Written by Robert Bailey

What is Trojan:Win32/CryptInject.YAA!MTB infection?

In this post you will discover concerning the interpretation of Trojan:Win32/CryptInject.YAA!MTB and also its adverse influence on your computer system. Such ransomware are a type of malware that is specified by on the internet frauds to require paying the ransom by a sufferer.

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In the majority of the cases, Trojan:Win32/CryptInject.YAA!MTB ransomware will advise its sufferers to launch funds move for the purpose of neutralizing the changes that the Trojan infection has introduced to the victim’s device.

Trojan:Win32/CryptInject.YAA!MTB Summary

These alterations can be as follows:

  • Executable code extraction;
  • Creates RWX memory;
  • Unconventionial language used in binary resources: Rhaeto (Romance);
  • The binary likely contains encrypted or compressed data.;
  • Network activity detected but not expressed in API logs;
  • Ciphering the records found on the sufferer’s disk drive — so the victim can no more make use of the data;
  • Preventing normal access to the target’s workstation;


The most common channels where Trojan:Win32/CryptInject.YAA!MTB Trojans are infused are:

  • By means of phishing e-mails;
  • As a repercussion of individual winding up on a resource that organizes a harmful software program;

As quickly as the Trojan is successfully infused, it will either cipher the data on the target’s PC or prevent the tool from operating in a proper way – while additionally placing a ransom money note that points out the requirement for the victims to effect the repayment for the objective of decrypting the papers or recovering the documents system back to the initial condition. In the majority of circumstances, the ransom note will come up when the client restarts the PC after the system has actually currently been damaged.

Trojan:Win32/CryptInject.YAA!MTB distribution channels.

In different corners of the world, Trojan:Win32/CryptInject.YAA!MTB grows by jumps and bounds. Nevertheless, the ransom money notes as well as tricks of extorting the ransom amount might differ depending upon specific regional (local) settings. The ransom notes and also techniques of extorting the ransom amount may vary depending on specific local (regional) settings.

Ransomware injection

As an example:

    Faulty notifies regarding unlicensed software application.

    In specific locations, the Trojans typically wrongfully report having identified some unlicensed applications enabled on the victim’s gadget. The sharp then demands the individual to pay the ransom money.

    Faulty declarations regarding unlawful web content.

    In countries where software program piracy is less preferred, this approach is not as reliable for the cyber scams. Conversely, the Trojan:Win32/CryptInject.YAA!MTB popup alert might incorrectly assert to be stemming from a law enforcement organization and also will certainly report having situated kid pornography or other prohibited data on the tool.

    Trojan:Win32/CryptInject.YAA!MTB popup alert might falsely assert to be deriving from a regulation enforcement establishment as well as will report having located kid pornography or other prohibited data on the device. The alert will in a similar way consist of a demand for the individual to pay the ransom.

Technical details

File Info:

crc32: B0BE33AF
md5: dd11f4bb5616de83afa1d5e353dad9aa
name: DD11F4BB5616DE83AFA1D5E353DAD9AA.mlw
sha1: 4bcc052c9b8c0c9235633b69d0cb53a943cef7bb
sha256: 0a58ec30295f49522bb3f482ade82337e088d01dfb5f1c8a27024402202ca892
sha512: 721e1332a48938b219bf79d79522a12351bc0d9e5c2be8adad7585da31dcf63f481a7a8789273c3c6ae97c7835e571439968cddfb044532d23da474563f6a9b3
ssdeep: 6144:ix6nSsJgaowzp8/p5JSU29dWteliqvLGlupLHpSCrhHiceDiqfBP9DaOzQa:iYSIowi/nJU9dWIlB9pDpNKiyP8OzQa
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

InternalName: gyukduyk.exe
Translation: 0x0761 0x04c4

Trojan:Win32/CryptInject.YAA!MTB also known as:

GridinSoft Trojan.Ransom.Gen
Bkav W32.AIDetect.malware1
K7AntiVirus Trojan ( 00554fd81 )
Elastic malicious (high confidence)
DrWeb Trojan.Encoder.28004
ClamAV Win.Packed.Generic-9853074-1
CAT-QuickHeal Ransom.Stop.MP4
ALYac Trojan.Ransom.Sodinokibi
Malwarebytes Trojan.MalPack.GS
Zillya Trojan.Kryptik.Win32.1696466
Sangfor Trojan.Win32.Save.a
CrowdStrike win/malicious_confidence_100% (W)
Alibaba Trojan:Win32/CryptInject.4a3209cc
K7GW Trojan ( 00554fd81 )
Cybereason malicious.b5616d
Cyren W32/S-d71fed49!Eldorado
Symantec Packed.Generic.525
ESET-NOD32 a variant of Win32/Kryptik.GVFV
APEX Malicious
Avast Win32:Trojan-gen
Cynet Malicious (score: 100)
Kaspersky HEUR:Trojan.Win32.Generic
BitDefender Trojan.BrsecmonE.1
NANO-Antivirus Trojan.Win32.Encoder.fvcxvk
MicroWorld-eScan Trojan.BrsecmonE.1
Tencent Win32.Trojan.Generic.Wrpx
Ad-Aware Trojan.BrsecmonE.1
Sophos ML/PE-A + Mal/GandCrab-G
BitDefenderTheta Gen:NN.ZexaF.34236.xy0@auRnC5fG
VIPRE Trojan.Win32.Generic!BT
TrendMicro Trojan.Win32.SODINOK.SM.hp
McAfee-GW-Edition BehavesLike.Win32.Generic.fh
Emsisoft Trojan.BrsecmonE.1 (B)
SentinelOne Static AI – Malicious PE
Avira HEUR/AGEN.1107506
Antiy-AVL Trojan/Generic.ASMalwS.2C2B3AB
Microsoft Trojan:Win32/CryptInject.YAA!MTB
ZoneAlarm HEUR:Trojan.Win32.Generic
GData Trojan.BrsecmonE.1
AhnLab-V3 Trojan/Win32.MalPe.R285134
Acronis suspicious
McAfee Artemis!DD11F4BB5616
MAX malware (ai score=82)
VBA32 BScope.Trojan.Wacatac
Panda Trj/GdSda.A
TrendMicro-HouseCall Trojan.Win32.SODINOK.SM.hp
Rising Trojan.Kryptik!1.BAFA (CLASSIC)
Yandex Trojan.Agent!nFGDEPTL6xo
Ikarus Trojan.Win32.Midrami
MaxSecure Ransomeware.CRAB.gen
Fortinet W32/Kryptik.GVOI!tr
AVG Win32:Trojan-gen

How to remove Trojan:Win32/CryptInject.YAA!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 Trojan:Win32/CryptInject.YAA!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 Trojan:Win32/CryptInject.YAA!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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