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

What is Trojan-Downloader.Win32.Stralo.vho infection?

In this post you will locate about the interpretation of Trojan-Downloader.Win32.Stralo.vho as well as its adverse impact on your computer system. Such ransomware are a type of malware that is clarified by online fraudulences to require paying the ransom money by a sufferer.

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In the majority of the situations, Trojan-Downloader.Win32.Stralo.vho virus will advise its victims to initiate funds move for the objective of counteracting the modifications that the Trojan infection has introduced to the target’s gadget.

Trojan-Downloader.Win32.Stralo.vho Summary

These alterations 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.
  • A process attempted to delay the analysis task.;
  • Expresses interest in specific running processes;
  • The binary likely contains encrypted or compressed data. In this case, encryption is a way of hiding virus’ code from antiviruses and virus’ analysts.
  • Checks for the presence of known windows from debuggers and forensic tools;
  • The following process appear to have been packed with Themida: marg.exe;
  • Checks for the presence of known devices from debuggers and forensic tools;
  • Detects the presence of Wine emulator via registry key;
  • Checks the version of Bios, possibly for anti-virtualization;
  • Detects VirtualBox through the presence of a registry key;
  • Attempts to modify proxy settings. This trick used for inject malware into connection between browser and server;
  • Anomalous binary characteristics. This is a way of hiding virus’ code from antiviruses and virus’ analysts.
  • Ciphering the documents located on the sufferer’s hard disk drive — so the target can no longer use the information;
  • Preventing regular accessibility to the victim’s workstation;
Similar behavior
Related domains


The most typical networks through which Trojan-Downloader.Win32.Stralo.vho Ransomware Trojans 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 a repercussion of user ending up on a resource that organizes a malicious software;

As soon as the Trojan is effectively infused, it will certainly either cipher the information on the victim’s computer or protect against the gadget from working in a correct fashion – while also positioning a ransom note that discusses the requirement for the sufferers to effect the settlement for the function of decrypting the documents or recovering the data system back to the preliminary condition. In many instances, the ransom note will certainly show up when the customer restarts the PC after the system has already been harmed.

Trojan-Downloader.Win32.Stralo.vho circulation channels.

In different edges of the globe, Trojan-Downloader.Win32.Stralo.vho grows by leaps as well as bounds. However, the ransom money notes and tricks of obtaining the ransom amount might differ depending upon certain local (regional) settings. The ransom money notes as well as tricks of obtaining the ransom amount may differ depending on certain local (local) setups.

Ransomware injection

For instance:

    Faulty informs concerning unlicensed software program.

    In particular areas, the Trojans frequently wrongfully report having discovered some unlicensed applications made it possible for on the victim’s gadget. The sharp then demands the customer to pay the ransom money.

    Faulty declarations regarding illegal web content.

    In countries where software program piracy is much less preferred, this method is not as reliable for the cyber frauds. Additionally, the Trojan-Downloader.Win32.Stralo.vho popup alert might wrongly claim to be originating from a law enforcement establishment and also will report having located kid porn or other illegal information on the gadget.

    Trojan-Downloader.Win32.Stralo.vho popup alert may falsely assert to be obtaining from a regulation enforcement establishment and also will certainly report having situated child porn or various other prohibited information on the gadget. The alert will similarly have a requirement for the customer to pay the ransom.

Technical details

File Info:

crc32: 4A2E5154
md5: 434e4da381596c1f17d672279b109669
name: marg.exe
sha1: 70460819793a80276e4107cd798aafa9494488a6
sha256: 4532155df3dd445a1cb8e4ba81f35595bff48e1bf3c5452260218610e9c4e044
sha512: 4d690e10c1b626daec95cfe5f204fcfb4c70fc7fc924285a85582cf9afd4bf9ec5b221a4e59ee5c45614d51ef08522f80141d95f438c3d02301428ca7fed9c39
ssdeep: 49152:ItwVhyz5TuvmVe6CAAnQX5bAbZq02lY/kTvPleUiBD0:p/ytVejn25iZ/Ni
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

Translation: 0x0409 0x04b0

Trojan-Downloader.Win32.Stralo.vho also known as:

GridinSoft Trojan.Ransom.Gen
Bkav W32.HfsAutoB.
DrWeb Trojan.Siggen9.16057
McAfee Artemis!434E4DA38159
Cylance Unsafe
K7AntiVirus Trojan ( 0054af121 )
K7GW Trojan ( 0054af121 )
CrowdStrike win/malicious_confidence_100% (W)
TrendMicro Trojan.Win32.WACATAC.THBBIBO
Symantec Trojan.Gen.MBT
APEX Malicious
GData Win32.Trojan.Ilgergop.CT8DDI
Kaspersky HEUR:Trojan-Downloader.Win32.Stralo.vho
Alibaba Packed:Win32/Themida.3b5369c6
AegisLab Trojan.Win32.Stralo.a!c
Avast Win32:Trojan-gen
Tencent Win32.Trojan.Agent.Paly
Endgame malicious (high confidence)
Sophos Mal/Generic-S
F-Secure Heuristic.HEUR/AGEN.1038489
Invincea heuristic
Ikarus Trojan-Downloader.Win32.Autohk
eGambit Unsafe.AI_Score_96%
Avira HEUR/AGEN.1038489
Microsoft Trojan:Win32/Tiggre!rfn
ZoneAlarm HEUR:Trojan-Downloader.Win32.Stralo.vho
Acronis suspicious
Malwarebytes Trojan.Downloader.AHK.Themida
ESET-NOD32 a variant of Win32/Packed.Themida.BFS
TrendMicro-HouseCall Trojan.Win32.WACATAC.THBBIBO
Rising Downloader.Stralo!8.1147C (CLOUD)
SentinelOne DFI – Suspicious PE
MaxSecure Trojan.Malware.300983.susgen
Fortinet W32/Themida.ASK!tr
AVG Win32:Trojan-gen
Cybereason malicious.9793a8
Qihoo-360 Generic/HEUR/QVM19.1.8FBD.Malware.Gen

How to remove Trojan-Downloader.Win32.Stralo.vho 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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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-Downloader.Win32.Stralo.vho 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 Trojan-Downloader.Win32.Stralo.vho you can always ask me in the comments for getting help.

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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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