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

What is Trojan.Cosmu infection?

In this article you will certainly find concerning the meaning of Trojan.Cosmu as well as its negative impact on your computer system. Such ransomware are a form of malware that is specified by on-line scams to demand paying the ransom by a target.

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Most of the cases, Trojan.Cosmu virus will advise its victims to launch funds transfer for the objective of reducing the effects of the changes that the Trojan infection has presented to the sufferer’s gadget.

Trojan.Cosmu Summary

These adjustments can be as adheres to:

  • Network activity detected but not expressed in API logs;
  • Ciphering the files located on the sufferer’s disk drive — so the victim can no longer utilize the data;
  • Preventing regular accessibility to the sufferer’s workstation;

Related domains:



The most regular networks where Trojan.Cosmu Ransomware Trojans are infused are:

  • By ways of phishing e-mails;
  • As a consequence of customer ending up on a source that holds a harmful software application;

As quickly as the Trojan is efficiently infused, it will either cipher the data on the target’s computer or prevent the tool from operating in a proper fashion – while likewise positioning a ransom note that mentions the need for the victims to effect the settlement for the purpose of decrypting the files or bring back the data system back to the initial condition. In many circumstances, the ransom note will certainly show up when the customer reboots the COMPUTER after the system has actually already been damaged.

Trojan.Cosmu distribution networks.

In different corners of the globe, Trojan.Cosmu expands by leaps and bounds. Nonetheless, the ransom notes as well as techniques of obtaining the ransom quantity may vary depending upon particular regional (regional) setups. The ransom notes and also techniques of extorting the ransom money quantity might differ depending on certain regional (regional) setups.

Ransomware injection

For example:

    Faulty signals regarding unlicensed software application.

    In particular locations, the Trojans often wrongfully report having detected some unlicensed applications enabled on the victim’s device. The sharp after that requires the individual to pay the ransom money.

    Faulty statements about illegal content.

    In countries where software piracy is much less prominent, this approach is not as efficient for the cyber fraudulences. Conversely, the Trojan.Cosmu popup alert might falsely claim to be originating from a police establishment and also will certainly report having situated kid porn or other prohibited information on the device.

    Trojan.Cosmu popup alert might incorrectly claim to be acquiring from a regulation enforcement institution and also will report having located youngster pornography or various other prohibited data on the gadget. The alert will similarly consist of a need for the customer to pay the ransom money.

Technical details

File Info:

crc32: F84B7293
md5: d92f1ddc77541191d3eecbba00a7abb6
name: D92F1DDC77541191D3EECBBA00A7ABB6.mlw
sha1: 3aad18dab97740d455d7dadb04d264491d4cc0fa
sha256: c5d857f2ec45f638d99e98c529394c1aa9fb13ac3f40075bb9beba88f3597a1d
sha512: 4ca5a566b6ee53541f5a227c77ba19330cdd37aadc9cd6c219dfb2717f3fc65c7cbfe20fa50eaa50a2e205ffd421ed97b50b912692bb89a37afdbdd4a23a7c28
ssdeep: 1536:6T9/7z8x7EL9IMBjw+VmtEzzZ8VujoN2IrpFAUKB0SfGvWGEAx/I:6Z3qaWkw+uEzwNFTZJ/I
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

0: [No Data]

Trojan.Cosmu also known as:

K7AntiVirusTrojan ( 0050f06c1 )
Elasticmalicious (high confidence)
CynetMalicious (score: 100)
CrowdStrikewin/malicious_confidence_100% (D)
K7GWTrojan ( 0050f06c1 )
ESET-NOD32a variant of Win32/Filecoder.RotoCrypt.C
AvastWin32:KadrBot [Trj]
VIPRETrojan-Downloader.Tibs.gen (v)
EmsisoftGen:Trojan.NetworkWorm.emW@aaTbZVp (B)
SentinelOneStatic AI – Malicious PE
MAXmalware (ai score=87)
RisingTrojan.Generic@ML.100 (RDML:eeec1HowHnaWhnN7TQ86Lw)
AVGWin32:KadrBot [Trj]

How to remove Trojan.Cosmu 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.Cosmu 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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Full version of GridinSoft Anti-Malware

If the guide doesn’t help you to remove Trojan.Cosmu 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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