Ursu.911784

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

What is Ursu.911784 infection?

In this short article you will certainly find about the definition of Ursu.911784 and its adverse effect on your computer system. Such ransomware are a type of malware that is elaborated by on-line frauds to demand paying the ransom by a target.

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In the majority of the cases, Ursu.911784 ransomware will certainly instruct its targets to start funds move for the function of reducing the effects of the modifications that the Trojan infection has introduced to the target’s device.

Ursu.911784 Summary

These alterations can be as follows:

  • 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);
  • Attempts to connect to a dead IP:Port (2 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.
  • Possible date expiration check, exits too soon after checking local time;
  • Mimics the system’s user agent string for its own requests;
  • 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;
  • 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 documents found on the victim’s hard disk drive — so the sufferer can no longer make use of the data;
  • Preventing regular access 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.
Similar behavior
Related domains
www.ip-adress.comBScope.TrojanRansom.Shade

Ursu.911784

The most typical channels where Ursu.911784 are injected are:

  • By means of phishing e-mails;
  • As an effect of individual ending up on a source that holds a destructive software program;

As soon as the Trojan is efficiently injected, it will certainly either cipher the information on the sufferer’s PC or stop the gadget from functioning in a correct fashion – while also putting a ransom money note that mentions the requirement for the sufferers to impact the settlement for the purpose of decrypting the documents or recovering the documents system back to the first condition. In a lot of circumstances, the ransom money note will come up when the customer reboots the COMPUTER after the system has actually currently been damaged.

Ursu.911784 circulation networks.

In different edges of the globe, Ursu.911784 expands by leaps as well as bounds. Nonetheless, the ransom notes and techniques of obtaining the ransom amount may differ relying on particular regional (regional) setups. The ransom money notes as well as tricks of obtaining the ransom money amount might differ depending on particular local (local) settings.

Ransomware injection

As an example:

    Faulty informs concerning unlicensed software program.

    In particular areas, the Trojans commonly wrongfully report having spotted some unlicensed applications made it possible for on the sufferer’s gadget. The alert then requires the individual to pay the ransom money.

    Faulty statements about prohibited content.

    In nations where software application piracy is much less popular, this technique is not as reliable for the cyber frauds. Additionally, the Ursu.911784 popup alert may falsely assert to be stemming from a police organization and will report having situated kid pornography or various other prohibited data on the device.

    Ursu.911784 popup alert might wrongly claim to be obtaining from a legislation enforcement establishment as well as will report having located youngster pornography or other prohibited information on the device. The alert will in a similar way have a demand for the user to pay the ransom.

Technical details

File Info:

crc32: 68B2FB04
md5: f0ada8902fe8849ef433335d89353ff6
name: 88888.png
sha1: aebccd4889488b0d2dd60d67e06d780d54d4c70e
sha256: f45eede2739ed6922d708556fcd91ca74f164659e78b6bb8ea9bcf377ee0a4da
sha512: f8e03270c67d651a7ab8cdc884447bf65a924a5d79ce3086480a6e2d9dda8cb0f19a372ddf7c331321b225a7156129ba15e2288e5305cc2f250987d7bbf410c9
ssdeep: 12288:FlQB2wwLHqpVxT85LfHbRhco5QFuo+NNYkfgn6ggKE9B:G2wwTX5Ldhf5QUo+Nukfg93ET
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 also known as:

GridinSoftTrojan.Ransom.Gen
BkavW32.AIDetectVM.malwareB
MicroWorld-eScanGen:Variant.Ursu.911784
FireEyeGeneric.mg.f0ada8902fe8849e
McAfeeW32/PinkSbot-GW!F0ADA8902FE8
CylanceUnsafe
SangforMalware
BitDefenderGen:Variant.Ursu.911784
CrowdStrikewin/malicious_confidence_100% (D)
BitDefenderThetaGen:NN.ZexaF.34128.NI1@a87nyqki
GDataGen:Variant.Ursu.911784
RisingTrojan.Kryptik!1.C745 (CLASSIC)
Endgamemalicious (high confidence)
SophosTroj/Qbot-FS
Invinceaheuristic
Trapminemalicious.high.ml.score
Antiy-AVLGrayWare/Win32.Kryptik.ehls
MicrosoftTrojan:Win32/Wacatac.C!ml
Acronissuspicious
VBA32BScope.TrojanRansom.Shade
MAXmalware (ai score=88)
Ad-AwareGen:Variant.Ursu.911784
APEXMalicious
ESET-NOD32a variant of Win32/GenKryptik.EMQL
SentinelOneDFI – Malicious PE
eGambitPE.Heur.InvalidSig
FortinetW32/QBOT.CC!tr
Qihoo-360HEUR/QVM19.1.F7F6.Malware.Gen

How to remove Ursu.911784 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 GridinSoft1

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 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 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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