BScope.Trojan.Cutwail

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

What is BScope.Trojan.Cutwail infection?

In this short article you will certainly discover about the definition of BScope.Trojan.Cutwail as well as its unfavorable influence on your computer. Such ransomware are a type of malware that is clarified by online scams to demand paying the ransom by a target.

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Most of the instances, BScope.Trojan.Cutwail virus will instruct its victims to initiate funds transfer for the function of neutralizing the modifications that the Trojan infection has actually introduced to the victim’s gadget.

BScope.Trojan.Cutwail 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.
  • 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.
  • A process attempted to delay the analysis task.;
  • Reads data out of its own binary image. The trick that allows the malware to read data out of your computer’s memory.

    Everything you run, type, or click on your computer goes through the memory. This includes passwords, bank account numbers, emails, and other confidential information. With this vulnerability, there is the potential for a malicious program to read that data.

  • The binary likely contains encrypted or compressed data. In this case, encryption is a way of hiding virus’ code from antiviruses and virus’ analysts.
  • Uses Windows utilities for basic functionality;
  • Attempts to repeatedly call a single API many times in order to delay analysis time. This significantly complicates the work of the virus analyzer. Typical malware tactics!
  • 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;
  • Creates a slightly modified copy of itself;
  • Anomalous binary characteristics. This is a way of hiding virus’ code from antiviruses and virus’ analysts.
  • Ciphering the documents situated on the target’s hard disk — so the sufferer can no more make use of the data;
  • Preventing normal accessibility to the sufferer’s workstation. This is the typical behavior of a virus called locker. It blocks access to the computer until the victim pays the ransom.

BScope.Trojan.Cutwail

One of the most common networks where BScope.Trojan.Cutwail Ransomware Trojans are infused are:

  • By means of phishing e-mails;
  • As a repercussion of user winding up on a resource that hosts a harmful software application;

As quickly as the Trojan is efficiently infused, it will certainly either cipher the data on the sufferer’s PC or stop the tool from operating in a correct manner – while additionally placing a ransom money note that points out the need for the targets to impact the settlement for the function of decrypting the records or recovering the data system back to the initial condition. In a lot of instances, the ransom money note will turn up when the client restarts the COMPUTER after the system has currently been harmed.

BScope.Trojan.Cutwail distribution channels.

In different corners of the globe, BScope.Trojan.Cutwail grows by jumps as well as bounds. However, the ransom notes and techniques of obtaining the ransom quantity might vary depending on certain local (local) settings. The ransom notes and also techniques of obtaining the ransom money quantity may differ depending on particular regional (local) setups.

Ransomware injection

For example:

    Faulty notifies concerning unlicensed software program.

    In certain locations, the Trojans frequently wrongfully report having found some unlicensed applications made it possible for on the victim’s tool. The alert then demands the individual to pay the ransom money.

    Faulty statements concerning unlawful web content.

    In countries where software piracy is less prominent, this method is not as reliable for the cyber fraudulences. Conversely, the BScope.Trojan.Cutwail popup alert may wrongly declare to be deriving from a law enforcement organization and also will report having situated kid pornography or various other illegal information on the tool.

    BScope.Trojan.Cutwail popup alert may falsely claim to be obtaining from a legislation enforcement institution as well as will report having located youngster porn or other prohibited data on the gadget. The alert will likewise include a demand for the individual to pay the ransom.

Technical details

File Info:

crc32: 8559A4B4
md5: dff4ba52a968a519ecc865abc1c5299b
name: DFF4BA52A968A519ECC865ABC1C5299B.mlw
sha1: 8929cf30a1b0582952d055a04d492ab6728f1c14
sha256: 7c98af2e19ca82ac99696d4a64d632331d9855dcffd5ae656d8297ca1dad5fab
sha512: b79e5d38ab2d7d748e6254177800ff7d64542f9e08f1ee3e7e0a7ef421b308fb4047df6523532e0e441ba507be8f85f392dbd15138c7f9b027c69b86dceb09b3
ssdeep: 6144:hBo9VfY6UgkeYvgCddAGPK9IndPNDhvBGB/tS9JU:hB9V9vgCXAGPK9SPNVBIaU
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

Translation: 0x0789 0x04b1

BScope.Trojan.Cutwail also known as:

GridinSoft Trojan.Ransom.Gen
Bkav W32.AIDetect.malware1
K7AntiVirus Trojan ( 0053305e1 )
Elastic malicious (high confidence)
DrWeb Trojan.PWS.Stealer.23816
Cynet Malicious (score: 100)
CAT-QuickHeal Trojan.Chapak.ZZ5
ALYac Trojan.Ransom.GandCrab.Gen.2
Cylance Unsafe
Zillya Trojan.Gozi.Win32.128
Sangfor Win.Packed.Gandcrab-6552923-4
CrowdStrike win/malicious_confidence_100% (D)
K7GW Trojan ( 0053305e1 )
Cybereason malicious.2a968a
Cyren W32/S-8ce49c37!Eldorado
Symantec Packed.Generic.525
ESET-NOD32 a variant of Win32/Kryptik.GGRC
APEX Malicious
Avast FileRepMalware
ClamAV Win.Packed.Gandcrab-6552923-4
Kaspersky HEUR:Trojan.Win32.Generic
BitDefender Trojan.Ransom.GandCrab.Gen.2
NANO-Antivirus Trojan.Win32.Chapak.fbufmb
ViRobot Trojan.Win32.GandCrab.Gen.A
SUPERAntiSpyware Ransom.GandCrab/Variant
MicroWorld-eScan Trojan.Ransom.GandCrab.Gen.2
Tencent Malware.Win32.Gencirc.10c95249
Ad-Aware Trojan.Ransom.GandCrab.Gen.2
Sophos ML/PE-A + Mal/Agent-AUL
Comodo TrojWare.Win32.Chapak.GG@7ne4ou
BitDefenderTheta Gen:NN.ZexaF.34608.uyX@aCdEPSpi
VIPRE BehavesLike.Win32.Malware (v)
TrendMicro Ransom_GANDCRAB.SMD3
McAfee-GW-Edition BehavesLike.Win32.Generic.fc
FireEye Generic.mg.dff4ba52a968a519
Emsisoft Trojan.Ransom.GandCrab.Gen.2 (B)
SentinelOne Static AI – Malicious PE
Avira HEUR/AGEN.1103298
eGambit Unsafe.AI_Score_99%
Microsoft Ransom:Win32/Gandcrab.E!MTB
Arcabit Trojan.Ransom.GandCrab.Gen.2
AegisLab Trojan.Win32.GandCrypt.j!c
GData Trojan.Ransom.GandCrab.Gen.2
AhnLab-V3 Win-Trojan/Gandcrab.Exp
Acronis suspicious
McAfee GenericRXFJ-RT!DFF4BA52A968
MAX malware (ai score=100)
VBA32 BScope.Trojan.Cutwail
Malwarebytes Trojan.MalPack
Panda Trj/Genetic.gen
TrendMicro-HouseCall Ransom_GANDCRAB.SMD3
Rising Trojan.Kryptik!1.B1E3 (RDMK:cmRtazoLZMX16rDllZgRGRysgf7x)
Yandex Trojan.GenAsa!jlB7HmweyuA
Ikarus Trojan.Win32.Krypt
MaxSecure Ransomeware.GandCrypt.Gen
Fortinet W32/Agent.BFJ!tr
AVG FileRepMalware
Paloalto generic.ml
Qihoo-360 Win32/Trojan.Ransom.979

How to remove BScope.Trojan.Cutwail 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 BScope.Trojan.Cutwail 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 BScope.Trojan.Cutwail 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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