Written by Robert Bailey

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

In this post you will discover regarding the meaning of Trojan:Win32/CryptInject.A!MTB as well as its unfavorable influence on your computer. Such ransomware are a kind of malware that is specified by on-line scams to demand paying the ransom by a sufferer.

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In the majority of the instances, Trojan:Win32/CryptInject.A!MTB virus will instruct its targets to launch funds transfer for the objective of counteracting the amendments that the Trojan infection has presented to the victim’s device.

Trojan:Win32/CryptInject.A!MTB Summary

These alterations can be as follows:

  • Executable code extraction;
  • Possible date expiration check, exits too soon after checking local time;
  • Creates RWX memory;
  • Attempts to connect to a dead IP:Port (7 unique times);
  • Starts servers listening on;
  • Expresses interest in specific running processes;
  • Reads data out of its own binary image;
  • A process created a hidden window;
  • Drops a binary and executes it;
  • HTTP traffic contains suspicious features which may be indicative of malware related traffic;
  • Performs some HTTP requests;
  • Looks up the external IP address;
  • Uses Windows utilities for basic functionality;
  • Checks for the presence of known windows from debuggers and forensic tools;
  • Crashed cuckoomon during analysis. Report this error to the Github repo.;
  • Steals private information from local Internet browsers;
  • Exhibits possible ransomware file modification behavior;
  • Writes a potential ransom message to disk;
  • Attempts to modify proxy settings;
  • Attempts to create or modify system certificates;
  • Uses suspicious command line tools or Windows utilities;
  • Ciphering the files found on the target’s disk drive — so the victim can no more make use of the information;
  • Preventing normal accessibility to the victim’s workstation;

Related domains: Win32:RansomX-gen [Ransom] Win32:RansomX-gen [Ransom] Win32:RansomX-gen [Ransom] Win32:RansomX-gen [Ransom] Win32:RansomX-gen [Ransom] Win32:RansomX-gen [Ransom] Win32:RansomX-gen [Ransom] Win32:RansomX-gen [Ransom] Win32:RansomX-gen [Ransom] Win32:RansomX-gen [Ransom] Win32:RansomX-gen [Ransom] Win32:RansomX-gen [Ransom]


The most normal channels through which Trojan:Win32/CryptInject.A!MTB Trojans are infused are:

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

As quickly as the Trojan is effectively infused, it will either cipher the information on the sufferer’s computer or prevent the gadget from operating in a correct manner – while likewise putting a ransom note that mentions the need for the victims to effect the settlement for the function of decrypting the papers or bring back the data system back to the first problem. In the majority of circumstances, the ransom note will come up when the customer restarts the COMPUTER after the system has currently been damaged.

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

In numerous corners of the world, Trojan:Win32/CryptInject.A!MTB grows by leaps as well as bounds. However, the ransom notes and methods of obtaining the ransom money amount may vary depending upon specific neighborhood (local) settings. The ransom money notes and also techniques of extorting the ransom money quantity may vary depending on particular neighborhood (regional) settings.

Ransomware injection

For example:

    Faulty signals regarding unlicensed software program.

    In certain locations, the Trojans often wrongfully report having actually found some unlicensed applications enabled on the target’s device. The sharp after that requires the user to pay the ransom money.

    Faulty statements concerning unlawful web content.

    In countries where software application piracy is much less preferred, this approach is not as effective for the cyber fraudulences. Additionally, the Trojan:Win32/CryptInject.A!MTB popup alert may wrongly declare to be originating from a law enforcement organization and also will certainly report having located child pornography or various other illegal data on the device.

    Trojan:Win32/CryptInject.A!MTB popup alert might wrongly declare to be obtaining from a law enforcement organization and will certainly report having located kid pornography or various other illegal information on the tool. The alert will in a similar way have a requirement for the customer to pay the ransom.

Technical details

File Info:

crc32: 3F967BDC
md5: e51038570d307a474c11dad48a5503c2
name: E51038570D307A474C11DAD48A5503C2.mlw
sha1: ad6d23e0da5e05cac857111ce376d8cf6b46930a
sha256: 65624215e9613e4922c32eb184b75ea1334a6a2fa32d45ef535918ef7b9a9eca
sha512: f8c918300375d63b46cc580827fe0bbdcaafd2ea51fffc134a10b97f8791d63da3063a4ba1cf6eb381ec63e41c4248bc354743348c9da8ece475f8b0eb3c5cd5
ssdeep: 98304:xmCvLUBsgyLBZwCOMWjybulF9e+9SYQKYQddJopOQAj1xS:xPLUCgyt2CP2F97QsJoUrS
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

LegalCopyright: Copyright (c) 1999-2018 Igor Pavlov
InternalName: 7zS.sfx
FileVersion: 19.00
CompanyName: Igor Pavlov
ProductName: 7-Zip
ProductVersion: 19.00
FileDescription: 7z Setup SFX
OriginalFilename: 7zS.sfx.exe
Translation: 0x0409 0x04b0

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

GridinSoft Trojan.Ransom.Gen
DrWeb Trojan.Siggen14.58048
CAT-QuickHeal Trojan.Riskware
ALYac Gen:Variant.Jaik.45703
Cylance Unsafe
Alibaba TrojanPSW:MSIL/Disbuk.ddff93da
ESET-NOD32 multiple detections
Avast Win32:RansomX-gen [Ransom]
ClamAV Win.Packed.Barys-9859531-0
Kaspersky UDS:Trojan-PSW.Win32.Disbuk.ade
BitDefender Gen:Variant.Jaik.45703
MicroWorld-eScan Gen:Variant.Jaik.45703
Ad-Aware Gen:Variant.Jaik.45703
Sophos ML/PE-A
BitDefenderTheta Gen:NN.ZedlaF.34058.n88baOE@FOp
McAfee-GW-Edition RDN/
FireEye Gen:Variant.Jaik.45703
Emsisoft Gen:Variant.Jaik.45703 (B)
Microsoft Trojan:Win32/CryptInject.A!MTB
Arcabit Trojan.Jaik.DB287
GData Gen:Variant.Jaik.45703
McAfee Artemis!E51038570D30
MAX malware (ai score=86)
VBA32 BScope.Adware.SpeedBit
Rising Trojan.Kryptik!1.D82C (CLASSIC)
Ikarus Trojan.Win32
Fortinet W32/BSE.4Q7Q!tr
AVG Win32:RansomX-gen [Ransom]
Qihoo-360 HEUR/QVM41.1.2676.Malware.Gen

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