Ransom:Win32/Tescrypt.C

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

What is Ransom:Win32/Tescrypt.C infection?

In this article you will certainly locate about the meaning of Ransom:Win32/Tescrypt.C and also its negative effect on your computer system. Such ransomware are a type of malware that is clarified by on the internet frauds to demand paying the ransom by a victim.

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Most of the cases, Ransom:Win32/Tescrypt.C infection will instruct its victims to launch funds transfer for the purpose of neutralizing the modifications that the Trojan infection has presented to the target’s device.

Ransom:Win32/Tescrypt.C 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.
  • 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;
  • 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: Korean;
  • Uses Windows utilities for basic functionality;
  • Attempts to remove evidence of file being downloaded from the Internet;
  • Executed a process and injected code into it, probably while unpacking;
  • Attempts to identify installed AV products by registry key;
  • 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 papers found on the sufferer’s disk drive — so the victim can no longer utilize the data;
  • Preventing normal accessibility to the victim’s workstation;

Ransom:Win32/Tescrypt.C

The most normal networks through which Ransom:Win32/Tescrypt.C Ransomware are infused are:

  • By ways of phishing e-mails;
  • As a repercussion of user ending up on a resource that holds a malicious software application;

As quickly as the Trojan is successfully infused, it will certainly either cipher the data on the target’s PC or prevent the gadget from functioning in a proper manner – while also putting a ransom money note that discusses the demand for the victims to effect the settlement for the objective of decrypting the records or recovering the documents system back to the preliminary problem. In many instances, the ransom note will certainly show up when the client reboots the COMPUTER after the system has currently been harmed.

Ransom:Win32/Tescrypt.C circulation networks.

In numerous corners of the globe, Ransom:Win32/Tescrypt.C grows by leaps as well as bounds. Nonetheless, the ransom notes and methods of extorting the ransom money amount might differ depending on specific regional (local) settings. The ransom money notes and techniques of extorting the ransom amount might vary depending on certain regional (regional) settings.

Ransomware injection

For instance:

    Faulty notifies regarding unlicensed software program.

    In certain areas, the Trojans typically wrongfully report having actually detected some unlicensed applications made it possible for on the sufferer’s tool. The alert after that demands the user to pay the ransom.

    Faulty declarations about unlawful content.

    In countries where software application piracy is much less popular, this method is not as efficient for the cyber frauds. Additionally, the Ransom:Win32/Tescrypt.C popup alert might wrongly assert to be deriving from a police organization as well as will report having located youngster pornography or other illegal information on the gadget.

    Ransom:Win32/Tescrypt.C popup alert may falsely declare to be deriving from a law enforcement establishment and also will report having located youngster porn or other prohibited information on the device. The alert will likewise contain a demand for the individual to pay the ransom money.

Technical details

File Info:

crc32: FA8A1C01
md5: b83eb8111bb3f319f0527eb7427b69e6
name: B83EB8111BB3F319F0527EB7427B69E6.mlw
sha1: 8781855f37d1e98e7718ae997717a31ba77c1401
sha256: 276a335d845cc1f92b9b27a6648c357a87c21105b765dd918fc7ffa592da2147
sha512: 8850b2e1245d476859f55a8d82693400b4f180342b7d77cea9667d7ae2206ffd22e3793f4db03bb2145a7e5acd9be642124af8bc7ea7427f46d3ebdf0ab8603c
ssdeep: 6144:2aFnxU3S3piasMdb3lyl8vgJjsIsPvR3vvqMYscjPqdZNmjxrPs0h:vnsS30MB15SjHs1ksjwjds0
type: PE32 executable (console) Intel 80386, for MS Windows

Version Info:

LegalCopyright: Disassociate (C) 2014
InternalName: Debark
FileVersion: 134, 185, 17, 88
CompanyName: funkytoad.com
ProductName: Chilliest Desaturated
FileDescription: Dashed
OriginalFilename: Documentary.exe

Ransom:Win32/Tescrypt.C also known as:

GridinSoftTrojan.Ransom.Gen
Elasticmalicious (high confidence)
MicroWorld-eScanTrojan.Cripack.Gen.1
FireEyeGeneric.mg.b83eb8111bb3f319
Qihoo-360HEUR/QVM20.1.8199.Malware.Gen
McAfeeArtemis!B83EB8111BB3
CylanceUnsafe
VIPRETrojan.Win32.Generic!BT
SangforTrojan.Win32.Save.a
K7AntiVirusTrojan ( 0056d6201 )
BitDefenderTrojan.Cripack.Gen.1
K7GWTrojan ( 0056d6201 )
Cybereasonmalicious.11bb3f
BaiduWin32.Trojan.Kryptik.qb
SymantecRansom.TeslaCrypt!g1
APEXMalicious
AvastWin32:Malware-gen
KasperskyHEUR:Trojan.Win32.Generic
AlibabaTrojan:Win32/Kryptik.d6274e07
NANO-AntivirusTrojan.Win32.Yakes.dyfids
AegisLabTrojan.Win32.Malicious.4!c
RisingRansom.Tescrypt!8.3AF (CLOUD)
Ad-AwareTrojan.Cripack.Gen.1
SophosMal/Generic-R + Troj/Ransom-BRV
ComodoMalware@#1ugdtv7t6dmvi
DrWebTrojan.Encoder.2626
McAfee-GW-EditionArtemis!Trojan
EmsisoftTrojan.Cripack.Gen.1 (B)
IkarusTrojan.Win32.Crypt
AviraHEUR/AGEN.1108091
MAXmalware (ai score=87)
MicrosoftRansom:Win32/Tescrypt.C
ArcabitTrojan.Cripack.Gen.1
AhnLab-V3Malware/Win32.Generic.C1198235
ZoneAlarmHEUR:Trojan.Win32.Generic
GDataTrojan.Cripack.Gen.1
CynetMalicious (score: 100)
ESET-NOD32a variant of Win32/Kryptik.EAYY
VBA32BScope.TrojanPSW.Vipgsm
PandaTrj/Genetic.gen
TencentWin32.Trojan.Inject.Auto
YandexTrojan.GenAsa!m3168HQ3mG0
SentinelOneStatic AI – Malicious PE
eGambitUnsafe.AI_Score_98%
FortinetW32/Kryptik.EOSX!tr
AVGWin32:Malware-gen

How to remove Ransom:Win32/Tescrypt.C 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 Ransom:Win32/Tescrypt.C 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.C 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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