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

What is Trojan.Win32.Cobalt.vho infection?

In this article you will locate regarding the definition of Trojan.Win32.Cobalt.vho and its unfavorable influence on your computer. Such ransomware are a form of malware that is clarified by on the internet scams to require paying the ransom money by a victim.

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In the majority of the situations, Trojan.Win32.Cobalt.vho infection will advise its victims to start funds transfer for the purpose of neutralizing the modifications that the Trojan infection has actually presented to the victim’s tool.

Trojan.Win32.Cobalt.vho Summary

These adjustments can be as adheres to:

  • Ciphering the documents located on the sufferer’s hard disk — so the victim can no more utilize the information;
  • Preventing routine access to the sufferer’s workstation;


One of the most common channels whereby Trojan.Win32.Cobalt.vho Trojans are infused are:

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

As quickly as the Trojan is successfully injected, it will either cipher the data on the victim’s PC or stop the gadget from functioning in a proper fashion – while additionally putting a ransom note that points out the need for the sufferers to effect the payment for the objective of decrypting the papers or recovering the documents system back to the preliminary condition. In most instances, the ransom money note will come up when the client restarts the PC after the system has currently been harmed.

Trojan.Win32.Cobalt.vho distribution networks.

In different corners of the world, Trojan.Win32.Cobalt.vho grows by jumps and bounds. Nevertheless, the ransom notes and also tricks of obtaining the ransom money quantity might vary depending upon certain neighborhood (local) setups. The ransom notes and techniques of obtaining the ransom quantity might vary depending on particular regional (regional) settings.

Ransomware injection

As an example:

    Faulty informs about unlicensed software.

    In particular areas, the Trojans often wrongfully report having actually found some unlicensed applications enabled on the sufferer’s tool. The alert then requires the customer to pay the ransom.

    Faulty declarations concerning prohibited web content.

    In countries where software piracy is less popular, this technique is not as reliable for the cyber frauds. Alternatively, the Trojan.Win32.Cobalt.vho popup alert might falsely claim to be stemming from a law enforcement institution and will certainly report having situated kid pornography or various other illegal data on the gadget.

    Trojan.Win32.Cobalt.vho popup alert might wrongly assert to be deriving from a legislation enforcement institution and will certainly report having situated youngster pornography or various other unlawful information on the device. The alert will in a similar way include a need for the customer to pay the ransom.

Technical details

File Info:

crc32: 903261D2
md5: cf1705450a2df123e16ca9c99595ed27
name: CF1705450A2DF123E16CA9C99595ED27.mlw
sha1: 6fee8ae6774d7ce85bd06bdb3c15a5c7b203e851
sha256: 59d21d071627a4486bfa566ee97e0418839ad829719f55ef20e23e2428c38983
sha512: 2e315ebf04ae4647202da6e22a3d8f0039dd0357ecb1457e63e818c8da4d9b456283eb2d86016befb29077e164bd6bf3c5d771c791d6ec6870511782a93dc177
ssdeep: 12288:ihO5UKBOHSTMVjwV65a3OfEi3SDOVZnL9c7tH0ahIcTp14PUtKIVNw9+wna1:yO5UVHSTIq65Nfn3SOzz9BI3wQwa1
type: PE32+ executable (GUI) x86-64 (stripped to external PDB), for MS Windows

Version Info:

0: [No Data]

Trojan.Win32.Cobalt.vho also known as:

GridinSoft Trojan.Ransom.Gen
Elastic malicious (high confidence)
Cylance Unsafe
ESET-NOD32 a variant of WinGo/Rozena.BP
APEX Malicious
Cynet Malicious (score: 100)
Kaspersky HEUR:Trojan.Win32.Cobalt.vho
Sophos Generic ML PUA (PUA)
SentinelOne Static AI – Malicious PE
Jiangmin Trojan.Cometer.brw
eGambit Unsafe.AI_Score_70%
AhnLab-V3 Malware/Win.Reputation.C4390053
Ikarus Trojan.WinGo.Rozena
MaxSecure Trojan.Malware.300983.susgen

How to remove Trojan.Win32.Cobalt.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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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 Trojan.Win32.Cobalt.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.Win32.Cobalt.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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