Bulz.261134

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

What is Bulz.261134 infection?

In this post you will find about the interpretation of Bulz.261134 and its unfavorable impact on your computer system. Such ransomware are a form of malware that is clarified by on-line frauds to require paying the ransom money by a victim.

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Most of the cases, Bulz.261134 ransomware will certainly instruct its sufferers to initiate funds move for the function of counteracting the amendments that the Trojan infection has actually presented to the target’s tool.

Bulz.261134 Summary

These modifications 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.
  • 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.
  • Unconventionial language used in binary resources: Norwegian (Nynorsk);
  • The binary likely contains encrypted or compressed data. In this case, encryption is a way of hiding virus’ code from antiviruses and virus’ analysts.
  • The executable is compressed using UPX;
  • Network activity detected but not expressed in API logs. Microsoft built an API solution right into its Windows operating system it reveals network activity for all apps and programs that ran on the computer in the past 30-days. This malware hides network activity.
  • Attempts to identify installed AV products by registry key;
  • Anomalous binary characteristics. This is a way of hiding virus’ code from antiviruses and virus’ analysts.
  • Ciphering the papers situated on the sufferer’s hard drive — so the target can no more use the data;
  • Preventing normal 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.

Bulz.261134

One of the most normal channels whereby Bulz.261134 Trojans are infused are:

  • By ways of phishing e-mails;
  • As a consequence of individual ending up on a resource that hosts a harmful software;

As soon as the Trojan is effectively infused, it will either cipher the information on the target’s PC or prevent the tool from functioning in an appropriate manner – while also positioning a ransom money note that points out the need for the victims to impact the payment for the objective of decrypting the documents or bring back the documents system back to the initial condition. In many circumstances, the ransom note will show up when the customer restarts the PC after the system has currently been damaged.

Bulz.261134 distribution channels.

In various corners of the world, Bulz.261134 grows by jumps and bounds. Nevertheless, the ransom notes as well as techniques of obtaining the ransom money amount may differ depending on particular local (local) setups. The ransom notes and tricks of obtaining the ransom money amount might differ depending on certain local (regional) setups.

Ransomware injection

For instance:

    Faulty signals concerning unlicensed software application.

    In specific areas, the Trojans often wrongfully report having actually found some unlicensed applications made it possible for on the sufferer’s gadget. The alert after that demands the user to pay the ransom money.

    Faulty declarations regarding unlawful content.

    In countries where software piracy is much less prominent, this method is not as efficient for the cyber fraudulences. Conversely, the Bulz.261134 popup alert may falsely claim to be stemming from a law enforcement organization and will certainly report having situated kid porn or other unlawful information on the gadget.

    Bulz.261134 popup alert may falsely claim to be acquiring from a regulation enforcement organization and will report having situated child pornography or various other unlawful information on the tool. The alert will likewise include a demand for the individual to pay the ransom money.

Technical details

File Info:

crc32: D1768932
md5: 665f57a38e2512f831e1d34dd106c71f
name: 665F57A38E2512F831E1D34DD106C71F.mlw
sha1: 755dc2968489069fa5ece0add7d156cd391e5ab2
sha256: 84b21a4070e6ef40e69bf5fff3b959b9b955e19d887066ef6c8ec0a966679f24
sha512: d4535866145d51dca62d7d2a9b4b5ae5d4714d8d289f2efb3f31ee14a982a4b85a9f11be5dc6621b46151463665fb4418f13d1f2d4a47118fe2f36656987299b
ssdeep: 6144:vvPWWpFfHK9fyuwgxJfrQx7oripDDktsEJ+PRSZdBm:nuWpc9yuwgG7EiJkCLP6
type: PE32 executable (GUI) Intel 80386, for MS Windows, UPX compressed

Version Info:

InternalName: triwylbikes.acs
FileVers: 26.26.361
ProductionVersion: 1.0.22.25
Copyright: Copyrighz (C) 2020, padkafux
TranslationUsa: 0x8712 0x0081

Bulz.261134 also known as:

GridinSoftTrojan.Ransom.Gen
Elasticmalicious (high confidence)
FireEyeGeneric.mg.665f57a38e2512f8
CylanceUnsafe
AegisLabTrojan.Multi.Generic.4!c
SangforMalware
CrowdStrikewin/malicious_confidence_80% (D)
BitDefenderGen:Variant.Bulz.261134
SymantecML.Attribute.HighConfidence
APEXMalicious
KasperskyUDS:DangerousObject.Multi.Generic
Ad-AwareGen:Variant.Bulz.261134
EmsisoftGen:Variant.Bulz.261134 (B)
McAfee-GW-EditionBehavesLike.Win32.Trojan.dc
MicrosoftTrojan:Win32/Wacatac.D8!ml
GridinsoftRansom.Win32.Wacatac.oa
ZoneAlarmUDS:DangerousObject.Multi.Generic
GDataGen:Variant.Bulz.261134
CynetMalicious (score: 100)
Acronissuspicious
McAfeeGenericRXAA-AA!665F57A38E25
RisingTrojan.Kryptik!1.CFEE (CLASSIC)
SentinelOneStatic AI – Suspicious PE
FortinetW32/GenKryptik.ERHN!tr
BitDefenderThetaGen:NN.ZexaF.34688.omKfaCPe5EoG
Cybereasonmalicious.684890
Qihoo-360HEUR/QVM11.1.DF57.Malware.Gen

How to remove Bulz.261134 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 Bulz.261134 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

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If the guide doesn’t help you to remove Bulz.261134 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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