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

What is Trojan:Win32/Occamy.C12 infection?

In this article you will certainly locate regarding the meaning of Trojan:Win32/Occamy.C12 and its negative effect on your computer system. Such ransomware are a kind of malware that is specified by online fraudulences to require paying the ransom by a sufferer.

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In the majority of the instances, Trojan:Win32/Occamy.C12 virus will certainly advise its targets to start funds transfer for the objective of counteracting the modifications that the Trojan infection has actually introduced to the victim’s tool.

Trojan:Win32/Occamy.C12 Summary

These adjustments 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.
  • Unconventionial language used in binary resources: Czech;
  • The binary likely contains encrypted or compressed data. In this case, encryption is a way of hiding virus’ code from antiviruses and virus’ analysts.
  • The executable is compressed using UPX;
  • Attempts to modify proxy settings. This trick used for inject malware into connection between browser and server;
  • Collects information to fingerprint the system. There are behavioral human characteristics that can be used to digitally identify a person to grant access to systems, devices, or data. Unlike passwords and verification codes, fingerprints are fundamental parts of user’s identities. Among the threats blocked on biometric data processing and storage systems is spyware, the malware used in phishing attacks (mostly spyware downloaders and droppers), ransomware, and Banking Trojans as posing the greatest danger.
  • Ciphering the documents located on the target’s hard disk — so the sufferer can no more utilize the information;
  • Preventing regular accessibility to the sufferer’s workstation;
Similar behavior
Related domains Ransom.GandCrab Ransom.GandCrab Ransom.GandCrab


One of the most common networks where Trojan:Win32/Occamy.C12 are injected are:

  • By methods of phishing emails;
  • As a consequence of customer ending up on a source that hosts a malicious software application;

As soon as the Trojan is efficiently infused, it will certainly either cipher the information on the target’s PC or protect against the tool from operating in a correct manner – while also positioning a ransom money note that points out the demand for the victims to effect the settlement for the objective of decrypting the files or restoring the data system back to the first problem. In a lot of circumstances, the ransom money note will certainly come up when the client restarts the COMPUTER after the system has actually currently been harmed.

Trojan:Win32/Occamy.C12 circulation networks.

In different corners of the globe, Trojan:Win32/Occamy.C12 grows by leaps and bounds. However, the ransom notes and methods of extorting the ransom money quantity might vary depending upon particular neighborhood (regional) settings. The ransom money notes as well as techniques of obtaining the ransom money amount might differ depending on specific regional (local) settings.

Ransomware injection

As an example:

    Faulty informs concerning unlicensed software application.

    In specific locations, the Trojans usually wrongfully report having actually found some unlicensed applications enabled on the target’s device. The alert then requires the customer to pay the ransom.

    Faulty statements about prohibited material.

    In nations where software program piracy is much less popular, this approach is not as reliable for the cyber scams. Additionally, the Trojan:Win32/Occamy.C12 popup alert might wrongly claim to be stemming from a police institution as well as will report having situated child pornography or other unlawful data on the gadget.

    Trojan:Win32/Occamy.C12 popup alert may falsely assert to be obtaining from a regulation enforcement establishment and also will report having situated child pornography or various other prohibited information on the tool. The alert will in a similar way include a need for the customer to pay the ransom.

Technical details

File Info:

crc32: 0ABA3C20
md5: 13345d06b1cc4789b3139303c8cfa8a9
name: 13345D06B1CC4789B3139303C8CFA8A9.mlw
sha1: 5efa15e0ed1d67140da9842476ceb391e4b9329e
sha256: 124ba16b65a691428472d396199e47ad6d2acb61e78d072c5758ea05109a5ebc
sha512: 614ccc20743910f3bdf34b9300e9451be4a6c6efb197d6fdb3908ab8df34b97aa448c3ec54113a8400a21f8779234494fd6e5698db866d182b99a1d79c4f9205
ssdeep: 3072:imbwH5aFOaG7w9vFv+IyTdmshttfbBkx3uWwrBRDWCAyl3uRbIQ5spFx1f2HP:JS5aF16ovFv+Iy/LJGxhwrBICvKOx1
type: PE32 executable (GUI) Intel 80386, for MS Windows, UPX compressed

Version Info:

Translation: 0x0399 0x04b0

Trojan:Win32/Occamy.C12 also known as:

GridinSoft Trojan.Ransom.Gen
Bkav W32.AIDetect.malware1
K7AntiVirus Trojan ( 005467ec1 )
Elastic malicious (high confidence)
DrWeb Trojan.PWS.Stealer.24943
Cynet Malicious (score: 100)
ALYac DeepScan:Generic.Mint.Zamg.8.709B681F
Cylance Unsafe
Sangfor Trojan.Win32.Save.a
CrowdStrike win/malicious_confidence_100% (W)
Alibaba TrojanPSW:Win32/Azorult.e55decad
K7GW Trojan ( 005467ec1 )
Cybereason malicious.6b1cc4
Symantec Infostealer.Rultazo
ESET-NOD32 a variant of Win32/Kryptik.GPBL
APEX Malicious
Avast Win32:Malware-gen
ClamAV Win.Malware.Domv-6838152-0
Kaspersky Trojan-PSW.Win32.Azorult.gpm
BitDefender DeepScan:Generic.Mint.Zamg.8.709B681F
NANO-Antivirus Trojan.Win32.Stealer.fmoaag
MicroWorld-eScan DeepScan:Generic.Mint.Zamg.8.709B681F
Tencent Malware.Win32.Gencirc.114d9a09
Ad-Aware DeepScan:Generic.Mint.Zamg.8.709B681F
Sophos Mal/Generic-S + Mal/GandCrab-G
Comodo TrojWare.Win32.PSW.Azorult.PB@8d5t20
BitDefenderTheta Gen:NN.ZexaF.34722.lmKfa8vb8ylO
VIPRE Trojan.Win32.Generic!BT
Emsisoft DeepScan:Generic.Mint.Zamg.8.709B681F (B)
SentinelOne Static AI – Suspicious PE
Jiangmin Trojan.Zenpak.cip
Webroot W32.Malware.Gen
Avira HEUR/AGEN.1120552
eGambit Unsafe.AI_Score_77%
Antiy-AVL Trojan/Generic.ASMalwS.2A94EC9
Microsoft Trojan:Win32/Occamy.C12
Arcabit DeepScan:Generic.Mint.Zamg.8.709B681F
AegisLab Trojan.Win32.Azorult.4!c
ZoneAlarm Trojan-PSW.Win32.Azorult.gpm
GData DeepScan:Generic.Mint.Zamg.8.709B681F
AhnLab-V3 Trojan/Win32.Gandcrab.R253625
Acronis suspicious
McAfee Artemis!13345D06B1CC
MAX malware (ai score=100)
VBA32 BScope.Trojan.Fuery
Malwarebytes Ransom.GandCrab
Panda Trj/Genetic.gen
Yandex Trojan.GenAsa!y2JUIok2Cz8
Ikarus Trojan.VidarStealer
MaxSecure Trojan.Malware.300983.susgen
Fortinet W32/Kryptik.GPBC!tr
AVG Win32:Malware-gen

How to remove Trojan:Win32/Occamy.C12 ransomware?

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.C12 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.C12 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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