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

What is Trojan:Win32/Occamy.CEF infection?

In this post you will locate about the meaning of Trojan:Win32/Occamy.CEF and also its unfavorable influence on your computer system. Such ransomware are a form of malware that is elaborated by online frauds to require paying the ransom money by a sufferer.

GridinSoft Anti-Malware Review
It is better to prevent, than repair and repent!
When we talk about the intrusion of unfamiliar programs into your computer’s work, the proverb “Forewarned is forearmed” describes the situation as accurately as possible. Gridinsoft Anti-Malware is exactly the tool that is always useful to have in your armory: fast, efficient, up-to-date. It is appropriate to use it as an emergency help at the slightest suspicion of infection.
Gridinsoft Anti-Malware 6-day trial available.
EULA | Privacy Policy | Gridinsoft
Subscribe to our Telegram channel to be the first to know about news and our exclusive materials on information security.

In the majority of the situations, Trojan:Win32/Occamy.CEF ransomware will instruct its targets to launch funds move for the purpose of counteracting the changes that the Trojan infection has actually introduced to the victim’s gadget.

Trojan:Win32/Occamy.CEF Summary

These modifications can be as follows:

  • Network activity detected but not expressed in API logs;
  • Ciphering the documents found on the victim’s disk drive — so the victim can no more use the data;
  • Preventing regular accessibility to the target’s workstation;


One of the most typical channels through which Trojan:Win32/Occamy.CEF Ransomware Trojans are infused are:

  • By ways of phishing emails;
  • As a repercussion of individual ending up on a resource that organizes a harmful software;

As quickly as the Trojan is effectively infused, it will certainly either cipher the data on the victim’s computer or protect against the tool from working in an appropriate fashion – while also putting a ransom note that points out the requirement for the sufferers to effect the settlement for the purpose of decrypting the papers or restoring the file system back to the preliminary condition. In many circumstances, the ransom note will certainly come up when the customer restarts the PC after the system has already been harmed.

Trojan:Win32/Occamy.CEF circulation networks.

In various corners of the world, Trojan:Win32/Occamy.CEF grows by leaps and also bounds. However, the ransom money notes and also tricks of obtaining the ransom money quantity might differ depending on certain local (regional) settings. The ransom money notes as well as tricks of extorting the ransom money amount might differ depending on certain neighborhood (regional) settings.

Ransomware injection

For example:

    Faulty alerts regarding unlicensed software program.

    In certain areas, the Trojans often wrongfully report having actually found some unlicensed applications enabled on the sufferer’s gadget. The sharp then requires the customer to pay the ransom money.

    Faulty declarations about illegal content.

    In nations where software piracy is much less prominent, this approach is not as effective for the cyber fraudulences. Conversely, the Trojan:Win32/Occamy.CEF popup alert may wrongly assert to be deriving from a law enforcement institution as well as will report having located youngster pornography or various other prohibited information on the gadget.

    Trojan:Win32/Occamy.CEF popup alert may wrongly declare to be deriving from a regulation enforcement institution as well as will certainly report having situated child porn or various other illegal information on the tool. The alert will similarly contain a demand for the user to pay the ransom.

Technical details

File Info:

crc32: C3E94650
md5: f0c9fcaad2edf8e786de987f9667fb7d
name: F0C9FCAAD2EDF8E786DE987F9667FB7D.mlw
sha1: d08644df5f5f3a77f822ea67679fecbd465c3ff3
sha256: eff7222569fe4e07194a63812ffc44eb5d6782942d1b7ce9ec6dc088742224d1
sha512: a5d4190bc36d2bffe6a20e45d9367bea72ece4c2e9cccce9f2bbe4c719c40b420398968db1c23d48056d0780528b6017992637f67dd8710967545a64e9696193
ssdeep: 1536:nN/c5+Zi1rGexrqFztgidBensZoSMsUVQo0OW9tsLkVYJTMrd0P9nexrqFztgih:nvs16wrqbgFGM7dosHBIopwrqbgwo
type: PE32 executable (GUI) Intel 80386 Mono/.Net assembly, for MS Windows

Version Info:

Translation: 0x0000 0x04b0
LegalCopyright: Copyright xa9 2019
Assembly Version:
InternalName: Runtime Broker.exe
CompanyName: Microsoft
ProductName: Runtime Broker
FileDescription: Runtime Broker
OriginalFilename: Runtime Broker.exe

Trojan:Win32/Occamy.CEF also known as:

GridinSoft Trojan.Ransom.Gen
K7AntiVirus Trojan ( 0055a5fb1 )
Elastic malicious (high confidence)
DrWeb Trojan.Encoder.31004
Cynet Malicious (score: 99)
CAT-QuickHeal Trojan.YakbeexMSIL.ZZ4
ALYac Trojan.Ransom.Crypren
Cylance Unsafe
Zillya Trojan.Filecoder.Win32.12105
Sangfor Trojan.Win32.Save.a
CrowdStrike win/malicious_confidence_90% (W)
Alibaba Trojan:MSIL/Filecoder.901c635f
K7GW Trojan ( 0055a5fb1 )
Cybereason malicious.ad2edf
Cyren W32/FakeFileCoder.A.gen!Eldorado
Symantec ML.Attribute.HighConfidence
ESET-NOD32 a variant of MSIL/Filecoder.WannaCryFake.D
APEX Malicious
Avast Win32:RansomX-gen [Ransom]
Kaspersky HEUR:Trojan.MSIL.DelShad.gen
BitDefender Gen:Variant.MSILPerseus.198553
NANO-Antivirus Trojan.Win32.Encoder.hauete
MicroWorld-eScan Gen:Variant.MSILPerseus.198553
Tencent Msil.Trojan.Delshad.Ectt
Ad-Aware Gen:Variant.MSILPerseus.198553
Sophos Mal/Generic-S
Comodo Malware@#16u1x5lpqqaao
BitDefenderTheta Gen:NN.ZemsilF.34770.sm0@aCtsB9b
McAfee-GW-Edition RDN/Generic FakeAlert
Emsisoft Gen:Variant.MSILPerseus.198553 (B)
SentinelOne Static AI – Malicious PE
Jiangmin Trojan.MSIL.oafx
Webroot W32.Trojan.Gen
Avira TR/RansomX.cpqbz
Microsoft Trojan:Win32/Occamy.CEF
Arcabit Trojan.MSILPerseus.D30799
AegisLab Trojan.Win32.Imps.4!c
GData Gen:Variant.MSILPerseus.198553
AhnLab-V3 Trojan/Win32.RL_Crypren.C3530036
McAfee RDN/Generic FakeAlert
MAX malware (ai score=83)
Malwarebytes Ransom.Crysis
Panda Trj/GdSda.A
Yandex Trojan.DelShad!YhZvnL7O16I
Ikarus Trojan-Dropper.MSIL.Binder
MaxSecure Trojan.Malware.74133646.susgen
Fortinet W32/DelShad.D!tr
AVG Win32:RansomX-gen [Ransom]

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

Unwanted application has ofter come with other viruses and spyware. This threats can steal account credentials, or crypt your documents for ransom.
Reasons why I would recommend GridinSoft1

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.CEF 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:

Full version of GridinSoft

Full version of GridinSoft Anti-Malware

If the guide doesn’t help you to remove Trojan:Win32/Occamy.CEF you can always ask me in the comments for getting help.

User Review
0 (0 votes)
Comments Rating 0 (0 reviews)


  1. GridinSoft Anti-Malware Review from HowToFix site:
  2. More information about GridinSoft products:

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.

Leave a Reply


This site uses Akismet to reduce spam. Learn how your comment data is processed.