Written by Robert Bailey

What is VirTool:MSIL/CryptInject.CF!MTB infection?

In this article you will locate concerning the definition of VirTool:MSIL/CryptInject.CF!MTB as well as its negative impact on your computer. Such ransomware are a form of malware that is clarified by online scams to require paying the ransom money by a victim.

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In the majority of the instances, VirTool:MSIL/CryptInject.CF!MTB ransomware will advise its targets to launch funds move for the objective of reducing the effects of the modifications that the Trojan infection has actually presented to the victim’s tool.

VirTool:MSIL/CryptInject.CF!MTB Summary

These modifications can be as complies with:

  • The binary likely contains encrypted or compressed data.;
  • Network activity detected but not expressed in API logs;
  • Ciphering the documents located on the sufferer’s disk drive — so the sufferer can no more utilize the data;
  • Preventing normal access to the target’s workstation;


One of the most common channels through which VirTool:MSIL/CryptInject.CF!MTB Ransomware are infused are:

  • By methods of phishing e-mails;
  • As a repercussion of customer ending up on a resource that hosts a malicious software program;

As soon as the Trojan is efficiently infused, it will certainly either cipher the information on the target’s PC or stop the tool from operating in a proper fashion – while likewise placing a ransom money note that points out the need for the sufferers to effect the payment for the objective of decrypting the papers or recovering the data system back to the preliminary problem. In most instances, the ransom note will come up when the customer restarts the COMPUTER after the system has currently been damaged.

VirTool:MSIL/CryptInject.CF!MTB distribution channels.

In various edges of the world, VirTool:MSIL/CryptInject.CF!MTB expands by leaps and also bounds. Nevertheless, the ransom notes and also methods of extorting the ransom money quantity may differ depending on certain regional (local) settings. The ransom money notes and also tricks of obtaining the ransom money quantity may differ depending on specific neighborhood (regional) settings.

Ransomware injection

For instance:

    Faulty signals concerning unlicensed software program.

    In specific areas, the Trojans frequently wrongfully report having actually discovered some unlicensed applications allowed on the sufferer’s device. The sharp then requires the individual to pay the ransom.

    Faulty statements about illegal content.

    In countries where software application piracy is much less popular, this technique is not as efficient for the cyber frauds. Conversely, the VirTool:MSIL/CryptInject.CF!MTB popup alert may incorrectly declare to be deriving from a police institution and also will report having situated kid pornography or other prohibited information on the device.

    VirTool:MSIL/CryptInject.CF!MTB popup alert might falsely declare to be deriving from a law enforcement organization and also will certainly report having situated child porn or other prohibited data on the device. The alert will in a similar way contain a requirement for the customer to pay the ransom.

Technical details

File Info:

crc32: 70239113
md5: 3adfaee713f8c9e90cc0f83b90ff2795
name: 3ADFAEE713F8C9E90CC0F83B90FF2795.mlw
sha1: fecde1c453d3b80746be7f54700b8f7ca13f04f0
sha256: bd5a384661bf6334cd47166e10bedcd34cdcd770e5ca78d33d0a66f6ad014c18
sha512: 97099a99bad5d6769064be13c1b6a12e3bec127b1b2f063185fb0bbfa9287c4b3e36ebec041ae0547c7593336228e5c14d7e43c9fb1d6533e49c035052cf09bb
ssdeep: 6144:ewbFmJPYI5hzRg/74zOasG0XAcAOQbz+Hxmkq:zYdYInVoNh3A5baN
type: PE32 executable (GUI) Intel 80386 Mono/.Net assembly, for MS Windows

Version Info:

Translation: 0x0000 0x04b0
LegalCopyright: W3ZY368L5S67KWB
Assembly Version:
InternalName: StubGRA.exe
CompanyName: CJCA0F4ATOP7XN8
LegalTrademarks: DPBCLT
Comments: 59I902G0F0SKOQ
ProductName: M84Q9TYB7772M2
FileDescription: G1QF8LAI7BHXAN
OriginalFilename: StubGRA.exe

VirTool:MSIL/CryptInject.CF!MTB also known as:

GridinSoft Trojan.Ransom.Gen
K7AntiVirus Trojan ( 005360841 )
Lionic Trojan.MSIL.Blocker.4!c
Elastic malicious (high confidence)
DrWeb Trojan.Nanocore.24
MicroWorld-eScan Gen:Trojan.Mardom.PN.14
ALYac Gen:Trojan.Mardom.PN.14
Malwarebytes Malware.AI.2600190114
CrowdStrike win/malicious_confidence_100% (W)
Alibaba Ransom:MSIL/CryptInject.f0d634f3
K7GW Trojan ( 005360841 )
Cybereason malicious.713f8c
Symantec ML.Attribute.HighConfidence
ESET-NOD32 a variant of MSIL/Kryptik.ORX
APEX Malicious
Avast Win32:Malware-gen
Cynet Malicious (score: 100)
Kaspersky HEUR:Trojan-Ransom.MSIL.Blocker.gen
BitDefender Gen:Trojan.Mardom.PN.14
NANO-Antivirus Trojan.Win32.Ransom.fkdltr
Tencent Msil.Trojan.Blocker.Lnox
Ad-Aware Gen:Trojan.Mardom.PN.14
Sophos Mal/Generic-S
Comodo Malware@#21vl1zsxv10it
BitDefenderTheta AI:Packer.8AC70CB31F
VIPRE Trojan.Win32.Generic!BT
TrendMicro Ransom_Blocker.R002C0DGO21
McAfee-GW-Edition Packed-FKB!3ADFAEE713F8
Emsisoft Gen:Trojan.Mardom.PN.14 (B)
SentinelOne Static AI – Malicious PE
Avira TR/Dropper.Gen
eGambit Unsafe.AI_Score_99%
Antiy-AVL Trojan/Generic.ASMalwS.296B4CF
Microsoft VirTool:MSIL/CryptInject.CF!MTB
Arcabit Trojan.Mardom.PN.14
ZoneAlarm HEUR:Trojan-Ransom.MSIL.Blocker.gen
GData Gen:Trojan.Mardom.PN.14
McAfee Packed-FKB!3ADFAEE713F8
MAX malware (ai score=100)
VBA32 TScope.Trojan.MSIL
Panda Trj/CI.A
TrendMicro-HouseCall Ransom_Blocker.R002C0DGO21
Yandex Trojan.Kryptik!LwCwpWyEALY
Ikarus Trojan.MSIL.Crypt
Fortinet MSIL/GenKryptik.CBRZ!tr
AVG Win32:Malware-gen

How to remove VirTool:MSIL/CryptInject.CF!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 VirTool:MSIL/CryptInject.CF!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 VirTool:MSIL/CryptInject.CF!MTB you can always ask me in the comments for getting help.

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  1. GridinSoft Anti-Malware Review from HowToFix site:
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About the author

Robert Bailey

Security Engineer. Interested in malware, reverse engineering, white ethical hacking. I like coding, travelling and bikes.

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