Trojan.Qakbot

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

What is Trojan.Qakbot infection?

In this post you will certainly discover concerning the meaning of Trojan.Qakbot and also its adverse influence on your computer system. Such ransomware are a kind of malware that is specified by online fraudulences to demand paying the ransom money by a victim.

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Most of the situations, Trojan.Qakbot virus will certainly advise its victims to initiate funds transfer for the purpose of counteracting the changes that the Trojan infection has actually introduced to the target’s tool.

Trojan.Qakbot Summary

These alterations 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.
  • 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;
  • 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;
  • Performs some HTTP requests;
  • 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;
  • 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 victim’s hard disk drive — so the sufferer can no longer utilize the information;
  • Preventing regular accessibility to the sufferer’s workstation;
Similar behavior
Related domains
z.whorecord.xyz W32/GenKryptik.ELIQ!tr.ransom
a.tomx.xyz W32/GenKryptik.ELIQ!tr.ransom
www.ip-adress.com W32/GenKryptik.ELIQ!tr.ransom

Trojan.Qakbot

One of the most common networks where Trojan.Qakbot Trojans are infused are:

  • By ways of phishing emails;
  • As a repercussion of user ending up on a resource that holds a destructive software;

As quickly as the Trojan is successfully injected, it will either cipher the data on the target’s PC or protect against the gadget from working in a correct fashion – while additionally putting a ransom note that mentions the need for the targets to impact the repayment for the purpose of decrypting the papers or restoring the documents system back to the first problem. In many instances, the ransom money note will turn up when the customer reboots the COMPUTER after the system has actually already been damaged.

Trojan.Qakbot circulation channels.

In different corners of the world, Trojan.Qakbot grows by jumps as well as bounds. However, the ransom money notes as well as techniques of obtaining the ransom money amount may vary depending on particular local (local) settings. The ransom notes and methods of obtaining the ransom money amount might vary depending on particular neighborhood (regional) settings.

Ransomware injection

For example:

    Faulty signals concerning unlicensed software.

    In specific locations, the Trojans often wrongfully report having detected some unlicensed applications enabled on the target’s device. The alert after that demands the individual to pay the ransom money.

    Faulty declarations about illegal content.

    In nations where software piracy is less popular, this method is not as effective for the cyber fraudulences. Additionally, the Trojan.Qakbot popup alert might wrongly assert to be deriving from a police establishment and also will certainly report having located kid pornography or various other illegal information on the tool.

    Trojan.Qakbot popup alert may falsely declare to be deriving from a legislation enforcement institution as well as will certainly report having situated youngster pornography or other unlawful data on the device. The alert will similarly include a demand for the customer to pay the ransom.

Technical details

File Info:

crc32: 6BD03780
md5: 40f5796bcaa9672dc2f617eba1b26517
name: upload_file
sha1: 60974b32142f4b034398aada03b8297c965ed00c
sha256: 76238e43a6d175cd6d3266deba6d93a0bb3d27e37f7828c534b666c8b42be7f9
sha512: 970a948e6f3383a5146747011f90f1f8dd87ac64f4d89d5f54098429c8c8be0692c6baf94bdecf4c0f3bb44359d698362fc00584f7f34c55ebd752329676e5f7
ssdeep: 6144:PMhkpTK06/aA6udzpNi1yna2PiQ0erLeROSEGo89QNn/o8S2M1KpWwR+SHvRu4T:PMEK06CmNi1L54Z89QNNpJgC5j
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

0: [No Data]

Trojan.Qakbot also known as:

GridinSoft Trojan.Ransom.Gen
Elastic malicious (high confidence)
MicroWorld-eScan Trojan.GenericKDZ.69475
FireEye Generic.mg.40f5796bcaa9672d
CAT-QuickHeal Trojan.Qakbot
ALYac Trojan.GenericKDZ.69475
Cylance Unsafe
VIPRE Trojan.Win32.Generic!BT
AegisLab Trojan.Win32.Qbot.4!c
Sangfor Malware
K7AntiVirus Trojan ( 0056c9731 )
BitDefender Trojan.GenericKDZ.69475
K7GW Trojan ( 0056c9731 )
CrowdStrike win/malicious_confidence_60% (D)
Invincea heuristic
Cyren W32/Qbot.R.gen!Eldorado
Symantec ML.Attribute.HighConfidence
APEX Malicious
Avast Win32:DangerousSig [Trj]
Kaspersky UDS:DangerousObject.Multi.Generic
Alibaba Trojan:Win32/Qakbot.f8e64420
NANO-Antivirus Trojan.Win32.Qbot.hryjio
ViRobot Trojan.Win32.Z.Qbot.862136.XX
Rising Trojan.Kryptik!1.CAAA (CLASSIC)
Ad-Aware Trojan.GenericKDZ.69475
Comodo .UnclassifiedMalware@0
F-Secure Trojan.TR/AD.Qbot.FM
DrWeb BackDoor.Qbot.538
Zillya Trojan.Qbot.Win32.8497
TrendMicro TROJ_GEN.R002C0DHH20
Sophos Mal/EncPk-APW
SentinelOne DFI – Malicious PE
Jiangmin Trojan.Qbot.i
Avira TR/AD.Qbot.FM
MAX malware (ai score=80)
Antiy-AVL Trojan/Win32.Qbot
Microsoft Trojan:Win32/Qakbot.VD!Cert
Arcabit Trojan.Generic.D10F63
AhnLab-V3 Trojan/Win32.GenKryptik.R348158
ZoneAlarm UDS:DangerousObject.Multi.Generic
GData Trojan.GenericKDZ.69475
Cynet Malicious (score: 100)
ESET-NOD32 a variant of Win32/Kryptik.HFNW
McAfee W32/PinkSbot-HB!40F5796BCAA9
Malwarebytes Backdoor.Qbot
Panda Trj/Genetic.gen
TrendMicro-HouseCall Backdoor.Win32.QAKBOT.SMTHA
Ikarus Trojan.Cryptic
Fortinet W32/GenKryptik.ELIQ!tr.ransom
AVG Win32:DangerousSig [Trj]
Cybereason malicious.2142f4
Paloalto generic.ml
Qihoo-360 Generic/HEUR/QVM19.1.4F7F.Malware.Gen

How to remove Trojan.Qakbot 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.Qakbot 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.Qakbot 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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