Ursu.911784 (B)

What is the Win32:Evo-gen [Trj] virus?
Written by Robert Bailey

What is Ursu.911784 (B) infection?

In this article you will discover about the definition of Ursu.911784 (B) as well as its unfavorable impact on your computer system. Such ransomware are a form of malware that is elaborated by online fraudulences to require paying the ransom money by a target.

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Most of the situations, Ursu.911784 (B) infection will certainly instruct its targets to launch funds transfer for the function of neutralizing the modifications that the Trojan infection has actually presented to the victim’s device.

Ursu.911784 (B) 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.
  • Injection (inter-process);
  • Injection (Process Hollowing);
  • 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.
  • Mimics the system’s user agent string for its own requests;
  • Possible date expiration check, exits too soon after checking local time;
  • A process attempted to delay the analysis task.;
  • A named pipe was used for inter-process communication;
  • 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;
  • Uses Windows utilities for basic functionality;
  • Executed a process and injected code into it, probably while unpacking;
  • 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
  • Checks the version of Bios, possibly for anti-virtualization;
  • Checks the CPU name from registry, possibly for anti-virtualization;
  • Attempts to modify proxy settings. This trick used for inject malware into connection between browser and server;
  • Collects information to fingerprint the system. There are behavioral human characteristics that can be used to digitally identify a person to grant access to systems, devices, or data. Unlike passwords and verification codes, fingerprints are fundamental parts of user’s identities. Among the threats blocked on biometric data processing and storage systems is spyware, the malware used in phishing attacks (mostly spyware downloaders and droppers), ransomware, and Banking Trojans as posing the greatest danger.
  • Anomalous binary characteristics. This is a way of hiding virus’ code from antiviruses and virus’ analysts.
  • Ciphering the papers found on the target’s disk drive — so the sufferer can no more make use of the information;
  • Preventing normal accessibility to the victim’s workstation;
Similar behavior
Related domains
www.ip-adress.comBScope.TrojanRansom.Shade

Ursu.911784 (B)

One of the most typical networks whereby Ursu.911784 (B) Trojans are infused 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 a consequence of customer ending up on a source that holds a harmful software program;

As quickly as the Trojan is efficiently injected, it will either cipher the information on the sufferer’s computer or avoid the gadget from operating in a proper way – while additionally putting a ransom money note that states the need for the victims to impact the payment for the function of decrypting the papers or restoring the data system back to the first condition. In most instances, the ransom money note will show up when the client reboots the COMPUTER after the system has actually already been harmed.

Ursu.911784 (B) distribution channels.

In various edges of the world, Ursu.911784 (B) expands by jumps as well as bounds. Nevertheless, the ransom money notes and methods of extorting the ransom money amount may vary depending on certain local (regional) settings. The ransom notes and also tricks of extorting the ransom amount may differ depending on particular local (local) settings.

Ransomware injection

As an example:

    Faulty signals about unlicensed software application.

    In certain areas, the Trojans usually wrongfully report having actually identified some unlicensed applications made it possible for on the victim’s device. The alert then requires the user to pay the ransom.

    Faulty statements about illegal content.

    In countries where software piracy is much less prominent, this technique is not as effective for the cyber scams. Additionally, the Ursu.911784 (B) popup alert might wrongly assert to be deriving from a law enforcement institution as well as will report having situated youngster porn or other unlawful data on the gadget.

    Ursu.911784 (B) popup alert may wrongly claim to be deriving from a law enforcement establishment and also will certainly report having situated child porn or various other prohibited information on the gadget. The alert will similarly contain a requirement for the user to pay the ransom money.

Technical details

File Info:

crc32: 531BEFC2
md5: 4ec5b480f56d2f6cf44b832694cfe105
name: 88888.png
sha1: 60520dac62fa9b530a688c7bdbfb146549498878
sha256: 08e52a966ea59d62ed8333a8299a0534b950107abfabfa75ad5f0e0d4d763d34
sha512: 0d111542bf8ccc4bae6e4468e475ccab9f6b8b332796827f4910edacbd781e07bc9bbb7bd35a6f25e1558d5ac0ce3a4594aa14adad59c1556de09b7fb82d0b77
ssdeep: 12288:0lQB2wwLHqpVxT85LfHbRhco5QFuo+NCYkfgn6ggKENK:T2wwTX5Ldhf5QUo+NRkfg93EU
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

LegalCopyright: Copyright xa9 2015 ZPN
InternalName: ZPN Connect
FileVersion: 2.0.2.0
CompanyName: ZPN
LegalTrademarks1: All Rights Reserved
LegalTrademarks2: All Rights Reserved
ProductName: ZPN Connect v1
ProductVersion: 2.0.2
FileDescription: ZPN Connect
OriginalFilename: ZpnCli.exe
Translation: 0x0409 0x04e4

Ursu.911784 (B) also known as:

GridinSoftTrojan.Ransom.Gen
BkavW32.AIDetectVM.malwareB
MicroWorld-eScanGen:Variant.Ursu.911784
FireEyeGeneric.mg.4ec5b480f56d2f6c
McAfeeW32/PinkSbot-GW!4EC5B480F56D
CylanceUnsafe
SangforMalware
BitDefenderGen:Variant.Ursu.911784
CrowdStrikewin/malicious_confidence_100% (D)
Invinceaheuristic
APEXMalicious
GDataGen:Variant.Ursu.911784
Endgamemalicious (high confidence)
SophosTroj/Qbot-FS
Trapminemalicious.high.ml.score
EmsisoftGen:Variant.Ursu.911784 (B)
SentinelOneDFI – Malicious PE
Antiy-AVLGrayWare/Win32.Kryptik.ehls
ArcabitTrojan.Ursu.DDE9A8
Acronissuspicious
VBA32BScope.TrojanRansom.Shade
MAXmalware (ai score=81)
Ad-AwareGen:Variant.Ursu.911784
MalwarebytesBackdoor.Qbot
ESET-NOD32a variant of Win32/GenKryptik.EMQL
RisingMalware.Heuristic!ET#84% (RDMK:cmRtazoalBZRT0pCk3PDFBo6KdB6)
eGambitPE.Heur.InvalidSig
FortinetW32/QBOT.CC!tr
BitDefenderThetaGen:NN.ZexaF.34128.NI1@aiOZdmai

How to remove Ursu.911784 (B) 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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The is an excellent way to deal with recognizing and removing threats – using Gridinsoft Anti-Malware. This program will scan your PC, find and neutralize all suspicious processes.2.

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 Ursu.911784 (B) 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 Ursu.911784 (B) you can always ask me in the comments for getting help.

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References

  1. GridinSoft Anti-Malware Review from HowToFix site: https://howtofix.guide/gridinsoft-anti-malware/
  2. More information about GridinSoft products: https://gridinsoft.com/comparison

About the author

Robert Bailey

I'm Robert Bailey, a passionate Security Engineer with a deep fascination for all things related to malware, reverse engineering, and white hat ethical hacking.

As a white hat hacker, I firmly believe in the power of ethical hacking to bolster security measures. By identifying vulnerabilities and providing solutions, I contribute to the proactive defense of digital infrastructures.

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