Written by Robert Bailey

What is Win32/Spy.Ursnif.BO infection?

In this post you will certainly discover regarding the meaning of Win32/Spy.Ursnif.BO as well as its unfavorable influence on your computer system. Such ransomware are a kind of malware that is elaborated by on the internet frauds to require paying the ransom money by a sufferer.

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Most of the cases, Win32/Spy.Ursnif.BO ransomware will certainly instruct its targets to launch funds move for the function of reducing the effects of the amendments that the Trojan infection has actually presented to the victim’s tool.

Win32/Spy.Ursnif.BO 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.
  • 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.
  • Unconventionial language used in binary resources: Russian;
  • Anomalous binary characteristics. This is a way of hiding virus’ code from antiviruses and virus’ analysts.
  • Ciphering the files located on the sufferer’s hard drive — so the sufferer can no longer make use of 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.


One of the most typical channels where Win32/Spy.Ursnif.BO Ransomware Trojans are infused are:

  • By ways of phishing e-mails;
  • As an effect of individual ending up on a resource that holds a destructive software application;

As soon as the Trojan is successfully injected, it will either cipher the information on the sufferer’s computer or stop the device from operating in a proper way – while additionally putting a ransom money note that mentions the demand for the victims to impact the repayment for the purpose of decrypting the papers or bring back the file system back to the first problem. In many circumstances, the ransom note will certainly show up when the customer reboots the COMPUTER after the system has actually already been harmed.

Win32/Spy.Ursnif.BO circulation networks.

In numerous edges of the world, Win32/Spy.Ursnif.BO grows by jumps as well as bounds. Nonetheless, the ransom money notes and techniques of obtaining the ransom amount may differ depending on particular local (regional) settings. The ransom money notes and tricks of extorting the ransom money quantity may vary depending on particular neighborhood (local) settings.

Ransomware injection

For example:

    Faulty informs about unlicensed software.

    In certain areas, the Trojans frequently wrongfully report having spotted some unlicensed applications made it possible for on the target’s gadget. The sharp after that demands the customer to pay the ransom money.

    Faulty statements regarding prohibited content.

    In countries where software piracy is less popular, this method is not as reliable for the cyber scams. Additionally, the Win32/Spy.Ursnif.BO popup alert may wrongly assert to be originating from a law enforcement institution and also will certainly report having located youngster porn or other illegal information on the gadget.

    Win32/Spy.Ursnif.BO popup alert may wrongly assert to be acquiring from a law enforcement establishment and also will report having located child pornography or other illegal information on the tool. The alert will in a similar way include a requirement for the user to pay the ransom money.

Technical details

File Info:

crc32: C4E66D07
md5: bd0a60e1a53eaa65765f953dc912249c
name: BD0A60E1A53EAA65765F953DC912249C.mlw
sha1: 2b934a0688ebaef3ac248cb5c9ddfc52c4b6cece
sha256: 907dbe6209b3009bba3cbf15961f821e79bf426ef2f5c3f3531d9e7c7f6600d7
sha512: c72b2a12e1b926800c0284b057d2a65d87e4947d43d110fc57f0206ed4f99f80fb69992e14ca29e456a5a4ce1eeffef28298db6d6bb61076a6fb5074b7a3fbff
ssdeep: 24576:pAT8QE+kWGUcretm99ijYh7pb19h6gfDEhoj+B2Vmds7vUFP:pAI+cj99isjb1/vDEoj+oVmsvUJ
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

LegalCopyright: CompanyCanadaPro
FileDescription: CompanyCanadaPro 1.00 Installation
FileVersion: 1.00
CompanyName: CompanyCanadaPro
Translation: 0x0409 0x04e4

Win32/Spy.Ursnif.BO also known as:

GridinSoft Trojan.Ransom.Gen
Bkav W32.AIDetect.malware1
K7AntiVirus Trojan ( 0040f8241 )
DrWeb Trojan.MulDrop7.45511
Cynet Malicious (score: 99)
ALYac Gen:Variant.Trojan.Crypt.63
Cylance Unsafe
K7GW Trojan ( 0040f8241 )
Cybereason malicious.1a53ea
Symantec ML.Attribute.HighConfidence
ESET-NOD32 Win32/Spy.Ursnif.BO
APEX Malicious
Avast Win32:Malware-gen
ClamAV Win.Malware.Banpak-6989596-0
Kaspersky Backdoor.Win32.Dreambot.fg
BitDefender Gen:Variant.Trojan.Crypt.63
NANO-Antivirus Trojan.Win32.Dreambot.eypfxe
MicroWorld-eScan Gen:Variant.Trojan.Crypt.63
Tencent Win32.Backdoor.Dreambot.Pfje
Sophos Mal/Generic-R
Comodo Malware@#2ya6z5mh02q9h
BitDefenderTheta Gen:NN.ZexaF.34678.Hq0@aymGAjk
VIPRE Trojan.Win32.Generic!BT
McAfee-GW-Edition Generic.dqf
FireEye Gen:Variant.Trojan.Crypt.63
Emsisoft Gen:Variant.Trojan.Crypt.63 (B)
Avira HEUR/AGEN.1126309
eGambit Unsafe.AI_Score_99%
Microsoft TrojanSpy:Win32/Ursnif!rfn
AegisLab Trojan.Win32.Dreambot.m!c
GData Gen:Variant.Trojan.Crypt.63
AhnLab-V3 Backdoor/Win32.Dreambot.C2481200
McAfee Generic.dqf
MAX malware (ai score=98)
VBA32 Trojan.MulDrop
Panda Trj/CI.A
Rising Backdoor.Dreambot!8.E87E (CLOUD)
Yandex Backdoor.Dreambot!eEoiW1l/W4w
Ikarus Trojan.Win32.Stimilik
MaxSecure Trojan-Ransom.Win32.Crypmod.zfq
Fortinet W32/Ursnif.BO!tr.spy
AVG Win32:Malware-gen
Qihoo-360 Win32/Backdoor.DreamBot.HwUBEpsA

How to remove Win32/Spy.Ursnif.BO 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 Win32/Spy.Ursnif.BO 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 Win32/Spy.Ursnif.BO 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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