Troj/Xtbl-CW

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

What is Troj/Xtbl-CW infection?

In this short article you will certainly find concerning the definition of Troj/Xtbl-CW and its adverse impact on your computer. Such ransomware are a type of malware that is elaborated by on the internet scams to demand paying the ransom by a target.

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In the majority of the cases, Troj/Xtbl-CW ransomware will certainly advise its targets to initiate funds move for the objective of neutralizing the modifications that the Trojan infection has actually introduced to the target’s tool.

Troj/Xtbl-CW Summary

These alterations 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.
  • Attempts to connect to a dead IP:Port (2 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.
  • Starts servers listening on 127.0.0.1:48394;
  • 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.
  • 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 Tor on the infected machine;
  • 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 about installed applications;
  • Creates a hidden or system file. The malware adds the hidden attribute to every file and folder on your system, so it appears as if everything has been deleted from your hard drive.
  • Creates a copy of itself;
  • Anomalous binary characteristics. This is a way of hiding virus’ code from antiviruses and virus’ analysts.
  • Ciphering the files situated on the victim’s hard disk drive — so the target can no more utilize the information;
  • Preventing normal 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
z.whorecord.xyzRansom.Win32.SHADE.SMA.hp
a.tomx.xyzRansom.Win32.SHADE.SMA.hp

Troj/Xtbl-CW

The most regular networks whereby Troj/Xtbl-CW Ransomware Trojans are infused are:

  • By means of phishing e-mails;
  • As a consequence of customer ending up on a source that hosts a destructive software application;

As soon as the Trojan is successfully infused, it will either cipher the data on the sufferer’s PC or prevent the device from working in a proper way – while likewise placing a ransom money note that states the need for the targets to impact the payment for the objective of decrypting the files or restoring the data system back to the preliminary problem. In most circumstances, the ransom note will show up when the client reboots the COMPUTER after the system has currently been damaged.

Troj/Xtbl-CW distribution channels.

In various edges of the world, Troj/Xtbl-CW grows by jumps and bounds. Nonetheless, the ransom notes as well as tricks of obtaining the ransom money amount might vary depending on certain neighborhood (local) setups. The ransom money notes and techniques of extorting the ransom amount might differ depending on particular local (local) setups.

Ransomware injection

As an example:

    Faulty informs about unlicensed software program.

    In particular locations, the Trojans often wrongfully report having discovered some unlicensed applications allowed on the target’s device. The sharp after that demands the user to pay the ransom.

    Faulty declarations about prohibited content.

    In countries where software program piracy is much less popular, this method is not as efficient for the cyber scams. Additionally, the Troj/Xtbl-CW popup alert might wrongly assert to be originating from a law enforcement organization and also will report having situated kid pornography or other prohibited data on the device.

    Troj/Xtbl-CW popup alert may falsely assert to be obtaining from a law enforcement establishment as well as will certainly report having situated youngster pornography or other unlawful information on the tool. The alert will in a similar way contain a need for the customer to pay the ransom money.

Technical details

File Info:

crc32: 2BBABE0C
md5: 6c5a58b7e7788ca66dc9e34d25aeaf9c
name: 1c.jpg
sha1: 2be6196a12b76f09ba4d4fbfd7f62c56b05ceb0c
sha256: 448e299e8b9a9fe5e4c89b5192aa3034be37588366172ceba7db9f5816d18523
sha512: 4219e1219042f7f2355807ed7f68dcf4dcfdd9827ef4f277b39d7aafdaba71eb939acbc473f6352285faf6ac5d7376f666ed95f4ced37f12cb51e381154645fa
ssdeep: 24576:8zWuYg/8kz9ncHy/B5uwMp1p4pGj3m91dscI/R:8CuYA8kZnpB5uw+1p44S91gR
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

LegalCopyright: Copyright xa9 Hilgraeve, Inc. 2001
InternalName: HyperTrm
FileVersion: 5.1.2600.0
CompanyName: Hilgraeve, Inc.
LegalTrademarks: HyperTerminal xae is a registered trademark of Hilgraeve, Inc.
Comments: HyperTerminal xae was developed by Hilgraeve, Inc. for Microsoft
ProductName: Microsoftxae Windowsxae Operating System
ProductVersion: 5.1.2600.0
FileDescription: HyperTerminal Applet
OriginalFilename: HYPERTRM.EXE
Translation: 0x0409 0x0000

Troj/Xtbl-CW also known as:

GridinSoftTrojan.Ransom.Gen
MicroWorld-eScanTrojan.GenericKD.32208379
Qihoo-360Win32/Virus.NetTool.e35
McAfeeTrojan-FRHB!6C5A58B7E778
CylanceUnsafe
VIPRETrojan.Win32.Generic!BT
SangforMalware
K7AntiVirusTrojan ( 0054985e1 )
BitDefenderTrojan.GenericKD.32208379
K7GWTrojan ( 0054985e1 )
Cybereasonmalicious.a12b76
ArcabitTrojan.Generic.D1EB75FB
TrendMicroRansom.Win32.SHADE.SMA.hp
F-ProtW32/Agent.BAE.gen!Eldorado
SymantecDownloader
ESET-NOD32a variant of Win32/Kryptik.GLWT
APEXMalicious
Paloaltogeneric.ml
KasperskyHEUR:Trojan-Ransom.Win32.Shade.gen
AlibabaRansom:Win32/Shade.379d666a
NANO-AntivirusTrojan.Win32.Encoder.fupzzt
TencentWin32.Trojan.Falsesign.Wqdm
Endgamemalicious (high confidence)
EmsisoftTrojan-Ransom.Shade (A)
ComodoMalware@#2s0bzbs7i7cb2
F-SecureTrojan.TR/Crypt.Agent.tkrmo
DrWebTrojan.Encoder.29151
ZillyaTrojan.Shade.Win32.1132
Invinceaheuristic
McAfee-GW-EditionTrojan-FRHB!6C5A58B7E778
FortinetW32/Shade.CW!tr.ransom
Trapminemalicious.moderate.ml.score
FireEyeGeneric.mg.6c5a58b7e7788ca6
SophosTroj/Xtbl-CW
IkarusTrojan.Win32.CryptInject
CyrenW32/Agent.BAE.gen!Eldorado
JiangminTrojan.Shade.wk
WebrootW32.Trojan.Gen
AviraTR/Crypt.Agent.tkrmo
MicrosoftTrojan:Win32/CryptInject.SD!MTB
ZoneAlarmHEUR:Trojan-Ransom.Win32.Shade.gen
AhnLab-V3Trojan/Win32.Agent.R283889
Acronissuspicious
VBA32Malware-Cryptor.Kirgudu
ALYacTrojan.Ransom.Shade
Ad-AwareTrojan.GenericKD.32208379
PandaTrj/GdSda.A
TrendMicro-HouseCallRansom.Win32.SHADE.SMA.hp
RisingTrojan.Generic@ML.84 (RDMK:pjRkgOA7HdThZ1oIveZCvQ)
YandexTrojan.Kryptik!c9SnDo5SOn0
SentinelOneDFI – Suspicious PE
eGambitPE.Heur.InvalidSig
GDataTrojan.GenericKD.32208379
BitDefenderThetaGen:NN.ZexaF.34084.dr1@aCDqUsfi
AVGWin32:Malware-gen
AvastWin32:Malware-gen
CrowdStrikewin/malicious_confidence_100% (W)
MaxSecureTrojan.Malware.12181669.susgen

How to remove Troj/Xtbl-CW 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 Troj/Xtbl-CW 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/Xtbl-CW 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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