Trojan.TeslaCrypt.EF

What is Trojan.TeslaCrypt.EF infection?

In this post you will locate about the meaning of Trojan.TeslaCrypt.EF as well as its adverse influence on your computer system. Such ransomware are a kind of malware that is specified by on-line fraudulences to require paying the ransom money by a target.

Most of the cases, Trojan.TeslaCrypt.EF virus will advise its sufferers to launch funds transfer for the function of neutralizing the modifications that the Trojan infection has introduced to the target’s device.

Trojan.TeslaCrypt.EF Summary

These alterations can be as complies with:

  • 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.
  • 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;
  • HTTP traffic contains suspicious features which may be indicative of malware related traffic;
  • Performs some HTTP requests;
  • Unconventionial language used in binary resources: Maltese;
  • Uses Windows utilities for basic functionality;
  • Attempts to remove evidence of file being downloaded from the Internet;
  • Attempts to delete volume shadow copies;
  • Executed a process and injected code into it, probably while unpacking;
  • Behavior consistent with a dropper attempting to download the next stage.;
  • 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;
  • 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.
  • Attempts to identify installed AV products by registry key;
  • 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 papers found on the sufferer’s hard disk drive — so the target can no longer use the data;
  • Preventing regular accessibility to the sufferer’s workstation;
Similar behavior
Related domains
diwali2k15.in Ransom.Teslacrypt.OL4
samuday.org Ransom.Teslacrypt.OL4
maxmpl.com Ransom.Teslacrypt.OL4
setprosports.info Ransom.Teslacrypt.OL4
masterlegue.com Ransom.Teslacrypt.OL4
toolaria.com Ransom.Teslacrypt.OL4
www.afternic.com Ransom.Teslacrypt.OL4

Trojan.TeslaCrypt.EF

The most regular channels whereby Trojan.TeslaCrypt.EF Ransomware 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 customer ending up on a resource that hosts a harmful software application;

As soon as the Trojan is successfully infused, it will either cipher the data on the sufferer’s PC or protect against the gadget from functioning in a proper way – while also positioning a ransom note that states the requirement for the sufferers to effect the repayment for the function of decrypting the documents or recovering the documents system back to the initial problem. In many instances, the ransom money note will certainly show up when the client restarts the COMPUTER after the system has already been harmed.

Trojan.TeslaCrypt.EF distribution channels.

In numerous corners of the globe, Trojan.TeslaCrypt.EF grows by jumps and also bounds. Nonetheless, the ransom notes as well as tricks of extorting the ransom quantity may vary depending on particular regional (local) setups. The ransom notes and also tricks of extorting the ransom money amount might vary depending on particular neighborhood (regional) settings.

Ransomware injection

For instance:

    Faulty signals concerning unlicensed software program.

    In specific locations, the Trojans often wrongfully report having spotted some unlicensed applications allowed on the target’s gadget. The sharp after that demands the user to pay the ransom money.

    Faulty statements regarding prohibited content.

    In countries where software application piracy is much less preferred, this approach is not as efficient for the cyber fraudulences. Conversely, the Trojan.TeslaCrypt.EF popup alert may falsely declare to be deriving from a police establishment and will certainly report having located child porn or other unlawful data on the gadget.

    Trojan.TeslaCrypt.EF popup alert might incorrectly claim to be acquiring from a law enforcement organization as well as will report having located child porn or other illegal data on the tool. The alert will similarly have a demand for the customer to pay the ransom.

Technical details

File Info:

crc32: 38F894BEmd5: f4a4f123cf09c99c8bd980dac1cabc09name: F4A4F123CF09C99C8BD980DAC1CABC09.mlwsha1: dcfaf261aefd6b9dd176143963512a0a87118cccsha256: 188ae422779bb5a0c5692848c8b35bd1ea4b7fff3e38bfa86f11b28f99469159sha512: 2afbec5ce7da2b8f23f683af57f167f733a9258e16dbb42ca5d6a529a8377a469651f98415aca0f29abf792e8dbfbd407cf09ddb9fb6a3e44c56488713e196aessdeep: 6144:HMptDPB7UJVT+NWLDSbU1XzmZ2+GvZXKxAgij8I+KhGuDtmqbc5fz:HCtDpowozB+wZ6+QKgXqGztype: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

LegalCopyright: Copyright (C) 2010InternalName: UnsolderFileVersion: 0.8.52.101CompanyName: Raxco Software, Inc.LegalTrademarks: BreadProductName: Couriers AestheticsyProductVersion: 0.81.197.204FileDescription: Concluded Commanding ApartmentsOriginalFilename: Upstairsl.EXE

Trojan.TeslaCrypt.EF also known as:

GridinSoft Trojan.Ransom.Gen
Elastic malicious (high confidence)
MicroWorld-eScan Trojan.TeslaCrypt.EF
FireEye Generic.mg.f4a4f123cf09c99c
CAT-QuickHeal Ransom.Teslacrypt.OL4
McAfee Ransomware-FHE!F4A4F123CF09
Cylance Unsafe
VIPRE Trojan.Win32.Generic!BT
Sangfor Trojan.Win32.Save.a
K7AntiVirus Trojan ( 004e12bb1 )
BitDefender Trojan.TeslaCrypt.EF
K7GW Trojan ( 004e12bb1 )
Cybereason malicious.3cf09c
BitDefenderTheta Gen:NN.ZexaF.34590.xq2@a44Xg2oO
Symantec Trojan.Gen
TrendMicro-HouseCall Ransom_HPCRYPTESLA.SM2
Avast Win32:Papras-AT [Trj]
Kaspersky Packed.Win32.Tpyn
Alibaba Trojan:Win32/Kryptik.5429e498
NANO-Antivirus Trojan.Win32.AVKill.ebcwrs
ViRobot Trojan.Win32.TeslaCrypt.Gen.D
Ad-Aware Trojan.TeslaCrypt.EF
TACHYON Trojan/W32.Ransom.389120.B
Emsisoft Trojan.TeslaCrypt.EF (B)
F-Secure Trojan.TR/Crypt.XPACK.Gen7
DrWeb Trojan.AVKill.60714
Zillya Trojan.CryptGen.Win32.1
TrendMicro Ransom_HPCRYPTESLA.SM2
McAfee-GW-Edition Ransomware-FHE!F4A4F123CF09
Sophos ML/PE-A + Mal/Ransom-EM
SentinelOne Static AI – Malicious PE
Jiangmin Packed.Tpyn.afc
eGambit Unsafe.AI_Score_100%
Avira TR/Crypt.XPACK.Gen7
Antiy-AVL Trojan/Win32.TSGeneric
Microsoft Ransom:Win32/Tescrypt!rfn
Arcabit Trojan.TeslaCrypt.EF
SUPERAntiSpyware Trojan.Agent/Gen-Dropper
ZoneAlarm Packed.Win32.Tpyn
GData Trojan.TeslaCrypt.EF
Cynet Malicious (score: 100)
AhnLab-V3 Win-Trojan/Lockycrypt.Gen
VBA32 BScope.Trojan.AVKill
ALYac Trojan.TeslaCrypt.EF
MAX malware (ai score=100)
Malwarebytes Generic.Malware/Suspicious
Panda Trj/CI.A
APEX Malicious
ESET-NOD32 a variant of Win32/Kryptik.HDJG
Rising Ransom.Tescrypt!8.3AF (CLOUD)
Yandex Trojan.Bitman!NxneeS5Ar4w
Ikarus Trojan-Ransom.TeslaCrypt4
Fortinet W32/Kryptik.ESFA!tr
AVG Win32:Papras-AT [Trj]
Paloalto generic.ml
CrowdStrike win/malicious_confidence_100% (D)
Qihoo-360 Win32/Ransom.Bitman.HwcBZd8A

How to remove Trojan.TeslaCrypt.EF 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

Run the setup file.

Run Setup.exe
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 Scanning

Click on “Clean Now”.

GridinSoft Anti-Malware Scan Result

Are Your Protected?

Full version of GridinSoft

If the guide doesn’t help you to remove Trojan.TeslaCrypt.EF you can always ask me in the comments for getting help.

References

    About the author

    Robert Bailey

    Security engineer focused on malware behavior, removal workflows, and Windows hardening. Robert reviews threat articles for practical accuracy, checking detection names, symptoms, and cleanup steps before publication.

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