Win32:TeslaCrypt-FN [Trj]

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

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

In this article you will certainly locate about the interpretation of Win32:TeslaCrypt-FN [Trj] and also its adverse influence on your computer system. Such ransomware are a form of malware that is clarified by on-line scams to demand paying the ransom by a target.

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In the majority of the instances, Win32:TeslaCrypt-FN [Trj] virus will certainly instruct its targets to start funds move for the function of neutralizing the amendments that the Trojan infection has actually presented to the victim’s device.

Win32:TeslaCrypt-FN [Trj] 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.
  • Injection (inter-process);
  • Injection (Process Hollowing);
  • Compression (or decompression);
  • Injection with CreateRemoteThread in a remote process;
  • 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.;
  • Repeatedly searches for a not-found process, may want to run with startbrowser=1 option;
  • Unconventionial language used in binary resources: Spanish (Modern);
  • Executed a process and injected code into it, probably while unpacking;
  • Code injection with CreateRemoteThread in a remote process;
  • Tries to unhook or modify Windows functions monitored by Cuckoo;
  • 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
  • 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 slightly modified copy of itself;
  • Ciphering the papers situated on the victim’s hard disk drive — so the victim can no longer make use of the data;
  • Preventing normal accessibility to the victim’s workstation;

Win32:TeslaCrypt-FN [Trj]

The most typical channels through which Win32:TeslaCrypt-FN [Trj] Ransomware Trojans are injected are:

  • By ways of phishing emails;
  • As a repercussion of individual ending up on a resource that holds a malicious software program;

As quickly as the Trojan is successfully infused, it will either cipher the information on the victim’s PC or avoid the gadget from operating in an appropriate way – while additionally positioning a ransom note that mentions the demand for the sufferers to impact the repayment for the function of decrypting the records or bring back the data system back to the preliminary problem. In most circumstances, the ransom note will turn up when the client restarts the PC after the system has actually currently been damaged.

Win32:TeslaCrypt-FN [Trj] circulation channels.

In different corners of the globe, Win32:TeslaCrypt-FN [Trj] grows by leaps as well as bounds. Nevertheless, the ransom notes as well as techniques of obtaining the ransom amount may differ relying on particular local (local) settings. The ransom notes as well as tricks of obtaining the ransom amount might vary depending on certain neighborhood (local) setups.

Ransomware injection

For instance:

    Faulty signals about unlicensed software application.

    In particular locations, the Trojans often wrongfully report having actually discovered some unlicensed applications enabled on the victim’s tool. The sharp then requires the user to pay the ransom.

    Faulty statements about prohibited material.

    In nations where software application piracy is less preferred, this approach is not as reliable for the cyber frauds. Additionally, the Win32:TeslaCrypt-FN [Trj] popup alert may falsely claim to be stemming from a law enforcement establishment and also will report having situated youngster porn or other illegal information on the gadget.

    Win32:TeslaCrypt-FN [Trj] popup alert may incorrectly assert to be acquiring from a regulation enforcement organization and also will certainly report having located child pornography or various other unlawful information on the tool. The alert will similarly have a need for the individual to pay the ransom money.

Technical details

File Info:

crc32: 46AF1FF5
md5: c64038664b9590b22b61f0503a55adc9
name: C64038664B9590B22B61F0503A55ADC9.mlw
sha1: d241f53b989165797c31be8df0c2898e55bc450c
sha256: 6d1cd5664926822b9118da21ec435a3cdf9a1456e93f002c0e79c3f75df97092
sha512: 431ca19f9b6cea5be3ccad8c2bdb51bf71454d0d861bba57eab56147f302e6c9e8c32883f98b399f2b70a0a8b53e9ade83db1c79b3f9ae5c4eaba5d8e2a62e62
ssdeep: 3072:7hxyQxy1FzsGRqtOK6BuJj9xh5ZL0rYeH9wL:7h4Qxy1FJRqlm+jDZL08Y
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

LegalCopyright: unimpeded stupidest
InternalName: topping stencilled
FileVersion: 121, 98, 123, 209
CompanyName: Zone Labs Inc.
PrivateBuild: woods
LegalTrademarks: shielding surrender
Comments: rodent alumnus
ProductName: transliteration transparent
SpecialBuild: semitic
ProductVersion: 47, 26, 90, 141
FileDescription: translator acts
OriginalFilename: voiceless.exe

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

GridinSoftTrojan.Ransom.Gen
BkavW32.AIDetect.malware1
K7AntiVirusTrojan ( 004b75071 )
Elasticmalicious (high confidence)
DrWebTrojan.PWS.Tinba.153
CynetMalicious (score: 100)
CAT-QuickHealTrojan.Generic
ALYacGen:Variant.Symmi.55099
CylanceUnsafe
ZillyaDropper.Injector.Win32.66744
SangforTrojan.Win32.Save.a
CrowdStrikewin/malicious_confidence_100% (W)
AlibabaTrojan:Win32/Tinba.311cd72d
K7GWTrojan ( 004b75071 )
Cybereasonmalicious.64b959
CyrenW32/Trojan.TMFK-7804
SymantecTrojan.Tinba!gm
ESET-NOD32Win32/Tinba.BE
APEXMalicious
AvastWin32:TeslaCrypt-FN [Trj]
KasperskyHEUR:Trojan.Win32.Generic
BitDefenderGen:Variant.Symmi.55099
NANO-AntivirusTrojan.Win32.Inject.dqhpmu
MicroWorld-eScanGen:Variant.Symmi.55099
TencentMalware.Win32.Gencirc.10b77f0e
Ad-AwareGen:Variant.Symmi.55099
SophosML/PE-A + Troj/Glupteba-F
ComodoMalware@#1wjt1dj6m7og9
BitDefenderThetaGen:NN.ZexaF.34608.hq0@aGAzZpTG
VIPRETrojan.Win32.Generic!BT
McAfee-GW-EditionBehavesLike.Win32.Generic.ch
FireEyeGeneric.mg.c64038664b9590b2
EmsisoftGen:Variant.Symmi.55099 (B)
SentinelOneStatic AI – Malicious PE
AviraHEUR/AGEN.1118869
MicrosoftTrojan:Win32/Tinba
GDataGen:Variant.Symmi.55099
AhnLab-V3Trojan/Win32.Dynamer.R149084
Acronissuspicious
McAfeeGenericRXEM-HN!C64038664B95
MAXmalware (ai score=100)
VBA32TrojanDropper.Injector
PandaTrj/Genetic.gen
RisingTrojan.Ransom-Tesla!8.2B62 (CLOUD)
YandexTrojan.DR.Injector!SUnaWoRXfQM
IkarusTrojan.Win32.Exploit
MaxSecureTrojan.Malware.300983.susgen
FortinetW32/Deshacop.XO!tr
AVGWin32:TeslaCrypt-FN [Trj]
Paloaltogeneric.ml
Qihoo-360Win32/Ransom.Bitman.HgIASOQA

How to remove Win32:TeslaCrypt-FN [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-FN [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-FN [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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