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

What is Ransom:MSIL/BearCrypt!MSR infection?

In this short article you will discover about the interpretation of Ransom:MSIL/BearCrypt!MSR and also its unfavorable effect on your computer system. Such ransomware are a form of malware that is elaborated by on-line frauds to demand paying the ransom by a sufferer.

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Most of the cases, Ransom:MSIL/BearCrypt!MSR virus will advise its targets to launch funds transfer for the objective of reducing the effects of the amendments that the Trojan infection has presented to the victim’s gadget.

Ransom:MSIL/BearCrypt!MSR Summary

These modifications can be as adheres to:

  • 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.
  • Steals private information from local Internet browsers;
  • Exhibits possible ransomware file modification behavior;
  • 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.
  • Appends a known multi-family ransomware file extension to files that have been encrypted;
  • Anomalous binary characteristics. This is a way of hiding virus’ code from antiviruses and virus’ analysts.
  • Ciphering the documents situated on the target’s disk drive — so the sufferer can no more make use of the data;
  • Preventing normal accessibility to the target’s workstation. This is the typical behavior of a virus called locker. It blocks access to the computer until the victim pays the ransom.


The most regular channels where Ransom:MSIL/BearCrypt!MSR Trojans 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 consequence of individual winding up on a resource that holds a harmful software application;

As soon as the Trojan is efficiently injected, it will either cipher the information on the target’s computer or stop the gadget from working in a proper fashion – while additionally putting a ransom note that points out the requirement for the victims to effect the repayment for the objective of decrypting the documents or bring back the documents system back to the first condition. In many instances, the ransom note will turn up when the customer restarts the COMPUTER after the system has currently been harmed.

Ransom:MSIL/BearCrypt!MSR circulation channels.

In different corners of the globe, Ransom:MSIL/BearCrypt!MSR expands by leaps and bounds. Nonetheless, the ransom notes and tricks of obtaining the ransom money quantity might vary relying on specific regional (regional) settings. The ransom money notes and methods of obtaining the ransom money amount may vary depending on particular neighborhood (local) setups.

Ransomware injection

As an example:

    Faulty alerts concerning unlicensed software program.

    In certain areas, the Trojans commonly wrongfully report having discovered some unlicensed applications allowed on the victim’s tool. The alert then demands the individual to pay the ransom.

    Faulty statements regarding illegal material.

    In countries where software application piracy is much less prominent, this method is not as effective for the cyber scams. Alternatively, the Ransom:MSIL/BearCrypt!MSR popup alert might wrongly assert to be stemming from a police establishment and will report having located kid porn or various other unlawful information on the gadget.

    Ransom:MSIL/BearCrypt!MSR popup alert might falsely claim to be acquiring from a legislation enforcement institution and also will certainly report having situated youngster pornography or other illegal data on the tool. The alert will likewise consist of a need for the user to pay the ransom.

Technical details

File Info:

crc32: B5485A09
md5: 6fae3855850e5a86cae9a627423e843e
name: 6FAE3855850E5A86CAE9A627423E843E.mlw
sha1: a4978115adc0c05868b5a3f0ecfb7ea4b4e85600
sha256: ad02bc3e964a414944bcc2cb06654decda7ac176ca2de6b025d7ff66565364d6
sha512: 065f4ca7b732a91348f9e82e3699be4a9a48e0f5b40c4d1f24e9cd3d31ef6dbf0d9f7d70f39c78ddc810ca924c0cea11eb1462e2a75d841d861b0e2996d5405a
ssdeep: 192:Z31AkL4lzYOodIMiztUY7RJHMpZVW7tuJWiNKmG:ZrLEzYo/oHVU5iNKm
type: PE32 executable (console) Intel 80386 Mono/.Net assembly, for MS Windows

Version Info:

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

Ransom:MSIL/BearCrypt!MSR also known as:

GridinSoft Trojan.Ransom.Gen
K7AntiVirus Riskware ( 0040eff71 )
Elastic malicious (high confidence)
DrWeb Trojan.MulDrop11.55089
Cynet Malicious (score: 99)
CAT-QuickHeal Trojan.MsilFC.S13571531
ALYac Trojan.Ransom.Filecoder
Cylance Unsafe
Zillya Trojan.Filecoder.Win32.13720
Sangfor Ransom.MSIL.BearCrypt.MSR
CrowdStrike win/malicious_confidence_100% (W)
Alibaba Ransom:MSIL/BearCrypt.ee2086f2
K7GW Riskware ( 0040eff71 )
Cybereason malicious.5850e5
ESET-NOD32 MSIL/Filecoder.ZE
Avast Win32:Trojan-gen
Kaspersky HEUR:Trojan-Ransom.MSIL.Crypren.gen
BitDefender Trojan.Ransomware.GenericKDS.33652255
NANO-Antivirus Trojan.Win32.Ransom.imqveg
MicroWorld-eScan Trojan.Ransomware.GenericKDS.33652255
Tencent Malware.Win32.Gencirc.113aa936
Ad-Aware Trojan.Ransomware.GenericKDS.33652255
Sophos Mal/Generic-S
F-Secure Trojan.TR/Ransom.ewerz
VIPRE Trojan.Win32.Generic!BT
TrendMicro Ransom.MSIL.BEARCRYPT.A
McAfee-GW-Edition Artemis!Trojan
FireEye Generic.mg.6fae3855850e5a86
Emsisoft Trojan.Ransomware.GenericKDS.33652255 (B)
Jiangmin Trojan.MSIL.onau
Avira TR/Ransom.ewerz
Antiy-AVL Trojan/Generic.ASMalwS.303A558
Microsoft Ransom:MSIL/BearCrypt!MSR
Arcabit Trojan.Ransomware.GenericS.D2017E1F
AegisLab Trojan.Multi.Generic.4!c
ZoneAlarm HEUR:Trojan-Ransom.MSIL.Crypren.gen
GData Trojan.Ransomware.GenericKDS.33652255
AhnLab-V3 Malware/Win32.RL_Ransom.C4085570
McAfee Artemis!6FAE3855850E
MAX malware (ai score=100)
VBA32 TScope.Trojan.MSIL
Malwarebytes Ransom.FileCryptor
Panda Trj/GdSda.A
TrendMicro-HouseCall Ransom.MSIL.BEARCRYPT.A
Yandex Trojan.Filecoder!gfbnb/TMuzE
Ikarus Trojan-Ransom.FileCrypter
MaxSecure Trojan.Malware.73710288.susgen
Fortinet MSIL/Filecoder.B728!tr.ransom
AVG Win32:Trojan-gen
Paloalto generic.ml

How to remove Ransom:MSIL/BearCrypt!MSR virus?

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/BearCrypt!MSR 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:

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Full version of GridinSoft Anti-Malware

If the guide doesn’t help you to remove Ransom:MSIL/BearCrypt!MSR 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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