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

What is Trojan.Ransom.Stop infection?

In this short article you will find concerning the definition of Trojan.Ransom.Stop and also its negative influence on your computer system. Such ransomware are a kind of malware that is clarified by on-line frauds to demand paying the ransom money by a sufferer.

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Most of the cases, Trojan.Ransom.Stop ransomware will certainly advise its sufferers to initiate funds move for the purpose of neutralizing the changes that the Trojan infection has actually presented to the victim’s tool.

Trojan.Ransom.Stop Summary

These modifications 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.
  • 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.
  • Possible date expiration check, exits too soon after checking local time;
  • 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.

  • Unconventionial language used in binary resources: Serbian;
  • A scripting utility was executed;
  • Uses Windows utilities for basic functionality;
  • Attempts to repeatedly call a single API many times in order to delay analysis time. This significantly complicates the work of the virus analyzer. Typical malware tactics!
  • Attempts to execute a powershell command with suspicious parameter/s;
  • 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.
  • Anomalous binary characteristics. This is a way of hiding virus’ code from antiviruses and virus’ analysts.
  • Ciphering the files located on the victim’s disk drive — so the target can no longer utilize the data;
  • Preventing routine access to the sufferer’s workstation;
Similar behavior
Related domains Ransom.Stop.S7866402 Ransom.Stop.S7866402


The most typical networks whereby Trojan.Ransom.Stop Ransomware are infused are:

  • By methods of phishing emails;
  • As a repercussion of user ending up on a resource that hosts a harmful software application;

As quickly as the Trojan is successfully infused, it will either cipher the information on the victim’s computer or avoid the gadget from operating in an appropriate manner – while likewise placing a ransom note that discusses the demand for the victims to effect the settlement for the objective of decrypting the documents or bring back the documents system back to the first problem. In the majority of instances, the ransom note will come up when the client reboots the PC after the system has actually currently been harmed.

Trojan.Ransom.Stop circulation channels.

In different corners of the world, Trojan.Ransom.Stop expands by jumps as well as bounds. Nevertheless, the ransom notes and methods of extorting the ransom quantity might vary depending on particular regional (local) setups. The ransom notes and also techniques of extorting the ransom money amount might differ depending on certain neighborhood (local) settings.

Ransomware injection

For example:

    Faulty alerts regarding unlicensed software application.

    In certain locations, the Trojans usually wrongfully report having identified some unlicensed applications enabled on the target’s gadget. The sharp after that requires the user to pay the ransom.

    Faulty declarations about illegal content.

    In nations where software program piracy is much less preferred, this technique is not as reliable for the cyber frauds. Conversely, the Trojan.Ransom.Stop popup alert might wrongly declare to be originating from a law enforcement institution and will certainly report having located child porn or other unlawful information on the tool.

    Trojan.Ransom.Stop popup alert might wrongly assert to be deriving from a legislation enforcement organization and also will report having located youngster porn or various other illegal data on the gadget. The alert will in a similar way include a need for the individual to pay the ransom money.

Technical details

File Info:

crc32: 1C87F7A2
md5: 5b4bd24d6240f467bfbc74803c9f15b0
name: updatewin1.exe
sha1: c17f98c182d299845c54069872e8137645768a1a
sha256: 14c7bec7369d4175c6d92554b033862b3847ff98a04dfebdf9f5bb30180ed13e
sha512: a896acc38a6ff9641b0803f0598369c0d4fa8e38da28c1653c57948fe5e3274880d1b2e7959cd1b1da43375a1318b3ba72e13240bf40b27c852ee72bbb16cadc
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

LegalCopyright: Copyright (C) 2018, sacuwedimufoy
InternalName: rawudiyeh.exe
Translation: 0x0669 0x04b0

Trojan.Ransom.Stop also known as:

GridinSoft Trojan.Ransom.Gen
Bkav W32.TiggreRP.Trojan
MicroWorld-eScan Trojan.GenericKD.31534187
CAT-QuickHeal Ransom.Stop.S7866402
McAfee Generic.bto
Cylance Unsafe
VIPRE Trojan.Win32.Generic!BT
Sangfor Malware
CrowdStrike win/malicious_confidence_100% (W)
BitDefender Trojan.GenericKD.31534187
K7GW Trojan ( 00545a541 )
K7AntiVirus Trojan ( 00545a541 )
TrendMicro Trojan.Win32.MALREP.THOABAAI
BitDefenderTheta Gen:NN.ZexaF.34084.ru0@a8IEJKdG
F-Prot W32/Kryptik.PT.gen!Eldorado
Symantec Trojan.Gen.2
ESET-NOD32 Win32/Agent.AAFU
TrendMicro-HouseCall Trojan.Win32.MALREP.THOABAAI
GData Win32.Packed.Kryptik.3IRJVU
Kaspersky HEUR:Trojan.Win32.Generic
Alibaba Trojan:Win32/Fareit.12616b27
NANO-Antivirus Trojan.Win32.Stealer.fmbxlx
ViRobot Trojan.Win32.S.GandCrab.279040
AegisLab Trojan.Win32.Generic.4!c
Rising Trojan.Kryptik!1.B582 (KTSE)
Ad-Aware Trojan.GenericKD.31534187
Emsisoft Trojan.GenericKD.31534187 (B)
Comodo Malware@#syoy7tb6o5oy
F-Secure Trojan.TR/Crypt.Agent.iyodi
DrWeb Trojan.PWS.Stealer.24943
Zillya Trojan.Vilsel.Win32.37830
Invincea heuristic
McAfee-GW-Edition BehavesLike.Win32.Generic.dc
Sophos Mal/GandCrab-G
APEX Malicious
Cyren W32/Kryptik.PT.gen!Eldorado
Jiangmin Trojan.Generic.dcbhq
MaxSecure Ransomeware.GandCrypt.JZ
Avira TR/Crypt.Agent.iyodi
Antiy-AVL Trojan[Ransom]/Win32.Chapak.a
Endgame malicious (high confidence)
Arcabit Trojan.Generic.D1E12C6B
SUPERAntiSpyware Trojan.Agent/Gen-Downloader
AhnLab-V3 Win-Trojan/Gandcrab10.Exp
ZoneAlarm HEUR:Trojan.Win32.Generic
Microsoft PWS:Win32/Fareit.VV!MTB
TACHYON Ransom/W32.GandCrab.279040
VBA32 BScope.Trojan.Chapak
ALYac Trojan.Ransom.Stop
MAX malware (ai score=100)
Malwarebytes Trojan.MalPack.GS
Panda Trj/WLT.E
Zoner Trojan.Win32.80450
Tencent Win32.Trojan.Generic.Swlf
Yandex Trojan.Vilsel!Pew/bXY9iz4
Ikarus Trojan-Ransom.Downloader.Stop
eGambit Unsafe.AI_Score_90%
Fortinet W32/Generic.AAFU!tr
Webroot W32.Trojan.Gen
AVG Other:Malware-gen [Trj]
Cybereason malicious.d6240f
Avast Other:Malware-gen [Trj]
Qihoo-360 Win32/Trojan.33f

How to remove Trojan.Ransom.Stop 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

The is an excellent way to deal with recognizing and removing threats – using Gridinsoft Anti-Malware. This program will scan your PC, find and neutralize all suspicious processes.2.

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 Trojan.Ransom.Stop 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:

Full version of GridinSoft

Full version of GridinSoft Anti-Malware

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

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  1. GridinSoft Anti-Malware Review from HowToFix site:
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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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