Trojan:Win32/Occamy.C0A

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.

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. 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.
• Attempts to connect to a dead IP:Port (1 unique times);
• Presents an Authenticode digital signature;
• 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.
• 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. This significantly complicates the work of the virus analyzer. Typical malware tactics!
• Modifies boot configuration settings;
• 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
• Creates a hidden or system file. The malware adds the hidden attribute to every file and folder on your system, so it appears as if everything has been deleted from your hard drive.
• Attempts to modify proxy settings. This trick used for inject malware into connection between browser and server;
• Clears Windows events or logs;
• Creates a copy of itself;
• 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 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. This is the typical behavior of a virus called locker. It blocks access to the computer until the victim pays the ransom.

Similar behavior

Related domains

Trojan:Win32/Occamy.C0A

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.

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: 5374241Fmd5: 112721221326a651a0213ecb9519e341name: ztx555.exesha1: c140dc95833b198a239c17838a77a844e2e31866sha256: 0a255eb353ef77a37e45427258d4e2d27b749a93f821cddbeaefbc91916e1606sha512: 3cc171761db6578f55ffbf239e29b48eb7fe4f2ea535bb66f81f26f8ed3d75772e1d4bf26718fd4b441fea2f1b6231385771a6cf884768620bd7324bb14fa6cfssdeep: 24576:LCBvy8kdTSWCCHx0+pMQmCEr6unzF1eljClKncdlCi6/J9K84ie7wGF:LAodTSSOyA6unzSl2ltIxShFtype: PE32 executable (GUI) Intel 80386, for MS Windows
Version Info:
0: [No Data]

Trojan:Win32/Occamy.C0A also known as:

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.

Reasons why I would recommend GridinSoft²

Run the setup file.

Press “Install” button.

Once installed, Anti-Malware will automatically run.

Wait for the Anti-Malware scan to complete.

Click on “Clean Now”.

Are Your Protected?

If the guide doesn’t help you to remove Trojan:Win32/Occamy.C0A you can always ask me in the comments for getting help.

1. Microsoft Ignite: How to disable User Account Control (UAC) on Windows Server