Win32/Qbot.CU

What is Win32/Qbot.CU infection?

In this article you will certainly discover about the interpretation of Win32/Qbot.CU and its adverse impact on your computer system. Such ransomware are a form of malware that is clarified by on-line fraudulences to require paying the ransom money by a sufferer.

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When we talk about the intrusion of unfamiliar programs into your computer’s work, the proverb “Forewarned is forearmed” describes the situation as accurately as possible. Gridinsoft Anti-Malware is exactly the tool that is always useful to have in your armory: fast, efficient, up-to-date. It is appropriate to use it as an emergency help at the slightest suspicion of infection.
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Most of the instances, Win32/Qbot.CU infection will advise its sufferers to initiate funds move for the purpose of neutralizing the changes that the Trojan infection has actually introduced to the sufferer’s tool.

Win32/Qbot.CU Summary

These alterations can be as adheres to:

  • 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);
  • 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 created a hidden window;
  • 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 found on the sufferer’s hard disk drive — so the sufferer can no longer make use of the information;
  • Preventing routine access to the victim’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
z.whorecord.xyz BehavesLike.Win32.VirRansom.dm
a.tomx.xyz BehavesLike.Win32.VirRansom.dm

Win32/Qbot.CU

The most typical channels where Win32/Qbot.CU Ransomware Trojans are infused are:

  • By methods of phishing emails;
  • As a consequence of customer winding up on a source that hosts a destructive software;

As quickly as the Trojan is effectively injected, it will certainly either cipher the data on the sufferer’s PC or protect against the device from operating in a proper manner – while likewise placing a ransom note that points out the demand for the sufferers to effect the repayment for the function of decrypting the files or restoring the file system back to the first condition. In many instances, the ransom note will show up when the customer restarts the COMPUTER after the system has already been harmed.

Win32/Qbot.CU distribution channels.

In different corners of the globe, Win32/Qbot.CU grows by leaps as well as bounds. However, the ransom notes and also tricks of obtaining the ransom money quantity may differ relying on certain neighborhood (local) settings. The ransom money notes and also tricks of extorting the ransom quantity may vary depending on specific neighborhood (regional) setups.

Ransomware injection

For instance:

    Faulty alerts about unlicensed software.

    In specific areas, the Trojans often wrongfully report having found some unlicensed applications enabled on the sufferer’s tool. The sharp after that requires the individual to pay the ransom.

    Faulty statements concerning illegal content.

    In nations where software program piracy is much less popular, this method is not as reliable for the cyber fraudulences. Conversely, the Win32/Qbot.CU popup alert might incorrectly claim to be deriving from a police organization as well as will certainly report having situated child pornography or various other prohibited data on the device.

    Win32/Qbot.CU popup alert may incorrectly assert to be obtaining from a regulation enforcement organization as well as will report having situated youngster porn or various other illegal data on the device. The alert will likewise contain a demand for the customer to pay the ransom money.

Technical details

File Info:

crc32: 53B4BF46
md5: 0a98150bfb0c3bf672b479855bcea877
name: 0A98150BFB0C3BF672B479855BCEA877.mlw
sha1: d23ef74b07d948d2a9fc9e5f93fde516e62c7d2f
sha256: 64dfcb8cb3e41cd58785593008a67fb72ef6def5158e10ae1a8b7f7bd9fc5c9e
sha512: 2088fe6e1c60470c3ae57b5895c78644f6e916fd80b07035560fceae5bcfc80abc98e73bbded0a86184fd048c6d59791833c76efac4c545d5a1ca2c839924fd7
ssdeep: 6144:+sVdYa8V57vikjhS3Gjvv2yTgEeSye53i:waQhyGjvv2y8EoeA
type: PE32 executable (DLL) (GUI) Intel 80386, for MS Windows

Version Info:

0: [No Data]

Win32/Qbot.CU also known as:

GridinSoft Trojan.Ransom.Gen
Elastic malicious (high confidence)
MicroWorld-eScan Trojan.GenericKD.35365418
FireEye Generic.mg.0a98150bfb0c3bf6
Cylance Unsafe
Sangfor Malware
BitDefender Trojan.GenericKD.35365418
Cyren W32/Qbot.AO.gen!Eldorado
Symantec ML.Attribute.HighConfidence
APEX Malicious
Ad-Aware Trojan.GenericKD.35365418
Sophos ML/PE-A + Mal/EncPk-APW
F-Secure Trojan.TR/AD.Qbot.pndsj
DrWeb BackDoor.Qbot.550
McAfee-GW-Edition BehavesLike.Win32.VirRansom.dm
Emsisoft MalCert.A (A)
Avira TR/AD.Qbot.pndsj
Microsoft Trojan:Win32/Wacatac.B!ml
Arcabit Trojan.Generic.D21BA22A
GData Trojan.GenericKD.35365418
Cynet Malicious (score: 100)
McAfee Artemis!0A98150BFB0C
MAX malware (ai score=80)
Malwarebytes Backdoor.Qbot
ESET-NOD32 Win32/Qbot.CU
Fortinet W32/Qbot.CU!tr
BitDefenderTheta Gen:NN.ZedlaF.34658.pi5@ayk1ERn
AVG FileRepMalware
Qihoo-360 Generic/HEUR/QVM39.1.7F26.Malware.Gen

How to remove Win32/Qbot.CU 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.

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.CU 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 Win32/Qbot.CU 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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