Backdoor.Qbot

Written by Robert Bailey

What is Backdoor.Qbot infection?

In this article you will certainly discover regarding the definition of Backdoor.Qbot and also its adverse influence on your computer. Such ransomware are a type of malware that is elaborated by on the internet scams to demand paying the ransom money by a victim.

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Most of the instances, Backdoor.Qbot infection will instruct its victims to start funds move for the purpose of counteracting the modifications that the Trojan infection has actually introduced to the sufferer’s gadget.

Backdoor.Qbot Summary

These adjustments can be as follows:

  • 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);
  • Attempts to connect to a dead IP:Port (1 unique times);
  • 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.;
  • 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;
  • Behavior consistent with a dropper attempting to download the next stage.;
  • 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;
  • 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 located on the sufferer’s hard disk — so the target can no longer use the information;
  • Preventing regular accessibility to the sufferer’s workstation;

Related domains:

www.ip-adress.com TR/Vundo.Gen2

Backdoor.Qbot

The most common channels where Backdoor.Qbot Ransomware are injected are:

  • By ways of phishing e-mails;
  • As a repercussion of user ending up on a resource that holds a malicious software;

As quickly as the Trojan is efficiently infused, it will certainly either cipher the data on the victim’s PC or avoid the device from operating in an appropriate fashion – while likewise putting a ransom money note that mentions the requirement for the sufferers to impact the repayment for the objective of decrypting the papers or recovering the documents system back to the initial problem. In a lot of circumstances, the ransom money note will certainly show up when the customer restarts the COMPUTER after the system has already been damaged.

Backdoor.Qbot circulation channels.

In various edges of the globe, Backdoor.Qbot expands by jumps as well as bounds. Nonetheless, the ransom money notes and also tricks of extorting the ransom amount may vary depending upon particular neighborhood (local) settings. The ransom money notes as well as techniques of obtaining the ransom money amount may differ depending on certain regional (local) setups.

Ransomware injection

As an example:

    Faulty informs concerning unlicensed software program.

    In particular locations, the Trojans frequently wrongfully report having actually identified some unlicensed applications enabled on the victim’s gadget. The alert then requires the customer to pay the ransom.

    Faulty statements about prohibited content.

    In countries where software piracy is less preferred, this method is not as effective for the cyber scams. Conversely, the Backdoor.Qbot popup alert might falsely claim to be deriving from a police establishment and also will report having located youngster porn or other prohibited information on the tool.

    Backdoor.Qbot popup alert may falsely claim to be acquiring from a regulation enforcement establishment as well as will report having situated child pornography or other prohibited information on the gadget. The alert will similarly include a requirement for the individual to pay the ransom.

Technical details

File Info:

crc32: C9EE1996
md5: 62997cdc523c5496978398f60b48a50a
name: 444444.png
sha1: fa0161825811f4b5cff0e2a4d0b7c8b9cc09f29d
sha256: 2b0a0602281342abc2ba47ef408cf3919d5a0ca72244004448b1e2d6464aefc6
sha512: b0a2b26957d243a9b43c73c25cb7a663c6d3a2fb97663e7cf8a900f4ac9531adc1666506943d76b1f2731eaee3596a4ee6621e9d3625e2621bacab67fd489cc1
ssdeep: 3072:7Q/JeEz8Pg+nfqyrHVc1/EfYaAffGlTeHH1xGogkUcWC2kCcBZBLQcPbxSQN5U9U:s/JeE4PgrmhYJfTnxgoCagct3NSIbX
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.malware
MicroWorld-eScan Gen:Variant.Cerbu.69913
FireEye Generic.mg.62997cdc523c5496
ALYac Gen:Variant.Graftor.723126
Cylance Unsafe
BitDefender Gen:Variant.Cerbu.69913
CrowdStrike win/malicious_confidence_100% (D)
BitDefenderTheta Gen:NN.ZexaF.34104.1nX@ayKK@1p
APEX Malicious
GData Gen:Variant.Cerbu.69913
Ad-Aware Gen:Variant.Cerbu.69913
Invincea heuristic
Trapmine malicious.high.ml.score
Emsisoft Gen:Variant.Cerbu.69913 (B)
Ikarus Trojan-Banker.Dridex
Avira TR/Vundo.Gen2
Endgame malicious (high confidence)
Arcabit Trojan.Cerbu.D11119
Acronis suspicious
VBA32 BScope.TrojanRansom.Shade
MAX malware (ai score=82)
Malwarebytes Backdoor.Qbot
ESET-NOD32 a variant of Win32/Kryptik.HCHZ
SentinelOne DFI – Malicious PE
eGambit PE.Heur.InvalidSig
Fortinet W32/GenKryptik.EHFB!tr
Cybereason malicious.25811f
Qihoo-360 HEUR/QVM20.1.3285.Malware.Gen

How to remove Backdoor.Qbot 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.

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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