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

What is Trojan:Win32/Occamy.CB4 infection?

In this article you will certainly locate concerning the meaning of Trojan:Win32/Occamy.CB4 and its adverse effect on your computer. Such ransomware are a kind of malware that is clarified by online fraudulences to demand paying the ransom by a target.

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Most of the cases, Trojan:Win32/Occamy.CB4 virus will certainly advise its targets to start funds move for the purpose of neutralizing the amendments that the Trojan infection has introduced to the target’s tool.

Trojan:Win32/Occamy.CB4 Summary

These alterations can be as adheres to:

  • Unconventionial language used in binary resources: Chinese (Traditional);
  • The binary likely contains encrypted or compressed data. In this case, encryption is a way of hiding virus’ code from antiviruses and virus’ analysts.
  • Ciphering the files located on the target’s disk drive — so the victim can no longer use the information;
  • Preventing routine access to the sufferer’s workstation;
Similar behavior
Related domains


One of the most common networks whereby Trojan:Win32/Occamy.CB4 Ransomware Trojans are injected are:

  • By means of phishing emails;
  • As a repercussion of individual ending up on a source that hosts a malicious software application;

As quickly as the Trojan is effectively injected, it will either cipher the data on the victim’s PC or avoid the gadget from working in an appropriate way – while additionally putting a ransom note that states the need for the sufferers to effect the payment for the objective of decrypting the records or bring back the data system back to the preliminary condition. In the majority of instances, the ransom note will show up when the client restarts the COMPUTER after the system has actually currently been harmed.

Trojan:Win32/Occamy.CB4 distribution networks.

In numerous edges of the globe, Trojan:Win32/Occamy.CB4 expands by leaps and also bounds. However, the ransom money notes and also techniques of obtaining the ransom quantity might differ relying on certain neighborhood (local) setups. The ransom money notes and also techniques of extorting the ransom money amount may differ depending on specific regional (local) settings.

Ransomware injection

For example:

    Faulty notifies regarding unlicensed software program.

    In particular locations, the Trojans usually wrongfully report having actually discovered some unlicensed applications allowed on the victim’s device. The sharp then requires the individual to pay the ransom money.

    Faulty declarations regarding illegal web content.

    In countries where software application piracy is less preferred, this technique is not as effective for the cyber frauds. Alternatively, the Trojan:Win32/Occamy.CB4 popup alert might wrongly declare to be originating from a police institution and also will certainly report having situated child pornography or other illegal data on the device.

    Trojan:Win32/Occamy.CB4 popup alert may wrongly declare to be deriving from a legislation enforcement establishment and also will report having situated youngster porn or other unlawful information on the gadget. The alert will in a similar way include a requirement for the individual to pay the ransom money.

Technical details

File Info:

crc32: 4DA7E861
md5: a6f38c23bfbaed112eb1124dc06b3996
name: A6F38C23BFBAED112EB1124DC06B3996.mlw
sha1: f21254eac78399ddc4ca8f40a15441fdce8f4b20
sha256: b46c6addef8894d5079f592152481d259338175806eb9a983ddb8edb9ec5aa44
sha512: 75d20d7c0581b2cf61e87d973152cc97a5494bee6dcef8797552a8766ca153207a2fe05048e935dafa13f3a8893ba686c3dc7366013642bc0f7d7238a9a85a56
ssdeep: 6144:GGx720xxBQsWyhrlsyPNQm5Lerl8yOkZr3XtbaYqUH6MuT8y3yD2LkDC7t225nE:pwixBLW4pL35Crfr3FHGTTkDV
type: PE32 executable (GUI) Intel 80386 Mono/.Net assembly, for MS Windows

Version Info:

0: [No Data]

Trojan:Win32/Occamy.CB4 also known as:

K7AntiVirusTrojan ( 0050de4e1 )
K7GWTrojan ( 0050de4e1 )
ESET-NOD32a variant of MSIL/Hoax.FakeFilecoder.O
SophosGeneric PUA PC (PUA)
VIPREHackTool.Win32.Agent (not malicious)
EmsisoftTrojan.Ransom.WannaCryptor.J (B)
MAXmalware (ai score=100)
RisingTrojan.Bitrep!8.F596 (CLOUD)

How to remove Trojan:Win32/Occamy.CB4 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/Occamy.CB4 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/Occamy.CB4 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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