Bulz.166887 (B)

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

What is Bulz.166887 (B) infection?

In this post you will find concerning the definition of Bulz.166887 (B) as well as its unfavorable effect on your computer system. Such ransomware are a form of malware that is clarified by on the internet scams to require paying the ransom money by a target.

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Most of the instances, Bulz.166887 (B) infection will instruct its sufferers to initiate funds move for the purpose of counteracting the amendments that the Trojan infection has introduced to the sufferer’s device.

Bulz.166887 (B) Summary

These modifications can be as adheres to:

  • 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.
  • 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.
  • Anomalous binary characteristics. This is a way of hiding virus’ code from antiviruses and virus’ analysts.
  • Ciphering the files found on the target’s disk drive — so the sufferer can no more utilize the data;
  • Preventing regular access to the target’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
z.whorecord.xyzPolyRansom.Virus.FileInfector.DDS
a.tomx.xyzPolyRansom.Virus.FileInfector.DDS

Bulz.166887 (B)

The most typical channels whereby Bulz.166887 (B) Ransomware Trojans 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 individual winding up on a resource that hosts a malicious software;

As soon as the Trojan is effectively infused, it will either cipher the information on the victim’s PC or avoid the tool from working in an appropriate manner – while additionally positioning a ransom money note that mentions the need for the sufferers to impact the settlement for the objective of decrypting the documents or bring back the file system back to the preliminary problem. In the majority of circumstances, the ransom money note will certainly come up when the customer reboots the PC after the system has actually currently been damaged.

Bulz.166887 (B) distribution networks.

In different corners of the world, Bulz.166887 (B) expands by jumps as well as bounds. Nevertheless, the ransom notes as well as tricks of extorting the ransom money amount might vary depending upon particular local (local) settings. The ransom notes and also tricks of obtaining the ransom money amount may differ depending on specific local (regional) setups.

Ransomware injection

For instance:

    Faulty alerts regarding unlicensed software.

    In specific locations, the Trojans often wrongfully report having actually identified some unlicensed applications enabled on the target’s device. The alert after that demands the user to pay the ransom.

    Faulty declarations regarding illegal web content.

    In countries where software program piracy is less preferred, this technique is not as efficient for the cyber fraudulences. Alternatively, the Bulz.166887 (B) popup alert may incorrectly declare to be stemming from a police institution and also will report having located child porn or various other prohibited data on the tool.

    Bulz.166887 (B) popup alert might incorrectly declare to be deriving from a regulation enforcement establishment and will certainly report having situated kid porn or various other prohibited information on the device. The alert will in a similar way contain a demand for the customer to pay the ransom.

Technical details

File Info:

crc32: 4467DC8B
md5: b42eaae8672a5cbaa0c1037c6bd59534
name: B42EAAE8672A5CBAA0C1037C6BD59534.mlw
sha1: 8997c7bee1f45487c91b4e7dffccedddd955f231
sha256: c62425ec14265a21321ce1ca05b7bb9d07449108e2f26804d4dc2e2922591dd9
sha512: 1bab871ddab998b35009e7b28f85f8b061c2b48fc94846951d71b4c6705dcb0c65feeaac135a644a719019462faea9900a65a4e7fa06c3226105a0117290f27f
ssdeep: 192:mkA3FbmV7nlYJLLLTTSPCN2JhqziHcEcgQZ+2Dl:mkA1mmPLTjUJhZHcEtQZ+2B
type: PE32 executable (GUI) Intel 80386 Mono/.Net assembly, for MS Windows

Version Info:

Translation: 0x0000 0x04b0
LegalCopyright:
Assembly Version: 0.0.0.0
InternalName: ALISACA.jpg.exe
FileVersion: 0.0.0.0
CompanyName: EnFwUnoWr
ProductVersion: 0.0.0.0
FileDescription:
OriginalFilename: ALISACA.jpg.exe

Bulz.166887 (B) also known as:

GridinSoftTrojan.Ransom.Gen
Elasticmalicious (high confidence)
DrWebTrojan.Starter.7664
MicroWorld-eScanGen:Variant.Bulz.166887
FireEyeGeneric.mg.b42eaae8672a5cba
ALYacGen:Variant.Bulz.166887
CylanceUnsafe
VIPRETrojan.Win32.Generic!BT
AegisLabTrojan.MSIL.Starter.4!c
SangforTrojan.Win32.Save.a
K7AntiVirusTrojan ( 00528e2c1 )
BitDefenderGen:Variant.Bulz.166887
K7GWTrojan ( 00504add1 )
Cybereasonmalicious.8672a5
BitDefenderThetaGen:NN.ZemsilF.34590.am0@aqeUtno
CyrenW32/S-fc7c23f3!Eldorado
SymantecML.Attribute.HighConfidence
APEXMalicious
AvastWin32:TrojanX-gen [Trj]
KasperskyTrojan.MSIL.Starter.dx
AlibabaTrojan:MSIL/Starter.ccaeba47
NANO-AntivirusTrojan.Win32.Starter.fludxj
TencentMsil.Trojan.Starter.Pcsk
Ad-AwareGen:Variant.Bulz.166887
EmsisoftGen:Variant.Bulz.166887 (B)
ComodoTrojWare.MSIL.Starter.BKP@7ewwu8
F-SecureHeuristic.HEUR/AGEN.1124806
McAfee-GW-EditionBehavesLike.Win32.Generic.lt
SophosML/PE-A + Troj/MSIL-LIX
IkarusTrojan.MSIL.Starter
JiangminTrojan.MSIL.ptoh
WebrootW32.Trojan.Gen
AviraHEUR/AGEN.1124806
MAXmalware (ai score=86)
Antiy-AVLTrojan/MSIL.Starter
MicrosoftTrojan:MSIL/Launcher.A!MTB
ArcabitTrojan.Bulz.D28BE7
SUPERAntiSpywareBackdoor.RevengeRAT/Variant
ZoneAlarmTrojan.MSIL.Starter.dx
GDataGen:Variant.Bulz.166887
CynetMalicious (score: 100)
AhnLab-V3Trojan/Win32.Starter.R325577
McAfeeGenericRXBF-TJ!B42EAAE8672A
VBA32Trojan.MSIL.Starter
MalwarebytesPolyRansom.Virus.FileInfector.DDS
ESET-NOD32a variant of MSIL/Starter.BK
RisingTrojan.Starter!1.B6BB (CLOUD)
SentinelOneStatic AI – Malicious PE
MaxSecureTrojan.Malware.11308856.susgen
FortinetMSIL/Starter.BK!tr
AVGWin32:TrojanX-gen [Trj]
Paloaltogeneric.ml
CrowdStrikewin/malicious_confidence_90% (D)
Qihoo-360Win32/Virus.Starter.HwMARg4A

How to remove Bulz.166887 (B) 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

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 Bulz.166887 (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 Bulz.166887 (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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