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

What is Win32/Qbot.CY infection?

In this article you will find about the interpretation of Win32/Qbot.CY as well as its negative impact on your computer. Such ransomware are a type of malware that is elaborated by on the internet frauds to demand paying the ransom money by a sufferer.

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Most of the situations, Win32/Qbot.CY ransomware will certainly advise its sufferers to launch funds transfer for the function of reducing the effects of the amendments that the Trojan infection has actually introduced to the victim’s tool.

Win32/Qbot.CY Summary

These adjustments can be as adheres to:

  • Injection (inter-process);
  • Injection (Process Hollowing);
  • 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.
  • Possible date expiration check, exits too soon after checking local time;
  • A process created a hidden window;
  • The binary likely contains encrypted or compressed data. In this case, encryption is a way of hiding virus’ code from antiviruses and virus’ analysts.
  • Uses Windows utilities for basic functionality;
  • Executed a process and injected code into it, probably while unpacking;
  • Installs itself for autorun at Windows startup. There is simple tactic using the Windows startup folder located at:
    C:\Users\[user-name]\AppData\Roaming\Microsoft\Windows\StartMenu\Programs\Startup. Shortcut links (.lnk extension) placed in this folder will cause Windows to launch the application each time [user-name] logs into Windows.

    The registry run keys perform the same action, and can be located in different locations:

    • HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\Run
    • HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run
    • HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\RunOnce
    • HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\RunOnce
  • Ciphering the papers situated on the victim’s hard disk drive — so the victim can no longer use the information;
  • Preventing routine access 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.
Similar behavior
Related domains Ransom.Convagent!8.123A1 (TFE:dGZlOgQ6gCKnijtP5g) Ransom.Convagent!8.123A1 (TFE:dGZlOgQ6gCKnijtP5g)


The most typical channels through which Win32/Qbot.CY Trojans are infused are:

  • By methods of phishing emails;
  • As a repercussion of individual winding up on a resource that organizes a destructive software;

As soon as the Trojan is successfully infused, it will certainly either cipher the information on the victim’s PC or protect against the device from operating in a proper way – while additionally putting a ransom money note that points out the need for the sufferers to impact the repayment for the function of decrypting the files or restoring the documents system back to the preliminary problem. In many instances, the ransom note will certainly turn up when the client reboots the PC after the system has already been damaged.

Win32/Qbot.CY circulation networks.

In various edges of the globe, Win32/Qbot.CY expands by jumps as well as bounds. Nevertheless, the ransom money notes and techniques of extorting the ransom money quantity might differ depending on specific local (regional) setups. The ransom money notes as well as tricks of obtaining the ransom money amount may differ depending on particular regional (local) setups.

Ransomware injection

For example:

    Faulty informs about unlicensed software program.

    In specific areas, the Trojans often wrongfully report having detected some unlicensed applications made it possible for on the sufferer’s gadget. The sharp then requires the user to pay the ransom.

    Faulty statements regarding prohibited material.

    In nations where software application piracy is less popular, this approach is not as reliable for the cyber scams. Conversely, the Win32/Qbot.CY popup alert might incorrectly declare to be stemming from a police organization and also will certainly report having situated child pornography or various other illegal data on the device.

    Win32/Qbot.CY popup alert might falsely claim to be acquiring from a legislation enforcement institution as well as will certainly report having located kid porn or various other illegal data on the device. The alert will likewise contain a need for the customer to pay the ransom money.

Technical details

File Info:

crc32: 2AC32654
md5: be584e9b35a212907f7e4c410dda7abb
name: BE584E9B35A212907F7E4C410DDA7ABB.mlw
sha1: 0ee56fb1198128b46cc96aca61ce078932ee783b
sha256: 705c747593e4b81904971eafcfbd65e95d161512f7a318cdf052e5296aeb48f5
sha512: 9bb2c3278f9d9e02b7526b9d18997991dd2f82899586237062b422ab475cd47fe174ca33d8580e702d56cd19b1562dce9445ddb4f83337582793432fd9d2e529
ssdeep: 6144:DMDVh7Rb+tmuZTg232TBYjXaqJDf2MIP6:WVhlSmxe2TCjXaSDlIy
type: PE32 executable (DLL) (GUI) Intel 80386, for MS Windows

Version Info:

0: [No Data]

Win32/Qbot.CY also known as:

GridinSoft Trojan.Ransom.Gen
Bkav W32.AIDetect.malware1
Elastic malicious (high confidence)
DrWeb BackDoor.Qbot.600
ALYac Gen:Variant.Razy.816352
Cylance Unsafe
Zillya Trojan.Qbot.Win32.13535
CrowdStrike win/malicious_confidence_80% (D)
K7GW Backdoor ( 0057aad31 )
K7AntiVirus Backdoor ( 0057aad31 )
Symantec ML.Attribute.HighConfidence
ESET-NOD32 a variant of Win32/Qbot.CY
APEX Malicious
Avast Win32:BankerX-gen [Trj]
Cynet Malicious (score: 100)
Kaspersky Trojan-Banker.Win32.Qbot.abmx
BitDefender Gen:Variant.Razy.816352
NANO-Antivirus Trojan.Win32.Qbot.ivhjra
MicroWorld-eScan Gen:Variant.Razy.816352
Tencent Malware.Win32.Gencirc.10ce50c2
Ad-Aware Gen:Variant.Razy.816352
Sophos ML/PE-A
BitDefenderTheta Gen:NN.ZedlaF.34690.ou4@ay4v74h
McAfee-GW-Edition BehavesLike.Win32.Sytro.dc
Emsisoft Gen:Variant.Razy.816352 (B)
SentinelOne Static AI – Suspicious PE
Jiangmin Trojan.Banker.Qbot.zb
Kingsoft Win32.Troj.Banker.(kcloud)
Microsoft Trojan:Win32/Qakbot.GB!MTB
Gridinsoft Trojan.Win32.Banker.oa!s1
Arcabit Trojan.Razy.DC74E0
GData Gen:Variant.Razy.816352
AhnLab-V3 Trojan/Win.Qakbot.C4457468
MAX malware (ai score=81)
VBA32 BScope.TrojanBanker.Qbot
Malwarebytes Backdoor.Qbot
Panda Trj/GdSda.A
Rising Ransom.Convagent!8.123A1 (TFE:dGZlOgQ6gCKnijtP5g)
Ikarus Backdoor.QBot
MaxSecure Trojan.Malware.117654128.susgen
Fortinet W32/Qbot.CY!tr
AVG Win32:BankerX-gen [Trj]

How to remove Win32/Qbot.CY 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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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 Win32/Qbot.CY 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 Win32/Qbot.CY 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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