Trojan.Win32.Qbot.nb

What is the Win32:Evo-gen [Trj] virus?
Written by Robert Bailey

What is Trojan.Win32.Qbot.nb infection?

In this post you will locate regarding the meaning of Trojan.Win32.Qbot.nb as well as its negative impact on your computer. Such ransomware are a form of malware that is elaborated by on the internet fraudulences to require paying the ransom money by a victim.

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Most of the cases, Trojan.Win32.Qbot.nb virus will certainly instruct its sufferers to launch funds move for the objective of counteracting the modifications that the Trojan infection has presented to the target’s gadget.

Trojan.Win32.Qbot.nb Summary

These adjustments 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.
  • Mimics the system’s user agent string for its own requests;
  • Possible date expiration check, exits too soon after checking local time;
  • A process attempted to delay the analysis task.;
  • A named pipe was used for inter-process communication;
  • 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.

    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
  • 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.
  • Ciphering the documents located on the sufferer’s hard disk drive — so the victim can no more utilize the information;
  • Preventing regular accessibility to the target’s workstation;

Trojan.Win32.Qbot.nb

The most common networks whereby Trojan.Win32.Qbot.nb Ransomware Trojans are infused are:

  • By methods of phishing e-mails. Email phishing is a cyber attack that uses disguised email as a goal is to trick the recipient into believing that the message is something they want or need — a request from their bank, for instance, or a note from someone in their company — and to click a link for download a malware.
  • As a repercussion of user ending up on a resource that hosts a harmful software;

As quickly as the Trojan is effectively injected, it will certainly either cipher the data on the target’s computer or protect against the device from working in a correct way – while also placing a ransom money note that states the need for the sufferers to impact the repayment for the purpose of decrypting the files or restoring the documents system back to the preliminary problem. In most circumstances, the ransom note will certainly show up when the customer reboots the PC after the system has actually currently been damaged.

Trojan.Win32.Qbot.nb circulation networks.

In numerous edges of the world, Trojan.Win32.Qbot.nb expands by jumps and also bounds. Nonetheless, the ransom money notes and techniques of obtaining the ransom money amount might differ depending upon certain local (local) settings. The ransom notes and also methods of obtaining the ransom amount might vary depending on particular regional (regional) setups.

Ransomware injection

For example:

    Faulty informs about unlicensed software.

    In specific locations, the Trojans commonly wrongfully report having found some unlicensed applications made it possible for on the target’s device. The sharp then requires the individual to pay the ransom.

    Faulty statements concerning prohibited web content.

    In nations where software piracy is much less popular, this approach is not as effective for the cyber fraudulences. Conversely, the Trojan.Win32.Qbot.nb popup alert might falsely assert to be originating from a law enforcement institution as well as will report having situated kid pornography or various other illegal data on the device.

    Trojan.Win32.Qbot.nb popup alert might incorrectly claim to be acquiring from a law enforcement establishment and also will certainly report having located child porn or various other prohibited data on the gadget. The alert will in a similar way contain a demand for the user to pay the ransom money.

Technical details

File Info:

crc32: 2E2677B0
md5: 3efcb4b98bc34627f14f32487976d7ef
name: upload_file
sha1: 47e2aca96868bc45c8b3877a184d18122420a95b
sha256: bfb48416b0557ef0d47177d809287384f47d0bf985504ee9b243d7161293364e
sha512: 2095f7a8304df04960b632f80fb5626089a0a876285cdc26fb847ee624958b15cf7c63ed621a7ded48a4816868a6aecb66875d4877305b72dfb87241c9ef761d
ssdeep: 6144:Sv4Jb6PYNgiQsyaxAUyetu9ITzmXG33wXd5FLY9C3DzkgJkw20zt:SgWPYe4ueQ9ITz8GnwXbFsWDzl+0zt
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

0: [No Data]

Trojan.Win32.Qbot.nb also known as:

GridinSoftTrojan.Ransom.Gen
Elasticmalicious (high confidence)
MicroWorld-eScanGen:Variant.Razy.737213
CAT-QuickHealTrojan.Multi
McAfeeW32/PinkSbot-HE!3EFCB4B98BC3
CylanceUnsafe
VIPRETrojan.Win32.Generic!BT
SangforMalware
K7AntiVirusBackdoor ( 0056bf561 )
BitDefenderGen:Variant.Razy.737213
K7GWBackdoor ( 0056bf561 )
CrowdStrikewin/malicious_confidence_60% (W)
ArcabitTrojan.Razy.DB3FBD
TrendMicroTrojan.Win32.WACATAC.THJAOBO
CyrenW32/Trojan.XFYN-8226
SymantecML.Attribute.HighConfidence
APEXMalicious
AvastWin32:DangerousSig [Trj]
ClamAVWin.Malware.Razy-9775963-0
KasperskyTrojan.Win32.Qbot.nb
AlibabaTrojan:Win32/BankerX.2fe1279e
Ad-AwareGen:Variant.Razy.737213
EmsisoftMalCert.A (A)
ComodoMalware@#8kjj6okv3uyl
F-SecureTrojan.TR/AD.Qbot.EU
DrWebTrojan.QakBot.11
InvinceaMal/Generic-S + Mal/EncPk-APW
McAfee-GW-EditionBehavesLike.Win32.Packed.dz
FireEyeGeneric.mg.3efcb4b98bc34627
SophosMal/EncPk-APW
SentinelOneDFI – Malicious PE
JiangminTrojan.Generic.gfnde
AviraTR/AD.Qbot.EU
MAXmalware (ai score=86)
Antiy-AVLTrojan/Win32.Qbot
MicrosoftTrojan:Win32/Qakbot.AR!MTB
ZoneAlarmTrojan.Win32.Qbot.nb
GDataWin32.Trojan.QakBot.HFXE4Z
CynetMalicious (score: 85)
AhnLab-V3Trojan/Win32.QBot.C4205221
ALYacGen:Variant.Razy.737213
VBA32BScope.TrojanBanker.Qbot
MalwarebytesTrojan.Qbot
PandaTrj/Genetic.gen
ESET-NOD32Win32/Qbot.CN
TrendMicro-HouseCallTrojan.Win32.WACATAC.THJAOBO
Rising[email protected] (RDMK:0cEIVTjXxIeeYURG6EIhxA)
IkarusBackdoor.QBot
FortinetW32/Phobos.HGAF!tr.ransom
AVGWin32:DangerousSig [Trj]
Cybereasonmalicious.96868b
Paloaltogeneric.ml
Qihoo-360Generic/HEUR/QVM20.1.799F.Malware.Gen

How to remove Trojan.Win32.Qbot.nb 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 Trojan.Win32.Qbot.nb 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 Trojan.Win32.Qbot.nb 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/comparison

About the author

Robert Bailey

I'm Robert Bailey, a passionate Security Engineer with a deep fascination for all things related to malware, reverse engineering, and white hat ethical hacking.

As a white hat hacker, I firmly believe in the power of ethical hacking to bolster security measures. By identifying vulnerabilities and providing solutions, I contribute to the proactive defense of digital infrastructures.

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