Backdoor.Qbot

Written by Robert Bailey

What is Backdoor.Qbot infection?

In this article you will certainly find concerning the meaning of Backdoor.Qbot and also its adverse influence on your computer. Such ransomware are a type of malware that is specified by online frauds to require paying the ransom by a sufferer.

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In the majority of the situations, Backdoor.Qbot infection will advise its targets to launch funds move for the function of reducing the effects of the modifications that the Trojan infection has presented to the victim’s device.

Backdoor.Qbot 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);
  • 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.
  • Possible date expiration check, exits too soon after checking local time;
  • Mimics the system’s user agent string for its own requests;
  • A process attempted to delay the analysis task.;
  • Expresses interest in specific running processes;
  • Repeatedly searches for a not-found process, may want to run with startbrowser=1 option;
  • 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.
  • Uses Windows utilities for basic functionality;
  • Executed a process and injected code into it, probably while unpacking;
  • A system process is generating network traffic likely as a result of process injection;
  • 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
  • Checks the CPU name from registry, possibly for anti-virtualization;
  • Attempts to modify proxy settings. This trick used for inject malware into connection between browser and server;
  • Creates a copy of itself;
  • Collects information to fingerprint the system. There are behavioral human characteristics that can be used to digitally identify a person to grant access to systems, devices, or data. Unlike passwords and verification codes, fingerprints are fundamental parts of user’s identities. Among the threats blocked on biometric data processing and storage systems is spyware, the malware used in phishing attacks (mostly spyware downloaders and droppers), ransomware, and Banking Trojans as posing the greatest danger.
  • Anomalous binary characteristics. This is a way of hiding virus’ code from antiviruses and virus’ analysts.
  • Ciphering the documents situated on the victim’s hard disk drive — so the sufferer can no longer utilize the information;
  • Preventing normal access to the sufferer’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
www.ip-adress.com BScope.TrojanRansom.Shade

Backdoor.Qbot

One of the most regular networks through which Backdoor.Qbot are infused are:

  • By ways of phishing e-mails;
  • As an effect of individual winding up on a source that holds a harmful software application;

As soon as the Trojan is effectively injected, it will certainly either cipher the information on the sufferer’s computer or protect against the tool from operating in a proper manner – while additionally positioning a ransom note that points out the requirement for the sufferers to impact the settlement for the function of decrypting the documents or restoring the data system back to the initial problem. In many instances, the ransom money note will come up when the client restarts the COMPUTER after the system has currently been harmed.

Backdoor.Qbot circulation channels.

In different corners of the world, Backdoor.Qbot grows by leaps and also bounds. However, the ransom money notes as well as techniques of extorting the ransom amount may vary depending on specific neighborhood (regional) setups. The ransom money notes as well as tricks of extorting the ransom money quantity may vary depending on specific regional (regional) setups.

Ransomware injection

As an example:

    Faulty alerts regarding unlicensed software program.

    In particular areas, the Trojans usually wrongfully report having discovered some unlicensed applications enabled on the victim’s tool. The alert then requires the user to pay the ransom money.

    Faulty declarations about prohibited material.

    In countries where software piracy is much less popular, this method is not as efficient for the cyber frauds. Conversely, the Backdoor.Qbot popup alert may wrongly assert to be stemming from a law enforcement institution as well as will certainly report having located kid porn or other unlawful data on the tool.

    Backdoor.Qbot popup alert may falsely claim to be obtaining from a regulation enforcement organization and also will report having located youngster pornography or other illegal data on the tool. The alert will in a similar way have a need for the user to pay the ransom money.

Technical details

File Info:

crc32: 436DDAC3
md5: ed11ddf39002e6ee29ee8072f2bf2773
name: 444444.png
sha1: 55831b74fe1f8873259f9660e7b7abaefab7250a
sha256: b662891249d2a43253e3325fe5ad76cfb406bb35f8043c7634dc72985491fae9
sha512: 3f7c5ae3f74a635e5c8efdaea9476c19c08041274c476e013b82d73adea170e793014f1c789f4cdceaa91b0632c8f2dfe8c0ff679dc0416b738a9b4c3384691c
ssdeep: 3072:hQ/JeEz8Pg+nfqyrHVc1/EfYaAffGlTeHH1xGogkUcWC2kCcBZBLQcPbxSQN5U9i:W/JeE4PgrmhYJfTnxgoCagct3NSiT
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

0: [No Data]

Backdoor.Qbot also known as:

GridinSoft Trojan.Ransom.Gen
Bkav W32.AIDetectVM.malware2
MicroWorld-eScan Gen:Variant.Graftor.723126
FireEye Generic.mg.ed11ddf39002e6ee
Cylance Unsafe
Sangfor Malware
BitDefender Gen:Variant.Graftor.723126
Cybereason malicious.4fe1f8
Invincea heuristic
BitDefenderTheta Gen:NN.ZexaF.34104.1nX@aqt7uzh
APEX Malicious
Avast Win32:Malware-gen
GData Gen:Variant.Graftor.723126
Ad-Aware Gen:Variant.Graftor.723126
Sophos Troj/Qbot-FS
F-Secure Trojan.TR/AD.Qbot.xofdf
Trapmine malicious.high.ml.score
Emsisoft Gen:Variant.Graftor.723126 (B)
Ikarus Trojan-Banker.Dridex
Avira TR/AD.Qbot.xofdf
MAX malware (ai score=87)
Endgame malicious (high confidence)
Microsoft Trojan:Win32/Wacatac.C!ml
Acronis suspicious
VBA32 BScope.TrojanRansom.Shade
Malwarebytes Backdoor.Qbot
ESET-NOD32 a variant of Win32/Kryptik.HCHZ
Rising Trojan.Kryptik!8.8 (TFE:dGZlOgRiSIZX1oexSg)
SentinelOne DFI – Malicious PE
eGambit PE.Heur.InvalidSig
Fortinet W32/GenKryptik.EGWI!tr
AVG Win32:Malware-gen
CrowdStrike win/malicious_confidence_100% (D)

How to remove Backdoor.Qbot ransomware?

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 Backdoor.Qbot 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 Backdoor.Qbot 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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