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

What is Trojan:Win32/Qbot.B!MTB infection?

In this article you will discover regarding the definition of Trojan:Win32/Qbot.B!MTB and also its adverse effect on your computer system. Such ransomware are a kind of malware that is specified by on-line scams to demand paying the ransom by a victim.

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Most of the situations, Trojan:Win32/Qbot.B!MTB virus will advise its targets to initiate funds transfer for the objective of neutralizing the changes that the Trojan infection has presented to the target’s device.

Trojan:Win32/Qbot.B!MTB Summary

These modifications can be as follows:

  • 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.
  • Presents an Authenticode digital signature;
  • 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.
  • A process attempted to delay the analysis task.;
  • 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.

  • A process created a hidden window;
  • Drops a binary and executes it. Trojan-Downloader installs itself to the system and waits until an Internet connection becomes available to connect to a remote server or website in order to download additional malware onto the infected computer.
  • Attempts to delete volume shadow copies;
  • Attempts to repeatedly call a single API many times in order to delay analysis time. This significantly complicates the work of the virus analyzer. Typical malware tactics!
  • Exhibits possible ransomware file modification behavior;
  • Creates a hidden or system file. The malware adds the hidden attribute to every file and folder on your system, so it appears as if everything has been deleted from your hard drive.
  • 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.
  • Creates a copy of itself;
  • Attempts to interact with an Alternate Data Stream (ADS);
  • Uses suspicious command line tools or Windows utilities;
  • Ciphering the files found on the victim’s disk drive — so the sufferer can no more use 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.


One of the most normal channels whereby Trojan:Win32/Qbot.B!MTB Trojans are injected are:

  • By means of phishing emails;
  • As a consequence of customer winding up on a resource that organizes a destructive software program;

As soon as the Trojan is efficiently infused, it will certainly either cipher the data on the target’s computer or protect against the gadget from working in a correct fashion – while additionally placing a ransom money note that states the need for the sufferers to impact the repayment for the function of decrypting the files or bring back the file system back to the initial problem. In many instances, the ransom money note will certainly come up when the customer restarts the COMPUTER after the system has actually already been damaged.

Trojan:Win32/Qbot.B!MTB distribution networks.

In different edges of the world, Trojan:Win32/Qbot.B!MTB grows by leaps as well as bounds. However, the ransom money notes and also techniques of obtaining the ransom quantity may vary depending on specific local (regional) settings. The ransom money notes as well as tricks of extorting the ransom money amount may vary depending on certain neighborhood (local) setups.

Ransomware injection

For example:

    Faulty alerts about unlicensed software program.

    In particular areas, the Trojans typically wrongfully report having spotted some unlicensed applications enabled on the victim’s gadget. The sharp after that requires the user to pay the ransom.

    Faulty declarations concerning prohibited material.

    In nations where software application piracy is less prominent, this technique is not as efficient for the cyber frauds. Alternatively, the Trojan:Win32/Qbot.B!MTB popup alert may incorrectly claim to be stemming from a police establishment as well as will report having located youngster pornography or various other illegal information on the tool.

    Trojan:Win32/Qbot.B!MTB popup alert may incorrectly declare to be deriving from a regulation enforcement organization as well as will certainly report having located kid porn or various other illegal information on the tool. The alert will similarly consist of a requirement for the customer to pay the ransom.

Technical details

File Info:

crc32: 3EBE3850
md5: 572fea5f025df78f2d316216fbeee52e
name: tmpmg59vua5
sha1: 91b2bf44b1f9282c09f07f16631deaa3ad9d956d
sha256: 5cd04805f9753ca08b82e88c27bf5426d1d356bb26b281885573051048911367
sha512: eb238272227c5825477ff1e37dc4f7e467665049d4db5649fff59c39d7745e88b06234d6d1218c05c802e33e21577f9d4a533cb9e23ebe6fb09654f97759c187
ssdeep: 1536:oqRaSoNRhXeFFIEuz29JfZsIzYJerU+zjqFeKUO1z1gZCHW8LiLrXz4HE7bhj5Bs:oqRa/fhGFIZyJfZsqCGez5W1Ekxj5+
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

LegalCopyright: This is GNU Software copyright Josh Karlin
InternalName: Launchy.exe
FileVersion: 1.0.0
CompanyName: Code Jelly
ProductName: Launchy
ProductVersion: 2.0
FileDescription: Launchy
OriginalFilename: Launchy.exe
Translation: 0x0409 0x04e4

Trojan:Win32/Qbot.B!MTB also known as:

GridinSoft Trojan.Ransom.Gen
MicroWorld-eScan Trojan.GenericKD.34029721
CAT-QuickHeal Trojan.Wacatac
Qihoo-360 Win32/Trojan.236
McAfee Artemis!572FEA5F025D
Cylance Unsafe
VIPRE Trojan.Win32.Generic!BT
AegisLab Hacktool.Win32.Krap.lKMc
Sangfor Malware
CrowdStrike win/malicious_confidence_100% (W)
BitDefender Trojan.GenericKD.34029721
K7GW Trojan ( 00568ee81 )
K7AntiVirus Trojan ( 00568ee81 )
Arcabit Trojan.Generic.D2074099
TrendMicro Ransom.Win32.WASTEDLOCKER.AA
Cyren W32/Trojan.NQEH-0584
Symantec Ransom.WastedLocker
ESET-NOD32 Win32/Filecoder.WastedLocker.A
APEX Malicious
Kaspersky Trojan.Win32.DelShad.dia
Alibaba Trojan:Win32/DelShad.a90bde16
ViRobot Trojan.Win32.S.Ransom.1076112
Rising Spyware.Ursnif!8.1DEF (CLOUD)
Ad-Aware Trojan.GenericKD.34029721
Emsisoft Trojan.GenericKD.34029721 (B)
Comodo Malware@#1yix59upfx9lj
F-Secure Trojan.TR/Crypt.Agent.ujiiq
DrWeb Trojan.Encoder.31951
Zillya Trojan.Kryptik.Win32.2052505
Invincea heuristic
Fortinet W32/QBOT.CC!tr
Sophos Mal/EncPk-APV
Ikarus Trojan-Ransom.WastedLocker
Jiangmin Trojan.DelShad.zq
Webroot W32.Ransom.Gen
Avira TR/Crypt.Agent.ujiiq
MAX malware (ai score=100)
Antiy-AVL GrayWare/Win32.Kryptik.ehls
Microsoft Trojan:Win32/Qbot.B!MTB
ZoneAlarm Trojan.Win32.DelShad.dia
Cynet Malicious (score: 90)
AhnLab-V3 Trojan/Win32.Agent.R341646
VBA32 BScope.TrojanRansom.Shade
ALYac Trojan.Ransom.WastedLocker
Malwarebytes Ransom.BinADS
Panda Trj/GdSda.A
TrendMicro-HouseCall Ransom.Win32.WASTEDLOCKER.AA
Tencent Win32.Trojan.Delshad.Sueh
Yandex Trojan.Kryptik!HitBlJ3ec3o
SentinelOne DFI – Malicious PE
GData Trojan.GenericKD.34029721
BitDefenderTheta Gen:NN.ZexaF.34130.bn1@aKevf5pi
AVG Win32:DangerousSig [Trj]
Cybereason malicious.4b1f92
Avast Win32:DangerousSig [Trj]
MaxSecure Trojan.Malware.102356251.susgen

How to remove Trojan:Win32/Qbot.B!MTB ransomware?

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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The is an excellent way to deal with recognizing and removing threats – using Gridinsoft Anti-Malware. This program will scan your PC, find and neutralize all suspicious processes.2.

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/Qbot.B!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:

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If the guide doesn’t help you to remove Trojan:Win32/Qbot.B!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

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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