Troj/Qbot-FS

What is Troj/Qbot-FS infection?

In this article you will certainly find concerning the interpretation of Troj/Qbot-FS and its adverse influence on your computer system. Such ransomware are a kind of malware that is elaborated by on-line frauds to demand paying the ransom money by a victim.

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Most of the instances, Troj/Qbot-FS ransomware will certainly instruct its victims to launch funds move for the objective of neutralizing the modifications that the Trojan infection has actually introduced to the victim’s device.

Troj/Qbot-FS Summary

These adjustments 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);
  • Attempts to connect to a dead IP:Port (1 unique times);
  • 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.;
  • 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;
  • 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.
  • 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;
  • 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.
  • Ciphering the records situated on the sufferer’s hard disk — so the sufferer can no more make use of the data. This is the typical behavior of malware known as ransomware that encrypts a victim’s files. The cybercriminal then demands a ransom from the victim to restore access to the data upon payment.
  • Preventing routine accessibility to the target’s workstation. This is the typical behavior of a virus called locker. It blocks access to the computer until the victim pays the ransom.
Similar behavior
Related domains
www.ip-adress.com BScope.TrojanRansom.Shade
ocsp.usertrust.com BScope.TrojanRansom.Shade
crl.comodoca.com BScope.TrojanRansom.Shade
ocsp.comodoca.com BScope.TrojanRansom.Shade
crl.usertrust.com BScope.TrojanRansom.Shade

Troj/Qbot-FS

One of the most common networks through which Troj/Qbot-FS Ransomware Trojans are injected are:

  • By methods of phishing emails;
  • As a repercussion of individual winding up on a resource that hosts a malicious software program;

As soon as the Trojan is successfully infused, it will certainly either cipher the data on the victim’s PC or prevent the tool from operating in an appropriate fashion – while additionally putting a ransom note that discusses the need for the sufferers to impact the repayment for the objective of decrypting the documents or recovering the documents system back to the preliminary condition. In the majority of circumstances, the ransom money note will show up when the customer reboots the PC after the system has actually already been harmed.

Troj/Qbot-FS circulation networks.

In numerous corners of the globe, Troj/Qbot-FS grows by leaps and also bounds. Nonetheless, the ransom notes and also tricks of extorting the ransom money amount may differ relying on specific neighborhood (local) setups. The ransom notes as well as methods of extorting the ransom money quantity might differ depending on particular local (local) settings.

Ransomware injection

For instance:

    Faulty alerts regarding unlicensed software.

    In certain locations, the Trojans usually wrongfully report having actually identified some unlicensed applications made it possible for on the victim’s tool. The alert after that demands the customer to pay the ransom money.

    Faulty statements concerning illegal web content.

    In nations where software piracy is much less preferred, this technique is not as efficient for the cyber fraudulences. Alternatively, the Troj/Qbot-FS popup alert might incorrectly claim to be stemming from a police organization as well as will report having situated youngster pornography or other unlawful information on the device.

    Troj/Qbot-FS popup alert may wrongly claim to be obtaining from a law enforcement organization as well as will report having located kid porn or various other illegal information on the device. The alert will in a similar way have a need for the user to pay the ransom.

Technical details

File Info:

crc32: 6E048654
md5: 42d0b15fa75f87804f719cbb63bb8404
name: 8888.png
sha1: 7028a4472e3602da9988e4a33677a83d07668d6f
sha256: 66964a3e7b87e0bfea54172cf880901f901bcdebaffd91821f010c774e7f8cd4
sha512: 5623815bb32e9f4cfd9a74dac091948f2e90050fddf1e0ce186fdfe8416b3365e34a5e86316da943fdd56fdcebfce9b980eba592104a6760721a0b565ebe8487
ssdeep: 6144:xUEO5Cs4zH8Qe3xpq2SGtXvemX3wvm+e:xUE8CsB3WGtXvTg+
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

LegalCopyright: xa9 2007, 2013 Oracle and/or its affiliates. All rights reserved.
InternalName: nbexec
FileVersion: 8.0.0.0
Full Version: 09062013
CompanyName: Oracle Corporation
ProductName: NetBeans Platform Launcher 8.0
ProductVersion: 8.0.0.0
FileDescription: NetBeans Platform Launcher
OriginalFilename: nbexec.exe
Translation: 0x0000 0x04b0

Troj/Qbot-FS also known as:

GridinSoft Trojan.Ransom.Gen
Bkav W32.AIDetectVM.malware2
MicroWorld-eScan Trojan.GenericKDZ.66875
FireEye Generic.mg.42d0b15fa75f8780
McAfee Trojan-FSGA!42D0B15FA75F
Cylance Unsafe
VIPRE Trojan.Win32.Generic!BT
K7AntiVirus Trojan ( 00565d631 )
BitDefender Trojan.GenericKDZ.66875
K7GW Trojan ( 00565d631 )
Cybereason malicious.fa75f8
BitDefenderTheta Gen:NN.ZexaF.34108.5r0@aK2W50pi
ESET-NOD32 a variant of Win32/Kryptik.HDBX
APEX Malicious
Avast Win32:BankerX-gen [Trj]
ClamAV Win.Dropper.Qakbot-7727897-0
GData Trojan.GenericKDZ.66875
Kaspersky Trojan.Win32.Zenpak.aaka
Tencent Malware.Win32.Gencirc.10b9ebcd
Ad-Aware Trojan.GenericKDZ.66875
Emsisoft Trojan.GenericKDZ.66875 (B)
F-Secure Trojan.TR/AD.Qbot.kpgxk
DrWeb Trojan.Inject3.39416
Invincea heuristic
McAfee-GW-Edition BehavesLike.Win32.Dropper.tz
Sophos Troj/Qbot-FS
Jiangmin Trojan.Zenpak.bpc
MaxSecure Trojan.Malware.98461218.susgen
Avira TR/AD.Qbot.kpgxk
Antiy-AVL Trojan/Win32.Zenpak
Endgame malicious (high confidence)
Arcabit Trojan.Generic.D1053B
AhnLab-V3 Malware/Win32.RL_Generic.R335066
ZoneAlarm Trojan.Win32.Zenpak.aaka
Microsoft Trojan:Win32/Qbot.MXI!MTB
Acronis suspicious
VBA32 BScope.TrojanRansom.Shade
ALYac Trojan.GenericKDZ.66875
MAX malware (ai score=84)
Malwarebytes Backdoor.Qbot
Panda Trj/GdSda.A
Rising Backdoor.Qakbot!8.C7B (TFE:dGZlOgLn4a1PkkDgNA)
Yandex Trojan.GenKryptik!
SentinelOne DFI – Malicious PE
eGambit Unsafe.AI_Score_61%
Fortinet W32/Ursnif.CZ!tr
AVG Win32:BankerX-gen [Trj]
CrowdStrike win/malicious_confidence_70% (D)
Qihoo-360 HEUR/QVM20.1.0744.Malware.Gen

How to remove Troj/Qbot-FS 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 Troj/Qbot-FS 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 Troj/Qbot-FS 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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