Win32:TeslaCrypt-DZ [Trj]

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

What is Win32:TeslaCrypt-DZ [Trj] infection?

In this article you will certainly discover about the meaning of Win32:TeslaCrypt-DZ [Trj] and its adverse effect on your computer. Such ransomware are a type of malware that is specified by online frauds to demand paying the ransom by a sufferer.

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In the majority of the situations, Win32:TeslaCrypt-DZ [Trj] ransomware will instruct its sufferers to launch funds move for the objective of reducing the effects of the modifications that the Trojan infection has actually presented to the sufferer’s device.

Win32:TeslaCrypt-DZ [Trj] 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);
  • Compression (or decompression);
  • 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;
  • 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.

  • A process created a hidden window;
  • Unconventionial language used in binary resources: Greek;
  • Uses Windows utilities for basic functionality;
  • Executed a process and injected code into it, probably while unpacking;
  • Attempts to remove evidence of file being downloaded from the Internet;
  • Attempts to delete volume shadow copies;
  • Exhibits behavior characteristic of Alphacrypt/Teslacrypt ransomware;
  • 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
  • Writes a potential ransom message to disk;
  • Attempts to identify installed AV products by registry key;
  • Attempts to modify proxy settings. This trick used for inject malware into connection between browser and server;
  • Anomalous binary characteristics. This is a way of hiding virus’ code from antiviruses and virus’ analysts.
  • Uses suspicious command line tools or Windows utilities;
  • Ciphering the files situated on the victim’s hard drive — so the victim can no more utilize the data;
  • Preventing routine accessibility 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.

Win32:TeslaCrypt-DZ [Trj]

The most normal networks where Win32:TeslaCrypt-DZ [Trj] Trojans are injected are:

  • By ways of phishing e-mails;
  • As an effect of individual winding up on a resource that organizes a destructive software;

As quickly as the Trojan is efficiently infused, it will certainly either cipher the information on the target’s PC or avoid the gadget from functioning in a proper manner – while additionally placing a ransom money note that discusses the requirement for the victims to effect the repayment for the objective of decrypting the documents or restoring the data system back to the first condition. In most circumstances, the ransom money note will come up when the customer reboots the PC after the system has actually already been harmed.

Win32:TeslaCrypt-DZ [Trj] circulation channels.

In different edges of the world, Win32:TeslaCrypt-DZ [Trj] expands by leaps and also bounds. Nonetheless, the ransom notes and also tricks of extorting the ransom amount may vary depending upon specific local (regional) settings. The ransom money notes and also methods of extorting the ransom money amount may vary depending on specific regional (regional) settings.

Ransomware injection

As an example:

    Faulty informs about unlicensed software application.

    In certain locations, the Trojans commonly wrongfully report having discovered some unlicensed applications allowed on the target’s tool. The alert then demands the individual to pay the ransom.

    Faulty statements about illegal web content.

    In countries where software application piracy is less popular, this method is not as reliable for the cyber frauds. Conversely, the Win32:TeslaCrypt-DZ [Trj] popup alert might incorrectly claim to be originating from a law enforcement institution and also will certainly report having located kid porn or various other prohibited information on the gadget.

    Win32:TeslaCrypt-DZ [Trj] popup alert might wrongly assert to be acquiring from a law enforcement establishment and also will report having located youngster pornography or various other illegal data on the device. The alert will similarly include a requirement for the individual to pay the ransom.

Technical details

File Info:

crc32: 685904BC
md5: 24f1013d20000f6fdee69cef8fc6c2da
name: 24F1013D20000F6FDEE69CEF8FC6C2DA.mlw
sha1: 74286b1933d8431419b61da1e7601fc61255f276
sha256: 25d1af01a1fe8a80ba61d61f3c5185c492edf677bbebae43bedbc950f08e7180
sha512: 907d00d11a61db3ea93bad511f9ef162764be685c993aa5bb7cda5192ae9ce0f3b01ae7c909663a97995c3caa66d34886ebfb53682fa179b7d048dfcf52e1b8a
ssdeep: 12288:fodzxqluAqW8fOfHo9xIonc48GwUZSQZDsE:wZB8jUcQZT
type: PE32 executable (console) Intel 80386, for MS Windows

Version Info:

LegalCopyright: Ibex (C) 2015
InternalName: Overfly
FileVersion: 211, 69, 146, 231
CompanyName: GotAllMedia
ProductName: Octane Owning
FileDescription: Indelible
OriginalFilename: Minedetector.exe

Win32:TeslaCrypt-DZ [Trj] also known as:

GridinSoftTrojan.Ransom.Gen
BkavW32.CnprsirysYRZ.Trojan
K7AntiVirusTrojan ( 004b56ff1 )
Elasticmalicious (high confidence)
DrWebTrojan.AVKill.63850
CynetMalicious (score: 100)
CylanceUnsafe
ZillyaTrojan.Filecoder.Win32.1232
SangforTrojan.Win32.Save.a
CrowdStrikewin/malicious_confidence_100% (W)
AlibabaTrojan:Win32/TeslaCrypt.daa17312
K7GWTrojan ( 004b56ff1 )
Cybereasonmalicious.d20000
CyrenW32/Filecoder.EDZZ-1888
SymantecTrojan.Gen
ESET-NOD32Win32/Filecoder.TeslaCrypt.I
ZonerTrojan.Win32.36382
APEXMalicious
AvastWin32:TeslaCrypt-DZ [Trj]
ClamAVWin.Trojan.Generickd-4004
KasperskyHEUR:Trojan.Win32.Generic
BitDefenderTrojan.Cripack.Gen.1
NANO-AntivirusTrojan.Win32.AVKill.dymioa
ViRobotTrojan.Win32.TeslaCrypt.Gen.B
MicroWorld-eScanTrojan.Cripack.Gen.1
TencentMalware.Win32.Gencirc.114c66ec
Ad-AwareTrojan.Cripack.Gen.1
SophosMal/Generic-R + Troj/Ransom-BRV
ComodoMalware@#3smzj9pu7wlvl
BitDefenderThetaGen:NN.ZexaF.34628.zq0@aa58yGlG
VIPRETrojan.Win32.Generic!BT
TrendMicroRansom_CRYPTESLA.SM0
McAfee-GW-EditionGenericR-FAY!24F1013D2000
FireEyeGeneric.mg.24f1013d20000f6f
EmsisoftTrojan.Cripack.Gen.1 (B)
SentinelOneStatic AI – Malicious PE
JiangminTrojan.Yakes.bzt
WebrootTrojan.Dropper.Gen
AviraTR/Crypt.ZPACK.200870
eGambitUnsafe.AI_Score_93%
MicrosoftRansom:Win32/Tescrypt.C
AegisLabTrojan.Win32.Generic.4!c
GDataTrojan.Cripack.Gen.1
AhnLab-V3Trojan/Win32.Teslacrypt.R168154
McAfeeGenericR-FAY!24F1013D2000
MAXmalware (ai score=100)
VBA32Trojan.Yakes
PandaTrj/Genetic.gen
TrendMicro-HouseCallRansom_CRYPTESLA.SM0
RisingTrojan.Win32.Ransom.bp (CLASSIC)
YandexTrojan.Filecoder!1Pr+5OTIC0c
IkarusTrojan.Win32.Filecoder
FortinetW32/Kryptik.EQEH!tr
AVGWin32:TeslaCrypt-DZ [Trj]
Paloaltogeneric.ml
Qihoo-360Win32/Ransom.Bitman.HxQBEpsA

How to remove Win32:TeslaCrypt-DZ [Trj] 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 Win32:TeslaCrypt-DZ [Trj] 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 Win32:TeslaCrypt-DZ [Trj] 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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