Trojan-Ransom. Win32. Foreign. Okcb

What is Trojan-Ransom.Win32.Foreign.okcb infection?

In this post you will certainly find regarding the definition of Trojan-Ransom.Win32.Foreign.okcb as well as its negative influence on your computer. Such ransomware are a kind of malware that is clarified by on-line fraudulences to require paying the ransom by a sufferer.

In the majority of the situations, Trojan-Ransom.Win32.Foreign.okcb virus will certainly instruct its victims to start funds move for the function of neutralizing the modifications that the Trojan infection has actually introduced to the sufferer’s gadget.

Trojan-Ransom.Win32.Foreign.okcb Summary

These adjustments can be as complies with:

• 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.
• Injection with CreateRemoteThread in a remote process;
• Attempts to connect to a dead IP:Port (3 unique times);
• 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 created a hidden window;
• HTTP traffic contains suspicious features which may be indicative of malware related traffic;
• Performs some HTTP requests;
• Unconventionial language used in binary resources: Portuguese (Brazilian);
• The binary likely contains encrypted or compressed data. In this case, encryption is a way of hiding virus’ code from antiviruses and virus’ analysts.
• Uses Windows utilities for basic functionality;
• Sniffs keystrokes;
• A process attempted to delay the analysis task by a long amount of time.;
• Creates or sets a registry key to a long series of bytes, possibly to store a binary or malware config;
• A system process is generating network traffic likely as a result of process injection;
• 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 copy of itself;
• Creates a slightly modified copy of itself;
• Ciphering the documents situated on the sufferer’s hard disk drive — so the target can no longer make use of the information;
• Preventing routine accessibility to the victim’s workstation. This is the typical behavior of a virus called locker. It blocks access to the computer until the victim pays the ransom.

Trojan-Ransom.Win32.Foreign.okcb

One of the most regular networks through which Trojan-Ransom.Win32.Foreign.okcb Trojans are infused are:

• By methods of phishing emails;
• As a consequence of individual winding up on a resource that hosts a harmful software;

As quickly as the Trojan is efficiently infused, it will either cipher the information on the target’s PC or stop the tool from operating in a proper way – while likewise putting a ransom money note that states the demand for the victims to impact the repayment for the objective of decrypting the documents or recovering the data system back to the preliminary problem. In the majority of circumstances, the ransom money note will certainly turn up when the client restarts the PC after the system has actually currently been damaged.

Trojan-Ransom.Win32.Foreign.okcb distribution networks.

In numerous edges of the globe, Trojan-Ransom.Win32.Foreign.okcb grows by leaps and bounds. Nevertheless, the ransom money notes and also techniques of extorting the ransom money amount may vary depending upon specific regional (local) settings. The ransom money notes and techniques of obtaining the ransom money amount may vary depending on specific neighborhood (regional) settings.

As an example:

Faulty signals about unlicensed software application.

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

Faulty statements about unlawful content.

In nations where software application piracy is much less popular, this method is not as efficient for the cyber scams. Conversely, the Trojan-Ransom.Win32.Foreign.okcb popup alert may incorrectly assert to be deriving from a police establishment as well as will certainly report having located youngster porn or other illegal data on the device.

Trojan-Ransom.Win32.Foreign.okcb popup alert may incorrectly claim to be deriving from a regulation enforcement establishment and also will certainly report having located kid pornography or other prohibited data on the gadget. The alert will similarly have a demand for the customer to pay the ransom.

Technical details

File Info:
crc32: 917421C2md5: 301b87d11b03474fa8d37858ae2b4b12name: updater.exesha1: 1a9447405d9c6647a892406766c93b10ff825437sha256: c6cf5bb08cb44598b5d1e0c920f15036802ed4a8354600dec5372a5a2a217383sha512: 0effeebe2e9d95985e082a9ef2b955f61997ae863878c4f1f723f54e5f3493a7ebb8e52aee3cba555bc5c7632ca09d85ef1ef3cf59717575b709a556f0626850ssdeep: 12288:WDmYQWqReNX3l6uKbrUB3FSaI+KDnWaGIU/Ry0K/XNLJz8:WarHkljE2MaxKDnNU/U0K/9xtype: PE32 executable (GUI) Intel 80386, for MS Windows
Version Info:
Translation: 0x0215 0x04e5

Trojan-Ransom.Win32.Foreign.okcb also known as: