Win32: Teslacrypt-F [Trj]

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

In this article you will find regarding the interpretation of Win32:TeslaCrypt-F [Trj] and its adverse impact on your computer system. Such ransomware are a type of malware that is clarified by online scams to require paying the ransom by a target.

Most of the cases, Win32:TeslaCrypt-F [Trj] infection will certainly advise its targets to start funds move for the function of reducing the effects of the changes that the Trojan infection has introduced to the victim’s device.

Win32:TeslaCrypt-F [Trj] Summary

These adjustments 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.
  • 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;
  • 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: Spanish (Modern);
  • Uses Windows utilities for basic functionality;
  • 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;
  • Creates a copy of itself;
  • Creates a known TeslaCrypt/AlphaCrypt ransomware decryption instruction / key file.;
  • 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 records situated on the target’s hard disk drive — so the victim can no longer make use of the data;
  • Preventing regular accessibility to the victim’s workstation;

Win32:TeslaCrypt-F [Trj]

One of the most regular networks through which Win32:TeslaCrypt-F [Trj] Ransomware are infused are:

  • By methods of phishing emails;
  • As a consequence of individual ending up on a source that hosts a destructive software program;

As soon as the Trojan is efficiently infused, it will certainly either cipher the information on the victim’s computer or protect against the tool from working in an appropriate fashion – while likewise putting a ransom note that points out the requirement for the sufferers to effect the settlement for the objective of decrypting the files or recovering the file system back to the first problem. In most circumstances, the ransom money note will certainly come up when the client reboots the PC after the system has currently been damaged.

Win32:TeslaCrypt-F [Trj] circulation networks.

In numerous corners of the globe, Win32:TeslaCrypt-F [Trj] expands by leaps and also bounds. However, the ransom money notes and also tricks of obtaining the ransom money quantity may differ depending on particular local (local) setups. The ransom notes and methods of extorting the ransom money quantity might vary depending on particular neighborhood (regional) settings.

For example:

    Faulty signals concerning unlicensed software program.

    In particular locations, the Trojans typically wrongfully report having spotted some unlicensed applications made it possible for on the victim’s device. The sharp after that requires the individual to pay the ransom.

    Faulty declarations about unlawful content.

    In nations where software piracy is less popular, this technique is not as reliable for the cyber frauds. Additionally, the Win32:TeslaCrypt-F [Trj] popup alert may incorrectly assert to be deriving from a police establishment and will certainly report having situated child porn or other unlawful data on the tool.

    Win32:TeslaCrypt-F [Trj] popup alert may incorrectly claim to be obtaining from a legislation enforcement institution as well as will report having located kid porn or other unlawful data on the gadget. The alert will similarly consist of a need for the individual to pay the ransom.

Technical details

File Info:

crc32: F2D63FB1md5: 12b4f061485a484b5ce687ebef58fd7ename: 12B4F061485A484B5CE687EBEF58FD7E.mlwsha1: e8763d1691b314a737d54265d5d6beae0b0fa9b3sha256: aa5efa35e8afe1019c63dd4c174629a3c2fe9b38137a3245238436b159d30b95sha512: ab1311f951f41ba5a33252d4bca79d9927219bef07f5cae1076457af74e6231dbc7e24f1c63380fc189a92c6c07fd21b96b42cc636207f028375c78302fbefe3ssdeep: 6144:CvEWmqsGPqOba+/lXfPgYQrKeJIVzhAapzPWT8TnF/XF:o69GPfaGPgYpqIVFVZjFFtype: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

0: [No Data]

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

GridinSoftTrojan.Ransom.Gen
BkavW32.FamVT.RazyNHmC.Trojan
K7AntiVirusRiskware ( 0040eff71 )
Elasticmalicious (high confidence)
DrWebTrojan.Encoder.3401
CynetMalicious ()
CAT-QuickHealRansom.Crowti.WR7
ALYacTrojan.CryptoLocker.BC
CylanceUnsafe
ZillyaAdware.BrowseFox.Win32.255450
SangforTrojan.Win32.Save.a
CrowdStrikewin/malicious_confidence_100% (W)
AlibabaRansom:Win32/Tescrypt.b90ecc5b
K7GWRiskware ( 0040eff71 )
Cybereasonmalicious.1485a4
BaiduWin32.Trojan.Kryptik.va
CyrenW32/Ceeinject.VXTE-9013
ESET-NOD32Win32/Filecoder.TeslaCrypt.I
ZonerTrojan.JS.37630
APEXMalicious
AvastWin32:TeslaCrypt-F [Trj]
KasperskyHEUR:Trojan.Win32.Generic
BitDefenderTrojan.CryptoLocker.BC
NANO-AntivirusTrojan.Win32.Encoder.dzniti
ViRobotTrojan.Win32.Kryptik.Gen.A
SUPERAntiSpyware
MicroWorld-eScanTrojan.CryptoLocker.BC
TencentMalware.Win32.Gencirc.10c4e0ce
Ad-AwareTrojan.CryptoLocker.BC
SophosML/PE-A + Mal/Wonton-BZ
ComodoTrojWare.Win32.Midie.KNJ@6ayrnl
BitDefenderThetaGen:NN.ZexaF.34628.uqW@aO5e!unV
VIPRETrojan.Win32.Generic!BT
TrendMicroRansom_CRYPTESLA.SMA4
McAfee-GW-EditionRansom-Tescrypt!12B4F061485A
FireEyeGeneric.mg.12b4f061485a484b
EmsisoftTrojan.CryptoLocker.BC (B)
SentinelOneStatic AI – Malicious PE
JiangminTrojan.Yakes.euj
WebrootW32.Trojan.Gen
AviraTR/Crypt.XPACK.270852
eGambitGeneric.Malware
MicrosoftRansom:Win32/Tescrypt.C
ArcabitTrojan.CryptoLocker.BC
AegisLabTrojan.Win32.Bitman.j!c
GDataTrojan.CryptoLocker.BC
TACHYONTrojan/W32.Agent.337920.HL
AhnLab-V3Trojan/Win32.Teslacrypt.R170683
Acronissuspicious
McAfeeRansom-Tescrypt!12B4F061485A
MAXmalware (ai score=100)
VBA32BScope.Trojan.Downloader
MalwarebytesTrojan.MalPack
PandaTrj/CI.A
TrendMicro-HouseCallRansom_CRYPTESLA.SMA4
RisingTrojan.Win32.Kryptik.bb (CLOUD)
IkarusTrojan.Win32.Crypt
FortinetW32/Kryptik.EKDN!tr
AVGWin32:TeslaCrypt-F [Trj]
Qihoo-360Win32/Ransom.Tescrypt.HgIASOUA
Sophia Al-Mansoor

Sophia Al-Mansoor

Global Business & E-Commerce Reporter

Sophia analyzes international trade, startup ecosystems, retail transformation, and supply chain logistics for modern digital publications.

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