks of extorting the ransom money amount might vary depending on certain neighborhood (regional) setups.

Ransomware injection

For instance:

    Faulty alerts regarding unlicensed software.

    In particular locations, the Trojans usually wrongfully report having actually detected some unlicensed applications made it possible for on the sufferer’s tool. The alert after that demands the user to pay the ransom money.

    Faulty declarations regarding unlawful content.

    In nations where software piracy is much less prominent, this method is not as effective for the cyber scams. Alternatively, the Ransom:MSIL/Sapphire.DEA!MTB popup alert may incorrectly assert to be deriving from a police establishment and also will report having situated child pornography or other unlawful data on the gadget.

    Ransom:MSIL/Sapphire.DEA!MTB popup alert might incorrectly assert to be obtaining from a law enforcement organization and also will certainly report having located kid pornography or various other illegal data on the device. The alert will likewise include a requirement for the user to pay the ransom money.

Technical details

File Info:

crc32: 0C28505E
md5: 11f3f3382708bc7235e4d72130bc16e4
name: 11F3F3382708BC7235E4D72130BC16E4.mlw
sha1: 165459297e28175a41690fcf5f71642018a438c4
sha256: 6b59edf464eaaeac4f4b2f43474e573694429f08c448db770618dc574b6171e8
sha512: 0ccfd5ddbdc2b86d39a4e18bfeb9ef29e5ea4f904aa40f148eb761aa82f8d45a7c6c81fce09dbd8b605a96446b0c8d5eea07496fb52053c6404c5f92e3a3de32
ssdeep: 12288:kpKKP6WRDw6hPGUIrPiqK6UIrPiqK9h4u0hyZPAF:49PFdw6h+xjJRxjJj8P6
type: PE32 executable (GUI) Intel 80386 Mono/.Net assembly, for MS Windows

Version Info:

Translation: 0x0000 0x04b0
LegalCopyright: Copyright xa9 2019
Assembly Version:
InternalName: GachaLife_Update.exe
ProductName: Sapphire Ransomware
FileDescription: Sapphire Ransomware
OriginalFilename: GachaLife_Update.exe

Ransom:MSIL/Sapphire.DEA!MTB also known as:

GridinSoft Trojan.Ransom.Gen
K7AntiVirus Trojan ( 00508ebf1 )
Elastic malicious (high confidence)
DrWeb Trojan.MulDrop12.44928
Cynet Malicious (score: 100)
ALYac Trojan.Ransom.Stupid
Cylance Unsafe
Zillya Trojan.Filecoder.Win32.14752
Sangfor Ransom.MSIL.Sapphire.DEA
CrowdStrike win/malicious_confidence_100% (W)
Alibaba Ransom:MSIL/Sapphire.d9ba6305
K7GW Trojan ( 00508ebf1 )
Cybereason malicious.82708b
Cyren W32/Ransom.BIYO-0802
Symantec Trojan Horse
ESET-NOD32 a variant of MSIL/Filecoder.FG
APEX Malicious
Avast Win32:Trojan-gen
Kaspersky HEUR:Trojan.MSIL.Diztakun.gen
BitDefender Gen:Heur.Ransom.MSIL.1
NANO-Antivirus Trojan.Win32.Diztakun.isgmja
MicroWorld-eScan Gen:Heur.Ransom.MSIL.1
Tencent Msil.Trojan.Diztakun.Dzah
Ad-Aware Gen:Heur.Ransom.MSIL.1
Sophos Mal/Generic-R + Mal/Genasom-A
BitDefenderTheta Gen:NN.ZemsilF.34738.Hm0@ai!N@5o
VIPRE Trojan.Win32.Generic!BT
TrendMicro Ransom.Win32.SAPPHIRE.A
McAfee-GW-Edition Artemis!Trojan
FireEye Gen:Heur.Ransom.MSIL.1
Emsisoft Gen:Heur.Ransom.MSIL.1 (B)
Jiangmin Trojan.MSIL.owdk
Webroot W32.Trojan.Gen
Avira TR/Ransom.nwhkp
eGambit Unsafe.AI_Score_96%
Microsoft Ransom:MSIL/Sapphire.DEA!MTB
AegisLab Trojan.MSIL.Diztakun.4!c
ZoneAlarm HEUR:Trojan.MSIL.Diztakun.gen
GData MSIL.Trojan-Ransom.FTSCoder.B
AhnLab-V3 Malware/Win32.RL_Generic.C4128976
McAfee Artemis!11F3F3382708
MAX malware (ai score=100)
VBA32 TScope.Trojan.MSIL
Malwarebytes Ransom.Sapphire
Panda Trj/GdSda.A
TrendMicro-HouseCall Ransom.Win32.SAPPHIRE.A
Yandex Trojan.Filecoder!ojAccl/5evU
Ikarus Trojan-Ransom.FileCrypter
Fortinet MSIL/Filecoder.FG!tr.ransom
AVG Win32:Trojan-gen
Paloalto generic.ml

How to remove Ransom:MSIL/Sapphire.DEA!MTB ransomware?

Unwanted application has ofter come with other viruses and spyware. This threats can steal account credentials, or crypt your documents for ransom.
Reasons why I would recommend GridinSoft1

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/Sapphire.DEA!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/Sapphire.DEA!MTB you can always ask me in the comments for getting help.

User Review
0 (0 votes)
Comments Rating 0 (0 reviews)


  1. GridinSoft Anti-Malware Review from HowToFix site: https://howtofix.guide/gridinsoft-anti-malware/
  2. More information about GridinSoft products: https://gridinsoft.com/comparison

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.

Leave a Reply