Trojan:Win32/Qbot.SK!MTB

Written by Robert Bailey

What is Trojan:Win32/Qbot.SK!MTB infection?

In this post you will certainly locate about the interpretation of Trojan:Win32/Qbot.SK!MTB as well as its unfavorable effect on your computer. Such ransomware are a form of malware that is elaborated by online fraudulences to demand paying the ransom money by a sufferer.

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Most of the cases, Trojan:Win32/Qbot.SK!MTB ransomware will advise its victims to launch funds transfer for the purpose of reducing the effects of the changes that the Trojan infection has actually introduced to the sufferer’s device.

Trojan:Win32/Qbot.SK!MTB Summary

These modifications can be as adheres to:

  • 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);
  • 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;
  • 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;
  • 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;
  • 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
  • Creates a copy of itself;
  • Ciphering the documents found on the sufferer’s disk drive — so the target can no more use the data;
  • Preventing routine access to the sufferer’s workstation;

Trojan:Win32/Qbot.SK!MTB

The most common channels through which Trojan:Win32/Qbot.SK!MTB Trojans are injected are:

  • By ways of phishing emails;
  • As a consequence of customer ending up on a source that organizes a destructive software program;

As quickly as the Trojan is efficiently injected, it will either cipher the information on the sufferer’s PC or stop the device from functioning in an appropriate manner – while also placing a ransom money note that points out the demand for the sufferers to impact the repayment for the objective of decrypting the files or bring back the documents system back to the initial condition. In many circumstances, the ransom money note will turn up when the client restarts the COMPUTER after the system has currently been harmed.

Trojan:Win32/Qbot.SK!MTB distribution networks.

In various corners of the globe, Trojan:Win32/Qbot.SK!MTB grows by leaps and bounds. Nonetheless, the ransom notes and also tricks of obtaining the ransom money amount might differ depending on specific neighborhood (local) setups. The ransom notes and also techniques of extorting the ransom money amount might vary depending on specific regional (local) setups.

Ransomware injection

As an example:

    Faulty informs regarding unlicensed software application.

    In particular areas, the Trojans frequently wrongfully report having actually spotted some unlicensed applications allowed on the victim’s tool. The sharp after that requires the individual to pay the ransom money.

    Faulty statements about unlawful content.

    In countries where software application piracy is much less preferred, this technique is not as reliable for the cyber frauds. Alternatively, the Trojan:Win32/Qbot.SK!MTB popup alert may wrongly claim to be originating from a law enforcement organization and will certainly report having located child pornography or other illegal data on the tool.

    Trojan:Win32/Qbot.SK!MTB popup alert may wrongly assert to be acquiring from a legislation enforcement organization as well as will report having located child pornography or other prohibited data on the device. The alert will likewise contain a requirement for the individual to pay the ransom money.

Technical details

File Info:

crc32: ABB09F7E
md5: a6bda92705813da794580e557950bbf8
name: upload_file
sha1: d405fe42c56b56d8b7a7503b64ac39729942cf65
sha256: f571c5d2e235e1fe08b366d55d18dfa7166b9b094262e04cbd80cb90823aaf96
sha512: cce3dcf4fc559598f9e70ece9bf010f9bb4b0fa4f927818af074b638ec0b256a4bd4186cd09ddc50f2ab6983ca5bb2a2353b89d9ac0b7aed398c06bdb8df51b7
ssdeep: 6144:qGUgm5pEfjVcjeFZmDvUdvKUdFe0XV9Qu:qMBcjeEsdvK
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

0: [No Data]

Trojan:Win32/Qbot.SK!MTB also known as:

GridinSoft Trojan.Ransom.Gen
Bkav W32.AIDetectVM.malware1
Elastic malicious (high confidence)
MicroWorld-eScan Gen:Variant.Razy.740497
FireEye Generic.mg.a6bda92705813da7
CAT-QuickHeal Trojan.IgenericPMF.S15529160
ALYac Gen:Variant.Razy.740497
Cylance Unsafe
VIPRE Trojan.Win32.Generic!BT
AegisLab Hacktool.Win32.Krap.lKMc
Sangfor Malware
K7AntiVirus Trojan ( 0056cef71 )
BitDefender Gen:Variant.Razy.740497
K7GW Trojan ( 0056cef71 )
Cybereason malicious.705813
TrendMicro Backdoor.Win32.QAKBOT.SMF1
Cyren W32/Kryptik.BVI.gen!Eldorado
Symantec ML.Attribute.HighConfidence
APEX Malicious
Paloalto generic.ml
Cynet Malicious (score: 100)
Kaspersky HEUR:Trojan.Win32.Zenpak.vho
Alibaba Trojan:Win32/Zenpak.f2089f34
NANO-Antivirus Trojan.Win32.Yakes.hsokzt
Ad-Aware Gen:Variant.Razy.740497
F-Secure Trojan.TR/AD.Qbot.zobcp
DrWeb Trojan.Inject3.52098
Zillya Trojan.Kryptik.Win32.2384626
Invincea ML/PE-A + Mal/EncPk-APV
McAfee-GW-Edition BehavesLike.Win32.VirRansom.tz
MaxSecure Trojan.Malware.300983.susgen
Sophos Mal/EncPk-APV
Ikarus Trojan.Win32.Crypt
Jiangmin Trojan.Zenpak.cwj
Webroot W32.Trojan.Gen
Avira TR/AD.Qbot.zobcp
Antiy-AVL GrayWare/Win32.Kryptik.ehls
Microsoft Trojan:Win32/Qbot.SK!MTB
Arcabit Trojan.Razy.DB4C91
ZoneAlarm HEUR:Trojan.Win32.Zenpak.vho
GData Gen:Variant.Razy.740497
AhnLab-V3 Trojan/Win32.Yakes.R348616
McAfee W32/PinkSbot-HA!A6BDA9270581
MAX malware (ai score=84)
VBA32 BScope.Malware-Cryptor.SB.01798
Malwarebytes Backdoor.Qbot
Panda Trj/Agent.AJS
ESET-NOD32 a variant of Win32/Kryptik.HFVB
TrendMicro-HouseCall Backdoor.Win32.QAKBOT.SMF1
Rising Trojan.Kryptik!1.CA76 (CLASSIC)
SentinelOne DFI – Malicious PE
Fortinet W32/Kryptik.EYS!tr
BitDefenderTheta AI:Packer.2292D6611E
AVG Win32:Trojan-gen
Avast Win32:Trojan-gen
CrowdStrike win/malicious_confidence_80% (D)
Qihoo-360 Generic/HEUR/QVM20.1.7B3B.Malware.Gen

How to remove Trojan:Win32/Qbot.SK!MTB virus?

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.SK!MTB 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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Full version of GridinSoft Anti-Malware

If the guide doesn’t help you to remove Trojan:Win32/Qbot.SK!MTB 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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