Ransom:Win32/Tescrypt

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

What is Ransom:Win32/Tescrypt infection?

In this article you will discover about the meaning of Ransom:Win32/Tescrypt and also its unfavorable impact on your computer. Such ransomware are a form of malware that is specified by on-line frauds to demand paying the ransom money by a sufferer.

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In the majority of the situations, Ransom:Win32/Tescrypt infection will instruct its sufferers to start funds move for the objective of counteracting the amendments that the Trojan infection has presented to the sufferer’s tool.

Ransom:Win32/Tescrypt Summary

These modifications 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.
  • Uses Windows utilities for basic functionality;
  • Attempts to remove evidence of file being downloaded from the Internet;
  • Deletes its original binary from disk;
  • 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.
  • Network activity detected but not expressed in API logs. Microsoft built an API solution right into its Windows operating system it reveals network activity for all apps and programs that ran on the computer in the past 30-days. This malware hides network activity.
  • Creates a copy of itself;
  • 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 documents located on the sufferer’s hard drive — so the victim can no more utilize the information;
  • Preventing regular accessibility to the victim’s workstation;
Similar behavior
Related domains
z.whorecord.xyz Ransom.Locky.S5
a.tomx.xyz Ransom.Locky.S5

Ransom:Win32/Tescrypt

One of the most normal networks whereby Ransom:Win32/Tescrypt Trojans are infused are:

  • By means of phishing e-mails;
  • As an effect of user ending up on a source that organizes a destructive software;

As soon as the Trojan is efficiently infused, it will certainly either cipher the information on the target’s PC or protect against the gadget from functioning in a correct fashion – while likewise placing a ransom money note that states the demand for the victims to effect the payment for the function of decrypting the papers or bring back the file system back to the initial condition. In the majority of circumstances, the ransom note will come up when the customer reboots the COMPUTER after the system has actually already been harmed.

Ransom:Win32/Tescrypt circulation networks.

In different corners of the world, Ransom:Win32/Tescrypt grows by leaps and bounds. However, the ransom money notes and also tricks of extorting the ransom money quantity may differ relying on certain local (regional) setups. The ransom money notes and methods of obtaining the ransom amount might differ depending on specific local (local) settings.

Ransomware injection

For example:

    Faulty notifies regarding unlicensed software.

    In specific locations, the Trojans typically wrongfully report having actually spotted some unlicensed applications enabled on the sufferer’s gadget. The sharp after that demands the customer to pay the ransom money.

    Faulty declarations concerning illegal material.

    In countries where software program piracy is much less prominent, this approach is not as efficient for the cyber fraudulences. Additionally, the Ransom:Win32/Tescrypt popup alert may falsely claim to be deriving from a police establishment as well as will certainly report having located child porn or various other unlawful information on the gadget.

    Ransom:Win32/Tescrypt popup alert may falsely claim to be obtaining from a law enforcement establishment as well as will certainly report having situated child pornography or other illegal information on the tool. The alert will in a similar way contain a demand for the customer to pay the ransom money.

Technical details

File Info:

crc32: 1A2FC149
md5: 573bf2a20a164b4df6a20e7a43bafd40
name: 573BF2A20A164B4DF6A20E7A43BAFD40.mlw
sha1: f322d1bc6209f4be208f8e30f3343087e31cafb3
sha256: ca99233f8dc00443efca9337ea2b781d91b946ca87dd3bf24cfa4c7b12521351
sha512: ae638f681a12ba0cba0607429151e83537f5c027de045c54a5220a60b3b9804e51980180c4550b9e8603909da1726e5d823b58f7f3b9efafece10960c596d57c
ssdeep: 6144:hWNoEFfGzyG7zdUM2zZnA4jrCivvTtxJ7iDGnd/sDmwaW:hgoEFfbUUMkFYin39eSfW
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

0: [No Data]

Ransom:Win32/Tescrypt also known as:

GridinSoft Trojan.Ransom.Gen
Bkav W32.FamVT.RazyNHmC.Trojan
Elastic malicious (high confidence)
MicroWorld-eScan Trojan.GenericKD.3090992
FireEye Generic.mg.573bf2a20a164b4d
CAT-QuickHeal Ransom.Locky.S5
ALYac Trojan.Ransom.TeslaCrypt
Cylance Unsafe
VIPRE Trojan.Win32.Generic!BT
Sangfor Trojan.Win32.Save.a
K7AntiVirus Trojan ( 0055e3ef1 )
BitDefender Trojan.GenericKD.3090992
K7GW Trojan ( 0055e3ef1 )
Cybereason malicious.20a164
BitDefenderTheta Gen:NN.ZexaF.34590.uuW@a0Imc1hO
Cyren W32/Rovnix.C.gen!Eldorado
Symantec Packed.Generic.521
Baidu Win32.Trojan.Kryptik.ws
APEX Malicious
Avast Win32:Mutex-E [Trj]
ClamAV Win.Ransomware.Lethic-7554792-0
Kaspersky Trojan-Ransom.Win32.Bitman.qlg
Alibaba Ransom:Win32/Bitman.4ef507fd
NANO-Antivirus Trojan.Win32.Encoder.eawyid
AegisLab Trojan.Win32.Bitman.j!c
Tencent Malware.Win32.Gencirc.10c1ec70
Ad-Aware Trojan.GenericKD.3090992
Sophos Mal/Generic-S
Comodo Malware@#3mccronzdka65
F-Secure Heuristic.HEUR/AGEN.1128848
DrWeb Trojan.Encoder.4121
Zillya Trojan.TeslaCrypt.Win32.76
TrendMicro Ransom_HPCRYPTESLA.SM1
McAfee-GW-Edition Ransomware-FGI!573BF2A20A16
Emsisoft Trojan.GenericKD.3090992 (B)
Ikarus Trojan.Win32.Crypt
Jiangmin Trojan.Bitman.tk
Avira HEUR/AGEN.1128848
Antiy-AVL Trojan[Ransom]/Win32.Bitman
Kingsoft Win32.Troj.Generic_a.a.(kcloud)
Microsoft Ransom:Win32/Tescrypt
Arcabit Trojan.Generic.D2F2A30
SUPERAntiSpyware Trojan.Agent/Gen-Kryptik
ZoneAlarm Trojan-Ransom.Win32.Bitman.qlg
GData Trojan.GenericKD.3090992
Cynet Malicious (score: 100)
AhnLab-V3 Trojan/Win32.Teslacrypt.C1346930
McAfee Ransomware-FGI!573BF2A20A16
MAX malware (ai score=88)
VBA32 BScope.TrojanRansom.Bitman
Malwarebytes Malware.AI.4246928681
Panda Trj/Genetic.gen
ESET-NOD32 Win32/Filecoder.TeslaCrypt.I
TrendMicro-HouseCall Ransom_HPCRYPTESLA.SM1
Rising Ransom.Tescrypt!8.3AF (CLOUD)
Yandex Trojan.GenAsa!HQ0oCd9CiFY
SentinelOne Static AI – Malicious PE
eGambit Unsafe.AI_Score_99%
Fortinet W32/Kryptik.EQFO!tr
Webroot W32.Trojan.Gen
AVG Win32:Mutex-E [Trj]
Paloalto generic.ml
CrowdStrike win/malicious_confidence_100% (D)
Qihoo-360 HEUR/QVM41.2.Malware.Gen

How to remove Ransom:Win32/Tescrypt ransomware?

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 Ransom:Win32/Tescrypt 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 Ransom:Win32/Tescrypt 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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