Trojan:JS/Denali.AB!MTB

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

What is Trojan:JS/Denali.AB!MTB infection?

In this post you will certainly find regarding the interpretation of Trojan:JS/Denali.AB!MTB as well as its unfavorable influence on your computer. Such ransomware are a kind of malware that is clarified by on-line scams to require paying the ransom by a sufferer.

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Most of the cases, Trojan:JS/Denali.AB!MTB virus will certainly advise its sufferers to launch funds move for the objective of neutralizing the amendments that the Trojan infection has actually introduced to the target’s tool.

Trojan:JS/Denali.AB!MTB Summary

These adjustments 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.
  • Detected script timer window indicative of sleep style evasion;
  • 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.

  • 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.
  • Unconventionial language used in binary resources: Russian;
  • A scripting utility was executed;
  • Creates or sets a registry key to a long series of bytes, possibly to store a binary or malware config;
  • 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
  • Stores JavaScript or a script command in the registry, likely for persistence or configuration;
  • Likely virus infection of existing system binary;
  • A wscript.exe process commonly used in script or document file downloaders initiated network activity;
  • Anomalous binary characteristics. This is a way of hiding virus’ code from antiviruses and virus’ analysts.
  • Ciphering the papers situated on the sufferer’s hard drive — so the target can no longer use the information;
  • Preventing normal access to the victim’s workstation. This is the typical behavior of a virus called locker. It blocks access to the computer until the victim pays the ransom.

Trojan:JS/Denali.AB!MTB

The most normal networks through which Trojan:JS/Denali.AB!MTB Ransomware Trojans are injected are:

  • By methods of phishing e-mails. Email phishing is a cyber attack that uses disguised email as a goal is to trick the recipient into believing that the message is something they want or need — a request from their bank, for instance, or a note from someone in their company — and to click a link for download a malware.
  • As an effect of individual ending up on a resource that organizes a malicious software;

As soon as the Trojan is efficiently infused, it will certainly either cipher the data on the victim’s PC or prevent the device from operating in a proper way – while likewise positioning a ransom note that states the need for the victims to effect the settlement for the objective of decrypting the documents or restoring the documents system back to the first problem. In a lot of instances, the ransom note will turn up when the customer restarts the PC after the system has actually already been harmed.

Trojan:JS/Denali.AB!MTB distribution channels.

In different corners of the world, Trojan:JS/Denali.AB!MTB grows by leaps and also bounds. Nonetheless, the ransom money notes as well as methods of extorting the ransom quantity might differ relying on particular local (local) settings. The ransom notes and also tricks of extorting the ransom quantity may differ depending on specific neighborhood (local) setups.

Ransomware injection

For example:

    Faulty signals regarding unlicensed software application.

    In certain areas, the Trojans commonly wrongfully report having discovered some unlicensed applications enabled on the target’s tool. The alert after that requires the individual to pay the ransom money.

    Faulty declarations regarding illegal content.

    In nations where software program piracy is much less preferred, this approach is not as reliable for the cyber scams. Additionally, the Trojan:JS/Denali.AB!MTB popup alert might wrongly claim to be deriving from a law enforcement organization and will report having located youngster pornography or other prohibited information on the gadget.

    Trojan:JS/Denali.AB!MTB popup alert may incorrectly declare to be acquiring from a regulation enforcement institution and will report having located youngster pornography or various other prohibited information on the tool. The alert will likewise include a requirement for the individual to pay the ransom money.

Technical details

File Info:

crc32: 0D7BB344
md5: 384b434bcfeec7287cf02b7aefa06c52
name: upload_file
sha1: 8e2abd5f01f36b38d3674847dff518e7a4eef897
sha256: 0aa70e7306349ec1f3b27d683bfb3fd717f242e86b508b4051e3691c584fbf8d
sha512: a33c8f4c6746d16cd39a19c4ba9fcc3ebabefdeb443c2e46585958bc1d10fca4ff44a6c2612acec5fb284935121ebbf1f4f6028df9060beb38f9e4d01da7d235
ssdeep: 49152:HAI+4uCiBg4xu/dCXr3Fbbcnn7hB2KeOK6I5vJhSnEyQh:HAI+4ia4xu/Qb3p4feOLI5xgnPQh
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

LegalCopyright: Investintech.com Inc.
FileDescription: SlimPDF Reader 2.10 Installation
FileVersion: 2.10
Comments:
CompanyName: Investintech.com Inc.
Translation: 0x0409 0x04e4

Trojan:JS/Denali.AB!MTB also known as:

GridinSoftTrojan.Ransom.Gen
BkavW32.AIDetectVM.malware2
MicroWorld-eScanTrojan.GenericKD.34745246
FireEyeGeneric.mg.384b434bcfeec728
McAfeeArtemis!384B434BCFEE
CylanceUnsafe
VIPRETrojan.Win32.Generic!BT
SangforMalware
K7AntiVirusTrojan ( 00570c081 )
BitDefenderTrojan.GenericKD.34745246
K7GWTrojan ( 00570c081 )
InvinceaMal/Generic-S
CyrenJS/Downldr.SQ!Eldorado
SymantecTrojan Horse
APEXMalicious
AvastOther:Malware-gen [Trj]
KasperskyTrojan-Ransom.Win32.Blocker.mqba
AlibabaTrojan:Win32/MalMail.ali2000008
NANO-AntivirusTrojan.Script.Heuristic-js.iacgm
ViRobotTrojan.Win32.Z.Script.1795889
AegisLabTrojan.Win32.Generic.4!c
TencentWin32.Trojan.Blocker.Ljkl
Ad-AwareTrojan.GenericKD.34745246
EmsisoftTrojan.GenericKD.34745246 (B)
ComodoMalware@#3pihdcq3n7ezt
F-SecureMalware.JS/Vjworm.bojqp
DrWebTrojan.Siggen10.35705
TrendMicroTrojan.Win32.DUNIHI.THJOIBO
McAfee-GW-EditionBehavesLike.Win32.Dropper.tc
SophosMal/Generic-S
IkarusTrojan-Dropper.JS.Agent
JiangminTrojan.Blocker.sna
WebrootW32.Dropper.Gen
AviraJS/Vjworm.bojqp
MAXmalware (ai score=83)
MicrosoftTrojan:JS/Denali.AB!MTB
ArcabitTrojan.Generic.D2122B9E
ZoneAlarmTrojan-Ransom.Win32.Blocker.mqba
GDataTrojan.GenericKD.34745246
CynetMalicious (score: 85)
ALYacTrojan.GenericKD.34745246
VBA32Worm.Jenxcus
PandaTrj/CI.A
ESET-NOD32JS/Vjworm.BM
TrendMicro-HouseCallTrojan.Win32.DUNIHI.THJOIBO
RisingTrojan.Obfus/JS!1.CD2A (CLASSIC)
SentinelOneDFI – Suspicious PE
eGambitUnsafe.AI_Score_100%
FortinetW32/Script.GENERIC!worm
AVGOther:Malware-gen [Trj]
Paloaltogeneric.ml
CrowdStrikewin/malicious_confidence_70% (W)
Qihoo-360Generic/HEUR/QVM05.1.7884.Malware.Gen

How to remove Trojan:JS/Denali.AB!MTB 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:JS/Denali.AB!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:

Full version of GridinSoft

Full version of GridinSoft Anti-Malware

If the guide doesn’t help you to remove Trojan:JS/Denali.AB!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/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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