Win32/Qbot.CW

Written by Robert Bailey

What is Win32/Qbot.CW infection?

In this short article you will locate concerning the definition of Win32/Qbot.CW and also its negative effect on your computer system. Such ransomware are a type of malware that is clarified by online frauds to demand paying the ransom by a target.

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In the majority of the situations, Win32/Qbot.CW infection will certainly advise its victims to launch funds transfer for the purpose of reducing the effects of the modifications that the Trojan infection has presented to the sufferer’s device.

Win32/Qbot.CW Summary

These alterations can be as complies with:

  • 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.
  • 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.
  • A process created a hidden window;
  • Performs some HTTP requests;
  • Unconventionial language used in binary resources: Chinese (Simplified);
  • 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
  • Anomalous binary characteristics. This is a way of hiding virus’ code from antiviruses and virus’ analysts.
  • Ciphering the files found on the sufferer’s hard drive — so the target can no longer utilize the information;
  • Preventing regular access to the victim’s workstation;

Win32/Qbot.CW

The most typical networks where Win32/Qbot.CW Ransomware Trojans are injected are:

  • By ways of phishing emails;
  • As an effect of individual ending up on a source that hosts a harmful software application;

As quickly as the Trojan is efficiently injected, it will certainly either cipher the data on the target’s computer or prevent the tool from working in a proper manner – while additionally positioning a ransom note that mentions the requirement for the victims to impact the repayment for the objective of decrypting the documents or recovering the documents system back to the preliminary condition. In most circumstances, the ransom note will show up when the client restarts the COMPUTER after the system has currently been harmed.

Win32/Qbot.CW circulation channels.

In various edges of the world, Win32/Qbot.CW grows by jumps as well as bounds. Nonetheless, the ransom money notes and methods of obtaining the ransom money quantity may vary relying on certain regional (local) settings. The ransom notes and tricks of extorting the ransom money quantity may vary depending on specific local (regional) settings.

Ransomware injection

For example:

    Faulty notifies regarding unlicensed software.

    In particular locations, the Trojans commonly wrongfully report having found some unlicensed applications made it possible for on the target’s gadget. The alert after that demands the individual to pay the ransom money.

    Faulty statements regarding prohibited material.

    In countries where software piracy is much less preferred, this technique is not as reliable for the cyber fraudulences. Alternatively, the Win32/Qbot.CW popup alert may wrongly assert to be deriving from a police establishment as well as will report having located youngster porn or other illegal data on the device.

    Win32/Qbot.CW popup alert may wrongly claim to be deriving from a law enforcement organization and also will report having situated youngster porn or other prohibited data on the device. The alert will similarly contain a need for the customer to pay the ransom.

Technical details

File Info:

crc32: 881CC1D6
md5: 95ee3a37af32b24fb1cf79fc64443443
name: 95EE3A37AF32B24FB1CF79FC64443443.mlw
sha1: 3fac30df8eb115db23bc12beb1c569660e0b606d
sha256: 7eda476c25a3d31c65ae6d571efc3f92daaba32c4f261f19564f44062507b65e
sha512: 9c8ed07b948f0412096df278bc323b451219f061fbf30c9d0a7abad4eb3682f18904c79a9b1225a5971e4fdde42d0c663393d86246ce36ae3ae26408a2b9c945
ssdeep: 6144:GGlqosvPLYZiWYG+0KTwmFI4Iu6WgEWasmlbUhDRWu6:Dqo3ZLYGzKT95wWQFT9Wu
type: PE32 executable (DLL) (GUI) Intel 80386, for MS Windows

Version Info:

LegalCopyright: Copyright 2009
InternalName: FGResDetector
FileVersion: 1, 0, 0, 1
ProductName: FGResDetector Module
ProductVersion: 1, 0, 0, 1
FileDescription: FGResDetector Module
OriginalFilename: FGResDetector.exe
Translation: 0x0409 0x04b0

Win32/Qbot.CW also known as:

GridinSoft Trojan.Ransom.Gen
Bkav W32.AIDetectVM.malware1
Elastic malicious (high confidence)
FireEye Generic.mg.95ee3a37af32b24f
ALYac Trojan.GenericKD.45303264
Cylance Unsafe
AegisLab Trojan.Win32.Generic.4!c
Sangfor Malware
K7AntiVirus Riskware ( 0040eff71 )
BitDefender Trojan.GenericKD.45303264
K7GW Riskware ( 0040eff71 )
CrowdStrike win/malicious_confidence_60% (D)
BitDefenderTheta Gen:NN.ZedlaF.34742.rE8@aKxW16kj
Cyren W32/Trojan.AZUV-2278
Symantec ML.Attribute.HighConfidence
TrendMicro-HouseCall TROJ_GEN.R011C0DA621
Paloalto generic.ml
Cynet Malicious (score: 100)
Kaspersky Trojan-Banker.Win32.RTM.ieo
Alibaba TrojanBanker:Win32/BankerX.a43d59c6
MicroWorld-eScan Trojan.GenericKD.45303264
Ad-Aware Trojan.GenericKD.45303264
Sophos Mal/Generic-R + Mal/EncPk-APV
F-Secure Trojan.TR/Qbot.mpbrm
DrWeb Trojan.Inject4.6429
TrendMicro TROJ_GEN.R011C0DA621
McAfee-GW-Edition Artemis!Trojan
Emsisoft Trojan.GenericKD.45303264 (B)
APEX Malicious
Avira TR/Qbot.mpbrm
MAX malware (ai score=80)
Antiy-AVL GrayWare/Win32.Kryptik.ehls
Microsoft Trojan:Win32/Qbot.PVD!MTB
Gridinsoft Ransom.Win32.Wacatac.oa
Arcabit Trojan.Generic.D2B345E0
ZoneAlarm Trojan-Banker.Win32.RTM.ieo
GData Trojan.GenericKD.45303264
SentinelOne Static AI – Suspicious PE
AhnLab-V3 Malware/Win32.Generic.C4290372
McAfee GenericRXNF-UO!95EE3A37AF32
VBA32 BScope.Trojan.Fuerboos
Malwarebytes Trojan.Crypt
ESET-NOD32 Win32/Qbot.CW
Rising Malware.Obscure/Heur!1.A89E (CLASSIC)
Ikarus Backdoor.QBot
Fortinet W32/Cridex.GYR!tr
AVG Win32:BankerX-gen [Trj]
Panda Trj/GdSda.A
Qihoo-360 Generic/HEUR/QVM40.1.5C7F.Malware.Gen

How to remove Win32/Qbot.CW virus?

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

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.

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Press “Install” button.

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Once installed, Anti-Malware will automatically run.

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Wait for the Anti-Malware scan to complete.

GridinSoft Anti-Malware will automatically start scanning your system for Win32/Qbot.CW 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.CW you can always ask me in the comments for getting help.

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References

  1. GridinSoft Anti-Malware Review from HowToFix site: https://howtofix.guide/gridinsoft-anti-malware/
  2. More information about GridinSoft products: https://gridinsoft.com/products/

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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