Win32/Qbot.CV

Written by Robert Bailey

What is Win32/Qbot.CV infection?

In this short article you will certainly find regarding the interpretation of Win32/Qbot.CV as well as its unfavorable impact on your computer system. Such ransomware are a form of malware that is elaborated by online frauds to demand paying the ransom by a sufferer.

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In the majority of the cases, Win32/Qbot.CV ransomware will advise its victims to launch funds transfer for the function of neutralizing the changes that the Trojan infection has actually presented to the target’s device.

Win32/Qbot.CV Summary

These modifications 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;
  • 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 documents located on the target’s hard disk drive — so the target can no more utilize the information;
  • Preventing normal 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.

Win32/Qbot.CV

One of the most regular channels through which Win32/Qbot.CV Ransomware are injected are:

  • By means of phishing e-mails;
  • As a consequence of individual winding up on a resource that holds a destructive software application;

As soon as the Trojan is efficiently infused, it will certainly either cipher the data on the victim’s PC or avoid the gadget from operating in an appropriate manner – while additionally positioning a ransom note that discusses the demand for the victims to effect the repayment for the objective of decrypting the files or bring back the data system back to the first problem. In the majority of instances, the ransom money note will certainly come up when the customer reboots the PC after the system has actually currently been harmed.

Win32/Qbot.CV distribution networks.

In various corners of the world, Win32/Qbot.CV grows by jumps and also bounds. Nevertheless, the ransom money notes as well as techniques of obtaining the ransom money amount may differ depending on specific local (local) setups. The ransom money notes as well as techniques of obtaining the ransom money quantity may vary depending on particular neighborhood (local) setups.

Ransomware injection

As an example:

    Faulty signals concerning unlicensed software.

    In particular locations, the Trojans commonly wrongfully report having actually detected some unlicensed applications allowed on the sufferer’s gadget. The alert after that requires the user to pay the ransom money.

    Faulty declarations regarding illegal material.

    In nations where software program piracy is less preferred, this method is not as reliable for the cyber fraudulences. Conversely, the Win32/Qbot.CV popup alert might falsely assert to be stemming from a police institution and also will certainly report having situated child pornography or various other unlawful information on the tool.

    Win32/Qbot.CV popup alert may falsely declare to be acquiring from a regulation enforcement establishment and will certainly report having situated youngster pornography or other illegal data on the gadget. The alert will in a similar way consist of a demand for the user to pay the ransom money.

Technical details

File Info:

crc32: 1EF6E133
md5: 4804763f73e6d62aabe1f69b38f30e92
name: 4804763F73E6D62AABE1F69B38F30E92.mlw
sha1: 7b1fda4c06ef8bc91ba98156c3fb923a4b55ab6c
sha256: d11ff8ae491177ffe547e069e2b7ea7e6dc37697d6b8ab072e3b31cfdca73c2b
sha512: 1fd1e1eaefb898d3a51d7a56de26173e7cd30c267fc85483ca4283d2f06cd513c5abf618f95c5af9c0ebd3ae9845e376576b423d0e1bcc60ff8df4f650e7b0e6
ssdeep: 6144:qwsjfhIZ77mLRMtvGUpRGcZ8yhHVh8f45mlaz9u6:hAhIZ77mL+pMxyVL8fePz9u
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.CV also known as:

GridinSoft Trojan.Ransom.Gen
Bkav W32.AIDetectVM.malware1
Elastic malicious (high confidence)
MicroWorld-eScan Trojan.GenericKD.45301054
McAfee GenericRXAA-AA!4804763F73E6
Cylance Unsafe
Sangfor Malware
CrowdStrike win/malicious_confidence_60% (D)
BitDefender Trojan.GenericKD.45301054
K7GW Riskware ( 0040eff71 )
K7AntiVirus Riskware ( 0040eff71 )
Cyren W32/Trojan.CBMT-1450
Symantec ML.Attribute.HighConfidence
APEX Malicious
Avast Win32:BankerX-gen [Trj]
Kaspersky Trojan-Banker.Win32.RTM.ies
Alibaba TrojanBanker:Win32/BankerX.f191d456
Tencent Win32.Trojan-banker.Rtm.Pavk
Ad-Aware Trojan.GenericKD.45301054
Emsisoft Trojan.GenericKD.45301054 (B)
F-Secure Trojan.TR/Qbot.cpsnm
DrWeb Trojan.Inject4.6427
TrendMicro TROJ_GEN.R011C0DA621
McAfee-GW-Edition Artemis!Trojan
FireEye Generic.mg.4804763f73e6d62a
Sophos Mal/Generic-R + Mal/EncPk-APV
Ikarus Trojan.SuspectCRC
Avira TR/Qbot.cpsnm
Antiy-AVL GrayWare/Win32.Kryptik.ehls
Microsoft Trojan:Win32/Qbot.PVD!MTB
Gridinsoft Ransom.Win32.Wacatac.oa
Arcabit Trojan.Generic.D2B33D3E
ZoneAlarm Trojan-Banker.Win32.RTM.ies
GData Trojan.GenericKD.45301054
Cynet Malicious (score: 100)
AhnLab-V3 Malware/Win32.Generic.C4290372
BitDefenderTheta Gen:NN.ZedlaF.34742.rE8@amHjroaj
ALYac Trojan.GenericKD.45301054
MAX malware (ai score=89)
VBA32 BScope.Trojan.Fuerboos
Malwarebytes Trojan.Crypt
Panda Trj/GdSda.A
ESET-NOD32 Win32/Qbot.CV
TrendMicro-HouseCall TROJ_GEN.R011C0DA621
Rising Malware.Obscure/Heur!1.A89E (CLASSIC)
SentinelOne Static AI – Suspicious PE
Fortinet W32/Cridex.GYR!tr
AVG Win32:BankerX-gen [Trj]
Paloalto generic.ml

How to remove Win32/Qbot.CV 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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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.

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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.CV 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?

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If the guide doesn’t help you to remove Win32/Qbot.CV 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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