Win32:Ursnif-BF [Trj]

What is Win32:Ursnif-BF [Trj] infection?

In this short article you will certainly discover regarding the definition of Win32:Ursnif-BF [Trj] and its unfavorable influence on your computer system. Such ransomware are a form of malware that is clarified by on-line fraudulences to demand paying the ransom by a target.

It is better to prevent, than repair and repent!

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Most of the cases, Win32:Ursnif-BF [Trj] infection will certainly instruct its sufferers to launch funds move for the objective of reducing the effects of the modifications that the Trojan infection has actually introduced to the victim’s device.

Win32:Ursnif-BF [Trj] Summary

These modifications can be as follows:

• Injection with CreateRemoteThread in a remote process;
• 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.
• Reads data out of its own binary image. The trick that allows the malware to read data out of your computer’s memory.

  Everything you run, type, or click on your computer goes through the memory. This includes passwords, bank account numbers, emails, and other confidential information. With this vulnerability, there is the potential for a malicious program to read that data.

• A process created a hidden window;
• Drops a binary and executes it. Trojan-Downloader installs itself to the system and waits until an Internet connection becomes available to connect to a remote server or website in order to download additional malware onto the infected computer.
• 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;
• Queries information on disks for anti-virtualization via Device Information APIs;
• 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;
• Anomalous binary characteristics. This is a way of hiding virus’ code from antiviruses and virus’ analysts.
• Ciphering the papers found on the victim’s disk drive — so the sufferer can no longer utilize the information;
• Preventing routine accessibility to the sufferer’s workstation. This is the typical behavior of a virus called locker. It blocks access to the computer until the victim pays the ransom.

Win32:Ursnif-BF [Trj]

The most normal channels where Win32:Ursnif-BF [Trj] Ransomware are injected are:

• By methods of phishing e-mails. Email phishing is a cyber attack that uses disguised email as a goal is to trick the recipient into believing that the message is something they want or need — a request from their bank, for instance, or a note from someone in their company — and to click a link for download a malware.
• As an effect of customer winding up on a resource that holds a harmful software;

As quickly as the Trojan is effectively injected, it will certainly either cipher the information on the sufferer’s PC or avoid the device from working in a proper way – while also placing a ransom note that states the demand for the targets to effect the payment for the function of decrypting the papers or recovering the documents system back to the preliminary problem. In the majority of circumstances, the ransom note will certainly come up when the customer restarts the COMPUTER after the system has actually currently been damaged.

Win32:Ursnif-BF [Trj] distribution networks.

In different edges of the globe, Win32:Ursnif-BF [Trj] grows by jumps and bounds. Nevertheless, the ransom money notes as well as techniques of extorting the ransom money quantity might vary relying on particular regional (local) setups. The ransom notes and tricks of extorting the ransom amount may differ depending on specific neighborhood (regional) setups.

For example:

Faulty notifies regarding unlicensed software program.

In particular locations, the Trojans frequently wrongfully report having found some unlicensed applications made it possible for on the sufferer’s tool. The sharp then requires the individual to pay the ransom money.

Faulty declarations regarding unlawful content.

In countries where software piracy is less preferred, this method is not as reliable for the cyber scams. Additionally, the Win32:Ursnif-BF [Trj] popup alert may falsely declare to be originating from a law enforcement organization as well as will certainly report having located youngster porn or other prohibited data on the gadget.

Win32:Ursnif-BF [Trj] popup alert might incorrectly assert to be acquiring from a law enforcement institution as well as will certainly report having located child pornography or other illegal data on the gadget. The alert will similarly include a need for the individual to pay the ransom.

Technical details

File Info:
crc32: 416C6DF8
md5: 5db90d8888a5dd4fb981915b82777597
name: 5DB90D8888A5DD4FB981915B82777597.mlw
sha1: df22b846d2d00a0c0804e5aa540ce3169d124adf
sha256: 8bc7cb5785fa7ad56e0860854077524b519aaf0a8b2252fb4c66f1d15b38f397
sha512: 5ea8c054b57502abf26d526f81a4408b704a1e91910ec095f657a1e46423a39a87df242c7d41b71802863a9fd3c78ba13c7ab57373fea76862ff7cd46b7c3c07
ssdeep: 6144:YK6LNa1nxOBYxWW+aZXdD2RviQmUkt1bBn/qJtZVSjQvD/+7p13gjwpnNfWGS77:cUn9xWWZZXdD2B0t199gLCQjwNN+GSa
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:
0: [No Data]

Win32:Ursnif-BF [Trj] also known as:

How to remove Win32:Ursnif-BF [Trj] virus?

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.

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.

Press “Install” button.

Once installed, Anti-Malware will automatically run.

Wait for the Anti-Malware scan to complete.

GridinSoft Anti-Malware will automatically start scanning your system for Win32:Ursnif-BF [Trj] 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.

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.

Are Your Protected?

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If the guide doesn’t help you to remove Win32:Ursnif-BF [Trj] you can always ask me in the comments for getting help.

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