Written by Robert Bailey

What is Trojan:Win32/Occamy.C0A infection?

In this article you will locate about the interpretation of Trojan:Win32/Occamy.C0A and its adverse impact on your computer system. Such ransomware are a type of malware that is specified by online scams to demand paying the ransom money by a sufferer.

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In the majority of the instances, Trojan:Win32/Occamy.C0A ransomware will certainly advise its sufferers to launch funds move for the function of neutralizing the amendments that the Trojan infection has actually introduced to the sufferer’s gadget.

Trojan:Win32/Occamy.C0A Summary

These modifications can be as adheres to:

  • Executable code extraction;
  • Attempts to connect to a dead IP:Port (1 unique times);
  • Presents an Authenticode digital signature;
  • Creates RWX memory;
  • A process attempted to delay the analysis task.;
  • Repeatedly searches for a not-found process, may want to run with startbrowser=1 option;
  • A process created a hidden window;
  • Performs some HTTP requests;
  • Creates an autorun.inf file;
  • Uses Windows utilities for basic functionality;
  • Attempts to delete volume shadow copies;
  • Attempts to repeatedly call a single API many times in order to delay analysis time;
  • Modifies boot configuration settings;
  • Installs itself for autorun at Windows startup;
  • Creates a hidden or system file;
  • Attempts to modify proxy settings;
  • Clears Windows events or logs;
  • Creates a copy of itself;
  • Attempts to disable UAC;
  • Attempts to modify UAC prompt behavior;
  • Uses suspicious command line tools or Windows utilities;
  • Ciphering the records located on the sufferer’s hard disk — so the victim can no more use the information;
  • Preventing routine accessibility to the target’s workstation;

Related domains: Trojan.Ransom.Avaddon Trojan.Ransom.Avaddon Trojan.Ransom.Avaddon Trojan.Ransom.Avaddon


One of the most normal networks where Trojan:Win32/Occamy.C0A Ransomware are infused are:

  • By ways of phishing emails;
  • As a consequence of user winding up on a resource that hosts a malicious software program;

As quickly as the Trojan is efficiently infused, it will certainly either cipher the data on the sufferer’s PC or protect against the gadget from functioning in an appropriate manner – while additionally putting a ransom note that states the requirement for the victims to impact the payment for the purpose of decrypting the files or bring back the data system back to the initial problem. In most instances, the ransom note will certainly show up when the client restarts the PC after the system has actually currently been damaged.

Trojan:Win32/Occamy.C0A circulation networks.

In various edges of the world, Trojan:Win32/Occamy.C0A grows by leaps as well as bounds. Nonetheless, the ransom notes and also techniques of extorting the ransom quantity might differ relying on particular neighborhood (local) settings. The ransom notes and also tricks of extorting the ransom quantity might differ depending on certain neighborhood (local) setups.

Ransomware injection

For instance:

    Faulty informs concerning unlicensed software application.

    In specific locations, the Trojans usually wrongfully report having identified some unlicensed applications made it possible for on the victim’s tool. The alert after that demands the user to pay the ransom.

    Faulty declarations regarding illegal material.

    In nations where software program piracy is less prominent, this method is not as effective for the cyber scams. Alternatively, the Trojan:Win32/Occamy.C0A popup alert might wrongly declare to be originating from a law enforcement organization as well as will report having located child porn or other prohibited information on the gadget.

    Trojan:Win32/Occamy.C0A popup alert may wrongly assert to be deriving from a legislation enforcement institution as well as will report having situated kid pornography or other unlawful data on the tool. The alert will similarly include a need for the user to pay the ransom money.

Technical details

File Info:

crc32: 5374241F
md5: 112721221326a651a0213ecb9519e341
name: ztx555.exe
sha1: c140dc95833b198a239c17838a77a844e2e31866
sha256: 0a255eb353ef77a37e45427258d4e2d27b749a93f821cddbeaefbc91916e1606
sha512: 3cc171761db6578f55ffbf239e29b48eb7fe4f2ea535bb66f81f26f8ed3d75772e1d4bf26718fd4b441fea2f1b6231385771a6cf884768620bd7324bb14fa6cf
ssdeep: 24576:LCBvy8kdTSWCCHx0+pMQmCEr6unzF1eljClKncdlCi6/J9K84ie7wGF:LAodTSSOyA6unzSl2ltIxShF
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

0: [No Data]

Trojan:Win32/Occamy.C0A also known as:

GridinSoft Trojan.Ransom.Gen
Bkav W32.AIDetectVM.malwareB
Cynet Malicious (score: 100)
ALYac Trojan.Ransom.Avaddon
Cylance Unsafe
Sangfor Malware
K7AntiVirus Riskware ( 0040eff71 )
BitDefender Trojan.GenericKD.34043131
K7GW Riskware ( 0040eff71 )
Cybereason malicious.5833b1
TrendMicro Worm.Win32.SULOC.THFAHBO
Cyren W32/Trojan.WIWD-3306
Symantec ML.Attribute.HighConfidence
ESET-NOD32 Win32/Filecoder.Avaddon.A
APEX Malicious
Alibaba Trojan:Application/AvaddonRansom.00bc1d71
MicroWorld-eScan Trojan.GenericKD.34043131
Rising Dropper.Generic!8.35E (TFE:dGZlOgLVVuFZ8JiEQA)
Ad-Aware Trojan.GenericKD.34043131
Emsisoft Adware.Generic (A)
F-Secure Trojan.TR/AD.AvaddonRansom.nsnlw
DrWeb Trojan.DownLoader33.56359
McAfee-GW-Edition Artemis!Trojan
Fortinet W32/Kryptik.HDZJ!tr
FireEye Trojan.GenericKD.34043131
Sophos Troj/Qbot-FS
Ikarus Trojan.SuspectCRC
Webroot W32.Adware.Gen
Avira TR/AD.AvaddonRansom.nsnlw
MAX malware (ai score=83)
Antiy-AVL GrayWare/Win32.Kryptik.ehls
Endgame malicious (high confidence)
Arcabit Trojan.Generic.D20774FB
Microsoft Trojan:Win32/Occamy.C0A
AhnLab-V3 Trojan/Win32.RansomCrypt.C4132636
McAfee Artemis!112721221326
VBA32 BScope.TrojanDownloader.Cridex
Malwarebytes Trojan.Qbot
TrendMicro-HouseCall Worm.Win32.SULOC.THFAHBO
SentinelOne DFI – Malicious PE
eGambit Unsafe.AI_Score_98%
GData Trojan.GenericKD.34043131
BitDefenderTheta Gen:NN.ZexaF.34128.@AX@ausuNMei
AVG Win32:DangerousSig [Trj]
Avast Win32:DangerousSig [Trj]
CrowdStrike win/malicious_confidence_60% (W)
Qihoo-360 Generic/Trojan.Ransom.4ba

How to remove Trojan:Win32/Occamy.C0A 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.C0A 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.C0A you can always ask me in the comments for getting help.

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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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