Written by Robert Bailey

What is Trojan:Win32/Occamy.CF1 infection?

In this short article you will locate about the meaning of Trojan:Win32/Occamy.CF1 and its negative influence on your computer. Such ransomware are a type of malware that is specified by on-line frauds to require paying the ransom money by a victim.

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Most of the instances, Trojan:Win32/Occamy.CF1 ransomware will advise its targets to initiate funds transfer for the purpose of neutralizing the modifications that the Trojan infection has presented to the target’s gadget.

Trojan:Win32/Occamy.CF1 Summary

These alterations can be as adheres to:

  • Attempts to modify Internet Explorer’s start page;
  • Installs itself for autorun at Windows startup. There is simple tactic using the Windows startup folder located at:
    C:\Users\[user-name]\AppData\Roaming\Microsoft\Windows\StartMenu\Programs\Startup. Shortcut links (.lnk extension) placed in this folder will cause Windows to launch the application each time [user-name] logs into Windows.

    The registry run keys perform the same action, and can be located in different locations:

    • HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\Run
    • HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run
    • HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\RunOnce
    • HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\RunOnce
  • Operates on local firewall’s policies and settings;
  • Attempts to disable System Restore. System Restore function – allows you to revert the computer’s state (system files, applications, and system settings) to that of a previous point in time, which can be used to recover after a virus attack.
  • Attempts to disable UAC.

    User Account Control or just UAC is a part of the Windows security system which prevents apps from making unwanted changes on PC.

    UAC includes several technologies 1:

    • File and egistry Virtualization;
    • Same-desktop Elevation;
    • Filtered Token;
    • User Interface Privilege Isolation;
    • Protected Mode Internet Explorer;
    • Installer Detection;
  • Attempts to disable Windows Defender;
  • Attempts to modify or disable Security Center warnings;
  • Attempts to modify UAC prompt behavior;
  • Anomalous binary characteristics. This is a way of hiding virus’ code from antiviruses and virus’ analysts.
  • Attempts to modify user notification settings;
  • Ciphering the papers situated on the target’s hard disk drive — so the victim can no more make use of the information;
  • Preventing routine accessibility to the target’s workstation. This is the typical behavior of a virus called locker. It blocks access to the computer until the victim pays the ransom.


One of the most common channels through which Trojan:Win32/Occamy.CF1 Trojans are injected are:

  • By means of phishing emails;
  • As a consequence of individual winding up on a resource that organizes a malicious software program;

As quickly as the Trojan is effectively infused, it will certainly either cipher the information on the sufferer’s computer or stop the tool from functioning in a correct way – while also putting a ransom note that discusses the requirement for the victims to effect the payment for the objective of decrypting the documents or restoring the file system back to the first condition. In many instances, the ransom money note will certainly come up when the client reboots the PC after the system has currently been damaged.

Trojan:Win32/Occamy.CF1 circulation networks.

In various edges of the world, Trojan:Win32/Occamy.CF1 grows by jumps and bounds. Nonetheless, the ransom money notes and techniques of obtaining the ransom amount might vary depending upon particular regional (regional) setups. The ransom notes and tricks of obtaining the ransom money amount may vary depending on particular neighborhood (local) settings.

Ransomware injection

For example:

    Faulty signals about unlicensed software program.

    In certain locations, the Trojans usually wrongfully report having actually found some unlicensed applications made it possible for on the target’s device. The alert after that requires the individual to pay the ransom money.

    Faulty declarations concerning prohibited material.

    In nations where software piracy is much less popular, this technique is not as efficient for the cyber frauds. Conversely, the Trojan:Win32/Occamy.CF1 popup alert might falsely claim to be originating from a police institution as well as will report having situated child porn or various other unlawful data on the device.

    Trojan:Win32/Occamy.CF1 popup alert might incorrectly assert to be acquiring from a law enforcement institution and also will certainly report having located child porn or other illegal information on the gadget. The alert will in a similar way have a need for the user to pay the ransom money.

Technical details

File Info:

crc32: B1C36106
md5: 7e1d61cec03a7705d370884dbcc4e5d5
name: 7E1D61CEC03A7705D370884DBCC4E5D5.mlw
sha1: 99cc263e3ada58b6ef4b90c0a67e52daa4d6dad2
sha256: f18c0fcc2250f6ef324f1283ea517cd2f60369b49dfd542d941809f111a2b506
sha512: 90b3d14a10812c55d40e1acaff9857256ba3b21641ffd6a6b39522d45bb67dfd047dd8fc20667c839069f8e6f0b8aec1d12597c6c2b27f2bf834bd398b3ad21c
ssdeep: 3072:yzFfHgTWmCRkGbKGLeNTBfmD0BoO446D0oBdogHauqJV:w5aWbksiNTBurO4TD0oBdfHD8
type: PE32 executable (console) Intel 80386, for MS Windows

Version Info:

LegalCopyright: x6eafx6c50x6f6e
InternalName: x6eafx6c50x6f6e
CompanyName: x6eafx6c50x6f6e
PrivateBuild: x6eafx6c50x6f6e
LegalTrademarks: x6eafx6c50x6f6e
Comments: x6eafx6c50x6f6e
ProductName: x6eafx6c50x6f6e
SpecialBuild: x6eafx6c50x6f6e
FileDescription: x6eafx6c50x6f6e
OriginalFilename: x6eafx6c50x6f6e
Translation: 0x0000 0x04e4

Trojan:Win32/Occamy.CF1 also known as:

GridinSoft Trojan.Ransom.Gen
K7AntiVirus Trojan ( 005622641 )
Elastic malicious (high confidence)
Cynet Malicious (score: 100)
ALYac Trojan.GenericKD.42833397
Cylance Unsafe
Sangfor Trojan.Win32.Save.a
CrowdStrike win/malicious_confidence_100% (W)
Alibaba Ransom:Win32/Blocker.be7957f1
K7GW Trojan ( 005622641 )
Cybereason malicious.ec03a7
Cyren W32/Delf.MV.gen!Eldorado
Symantec ML.Attribute.HighConfidence
Avast Win32:Trojan-gen
Kaspersky Trojan-Ransom.Win32.Blocker.mezy
BitDefender Trojan.GenericKD.42833397
NANO-Antivirus Trojan.Win32.Blocker.heukef
MicroWorld-eScan Trojan.GenericKD.42833397
Tencent Win32.Trojan.Blocker.Aiin
Ad-Aware Trojan.GenericKD.42833397
Sophos Mal/Generic-S
Comodo Malware@#1cy0a6p351f8a
BitDefenderTheta Gen:NN.ZexaF.34804.mu0@a4fmmKn
VIPRE Trojan.Win32.Generic!BT
McAfee-GW-Edition BehavesLike.Win32.Ransom.dh
Emsisoft Trojan.GenericKD.42833397 (B)
Webroot W32.Blocker.Mezy
eGambit Unsafe.AI_Score_98%
Kingsoft Win32.Troj.Undef.(kcloud)
Microsoft Trojan:Win32/Occamy.CF1
Gridinsoft Trojan.Win32.Agent.dg
Arcabit Trojan.Generic.D28D95F5
AegisLab Trojan.Win32.Blocker.j!c
ZoneAlarm Trojan-Ransom.Win32.Blocker.mezy
GData Trojan.GenericKD.42833397
McAfee Artemis!7E1D61CEC03A
MAX malware (ai score=83)
VBA32 TrojanRansom.Blocker
Malwarebytes Malware.Heuristic.1008
Panda Trj/CI.A
Rising Ransom.Blocker!8.12A (CLOUD)
Ikarus Trojan.BAT.Disabler
Fortinet W32/Blocker.MEZY!tr
AVG Win32:Trojan-gen
Qihoo-360 Win32/Ransom.Blocker.HgIASOQA

How to remove Trojan:Win32/Occamy.CF1 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 GridinSoft2

There is no better way to recognize, remove and prevent PC threats than to use an anti-malware software from GridinSoft3.

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.CF1 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.CF1 you can always ask me in the comments for getting help.

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  1. Microsoft Ignite: How to disable User Account Control (UAC) on Windows Server
  2. GridinSoft Anti-Malware Review from HowToFix site:
  3. More information about GridinSoft products:

About the author

Robert Bailey

Security Engineer. Interested in malware, reverse engineering, white ethical hacking. I like coding, travelling and bikes.

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