Written by Robert Bailey

What is Backdoor.QBot infection?

In this article you will discover about the meaning of Backdoor.QBot as well as its unfavorable effect on your computer system. Such ransomware are a form of malware that is clarified by on-line scams to require paying the ransom money by a sufferer.

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In the majority of the situations, Backdoor.QBot ransomware will certainly advise its sufferers to initiate funds transfer for the function of reducing the effects of the changes that the Trojan infection has actually presented to the target’s gadget.

Backdoor.QBot Summary

These alterations can be as adheres to:

  • Executable code extraction;
  • Injection (inter-process);
  • Injection (Process Hollowing);
  • Presents an Authenticode digital signature;
  • Creates RWX memory;
  • Possible date expiration check, exits too soon after checking local time;
  • 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;
  • Unconventionial language used in binary resources: Hebrew;
  • 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;
  • Collects information to fingerprint the system;
  • Ciphering the documents situated on the target’s disk drive — so the victim can no longer utilize the data;
  • Preventing normal access to the sufferer’s workstation;


One of the most common channels whereby Backdoor.QBot Ransomware Trojans are infused are:

  • By ways of phishing emails;
  • As a repercussion of individual winding up on a resource that holds a malicious software;

As quickly as the Trojan is successfully injected, it will either cipher the data on the target’s computer or stop the tool from functioning in a correct fashion – while also placing a ransom money note that states the requirement for the sufferers to impact the settlement for the objective of decrypting the records or bring back the file system back to the preliminary problem. In a lot of instances, the ransom money note will certainly turn up when the customer restarts the COMPUTER after the system has already been damaged.

Backdoor.QBot distribution channels.

In numerous edges of the globe, Backdoor.QBot grows by jumps as well as bounds. However, the ransom notes and techniques of extorting the ransom amount might differ depending upon particular local (local) settings. The ransom notes and methods of obtaining the ransom amount might vary depending on particular local (local) settings.

Ransomware injection

For instance:

    Faulty informs concerning unlicensed software.

    In particular areas, the Trojans commonly wrongfully report having discovered some unlicensed applications enabled on the target’s gadget. The alert after that demands the individual to pay the ransom money.

    Faulty declarations about unlawful material.

    In countries where software program piracy is less preferred, this technique is not as reliable for the cyber fraudulences. Alternatively, the Backdoor.QBot popup alert might incorrectly claim to be originating from a law enforcement organization and will certainly report having located youngster pornography or other unlawful information on the gadget.

    Backdoor.QBot popup alert may wrongly declare to be deriving from a legislation enforcement institution and also will report having situated youngster pornography or other prohibited information on the tool. The alert will likewise have a demand for the customer to pay the ransom money.

Technical details

File Info:

crc32: 71DEE01F
md5: e048555d9a560d76bba55795699ba507
name: upload_file
sha1: 1c70964f7fe6193c069f450e745091cccf372f5a
sha256: e2d5f4c171dc88b453be93a2b940a815143657952863fe6daf32bdd01ed1577d
sha512: 58ead2af15dfecbc581f12910f562276ed50fb22a91a8a649bffd621b39f1694741f71fb7aa8b7603798ab1de911b04956d5344d66288f93065ebb07b1be9a04
ssdeep: 6144:Mv4Jb6PYNgiQsyaxAUyetu9ITzmXG33wXd5FLY9C3DzkgJkw20v:MgWPYe4ueQ9ITz8GnwXbFsWDzl+0v
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

0: [No Data]

Backdoor.QBot also known as:

GridinSoft Trojan.Ransom.Gen
Elastic malicious (high confidence)
DrWeb Trojan.QakBot.11
MicroWorld-eScan Gen:Variant.Razy.737213
CAT-QuickHeal Trojan.Razy
Qihoo-360 Generic/HEUR/QVM20.1.7E4F.Malware.Gen
McAfee W32/PinkSbot-HE!E048555D9A56
Cylance Unsafe
Sangfor Malware
K7AntiVirus Backdoor ( 0056c0cf1 )
BitDefender Gen:Variant.Razy.737213
K7GW Backdoor ( 0056c0cf1 )
CrowdStrike win/malicious_confidence_100% (W)
TrendMicro TROJ_GEN.R03BC0DJD20
Cyren W32/Trojan.XFYN-8226
Symantec ML.Attribute.HighConfidence
APEX Malicious
Avast Win32:DangerousSig [Trj]
ClamAV Win.Malware.Razy-9775963-0
Kaspersky HEUR:Trojan.Win32.Qbot.vho
Alibaba Trojan:Win32/Qakbot.f45bd206
ViRobot Trojan.Win32.Z.Razy.959480.B
Tencent Win32.Trojan.Falsesign.Agui
Ad-Aware Gen:Variant.Razy.737213
Sophos Mal/EncPk-APW
Comodo Malware@#xh6tcqi3erh8
F-Secure Trojan.TR/AD.Qbot.EU
VIPRE Trojan.Win32.Generic!BT
Invincea Mal/Generic-R + Mal/EncPk-APW
McAfee-GW-Edition W32/PinkSbot-HE!E048555D9A56
Emsisoft MalCert.A (A)
Ikarus Backdoor.QBot
Jiangmin Trojan.Generic.gfnde
Avira TR/AD.Qbot.EU
Antiy-AVL Trojan/Win32.Qbot
Microsoft Trojan:Win32/Qakbot.AR!Cert
Arcabit Trojan.Razy.DB3FBD
ZoneAlarm HEUR:Trojan.Win32.Qbot.vho
GData Win32.Trojan.QakBot.NSM4N6
Cynet Malicious (score: 85)
AhnLab-V3 Trojan/Win32.QBot.C4205221
ALYac Backdoor.QBot.gen
MAX malware (ai score=89)
VBA32 BScope.TrojanBanker.Qbot
Malwarebytes Trojan.Qbot
ESET-NOD32 Win32/Qbot.CN
TrendMicro-HouseCall TROJ_GEN.R03BC0DJD20
Rising Trojan.MalCert!1.CD57 (CLASSIC)
SentinelOne DFI – Malicious PE
Fortinet W32/Phobos.HGAF!tr.ransom
AVG Win32:DangerousSig [Trj]
Cybereason malicious.f7fe61
MaxSecure Trojan.Malware.5137.susgen

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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There is no better way to recognize, remove and prevent PC threats than to use an anti-malware software from GridinSoft2.

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:

Full version of GridinSoft

Full version of GridinSoft Anti-Malware

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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  1. GridinSoft Anti-Malware Review from HowToFix site:
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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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