Win32/ExtenBro.BE

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

What is Win32/ExtenBro.BE infection?

In this article you will locate about the interpretation of Win32/ExtenBro.BE and its negative effect on your computer system. Such ransomware are a kind of malware that is elaborated by on-line fraudulences to require paying the ransom by a sufferer.

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In the majority of the situations, Win32/ExtenBro.BE ransomware will advise its sufferers to start funds transfer for the objective of reducing the effects of the amendments that the Trojan infection has actually presented to the target’s tool.

Win32/ExtenBro.BE Summary

These modifications can be as adheres to:

  • Attempts to connect to a dead IP:Port (1 unique times);
  • Repeatedly searches for a not-found process, may want to run with startbrowser=1 option;
  • 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.

  • 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.
  • Performs some HTTP requests;
  • Uses Windows utilities for basic functionality;
  • Sniffs keystrokes;
  • Installs an hook procedure to monitor for mouse events;
  • Network activity contains more than one unique useragent.;
  • 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
  • Attempts to modify proxy settings. This trick used for inject malware into connection between browser and server;
  • Creates a copy of itself;
  • Attempts to disable UAC.

    User Account Control or just UAC is a part of the Windows security system which prevents apps from making unwanted changes on PC.

    UAC includes several technologies 1:

    • File and egistry Virtualization;
    • Same-desktop Elevation;
    • Filtered Token;
    • User Interface Privilege Isolation;
    • Protected Mode Internet Explorer;
    • Installer Detection;
  • Ciphering the documents located on the sufferer’s disk drive — so the target can no longer make use of the information;
  • 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.
Similar behavior
Related domains
z.whorecord.xyzTrojanRansom.Blocker
www.filmgetir.comTrojanRansom.Blocker
ww1.filmgetir.comTrojanRansom.Blocker
a.tomx.xyzTrojanRansom.Blocker
www.filmver.comTrojanRansom.Blocker
www.pornokan.comTrojanRansom.Blocker

Win32/ExtenBro.BE

One of the most normal networks through which Win32/ExtenBro.BE Ransomware Trojans are infused are:

  • By methods of phishing emails;
  • As a consequence of individual winding up on a source that organizes a malicious software application;

As quickly as the Trojan is effectively injected, it will certainly either cipher the data on the victim’s PC or prevent the device from working in a correct fashion – while also placing a ransom money note that points out the requirement for the victims to impact the settlement for the objective of decrypting the documents or restoring the documents system back to the initial condition. In the majority of circumstances, the ransom money note will certainly come up when the client reboots the COMPUTER after the system has already been harmed.

Win32/ExtenBro.BE circulation networks.

In numerous edges of the world, Win32/ExtenBro.BE grows by jumps as well as bounds. However, the ransom money notes and methods of extorting the ransom amount might differ relying on certain neighborhood (local) settings. The ransom money notes and also techniques of obtaining the ransom money quantity may differ depending on specific local (regional) settings.

Ransomware injection

As an example:

    Faulty informs about unlicensed software program.

    In specific areas, the Trojans commonly wrongfully report having detected some unlicensed applications allowed on the target’s tool. The alert then demands the individual to pay the ransom money.

    Faulty statements about illegal content.

    In countries where software piracy is much less preferred, this technique is not as effective for the cyber frauds. Additionally, the Win32/ExtenBro.BE popup alert may falsely declare to be stemming from a law enforcement organization as well as will report having located child pornography or various other unlawful information on the gadget.

    Win32/ExtenBro.BE popup alert might falsely assert to be obtaining from a legislation enforcement organization and will report having located youngster porn or other prohibited data on the tool. The alert will similarly include a need for the individual to pay the ransom.

Technical details

File Info:

crc32: A36433CE
md5: 56acd55efebc63546d87c94970c6304b
name: 56ACD55EFEBC63546D87C94970C6304B.mlw
sha1: 8ba352d9986848e3755caac6b02681e7d5c069c3
sha256: 428edc14c12bb5c3b2da0e10115d8d0e15236adc57c3f3c9211d3bc40815446e
sha512: 269a40e376c711784e05efd919b164622dc24ab3b6497b9a72c1414164125fece6d51ef5d046609704d4de10c86a5f2f4260ec8a4554e8d7ced56f4c9a7ef7c1
ssdeep: 12288:6NIQAPGsAqY9IMVYd38sJdpQHitlY8Kf8fw6qQxNtI:nPGSY91VwNJcCTq87rI
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

LegalCopyright: Apple Inc.
FileDescription: Apple Inc. 9.1.2 Installation
FileVersion: 9.1.2
Comments:
CompanyName: Apple Inc.
Translation: 0x0409 0x04e4

Win32/ExtenBro.BE also known as:

GridinSoftTrojan.Ransom.Gen
K7AntiVirusTrojan ( 004c2c031 )
Elasticmalicious (high confidence)
DrWebTrojan.DownLoader13.16321
CynetMalicious (score: 99)
CAT-QuickHealTrojanRansom.Blocker
ALYacGen:Variant.Ransom.1994
CylanceUnsafe
SangforRansom.Win32.Blocker.kwrv
CrowdStrikewin/malicious_confidence_100% (W)
AlibabaTrojan:Win32/Blocker.d0fa50eb
K7GWTrojan ( 004c2c031 )
Cybereasonmalicious.efebc6
SymantecML.Attribute.HighConfidence
ESET-NOD32Win32/ExtenBro.BE
APEXMalicious
AvastWin32:Downloader-VYF [Trj]
KasperskyTrojan-Ransom.Win32.Blocker.kwrv
BitDefenderGen:Variant.Ransom.1994
NANO-AntivirusTrojan.Win32.Dwn.dsxnlt
ViRobotTrojan.Win32.S.Agent.678375
SUPERAntiSpywareTrojan.Agent/Gen-Downloader
MicroWorld-eScanGen:Variant.Ransom.1994
TencentMalware.Win32.Gencirc.114d5652
Ad-AwareGen:Variant.Ransom.1994
SophosMal/Generic-S
ComodoMalware@#3f6d4zoux9jzo
BitDefenderThetaGen:NN.ZexaF.34690.Pq3@a8HZaqli
VIPRETrojan.Win32.Generic!BT
TrendMicroTROJ_BPUSH.SM
McAfee-GW-EditionArtemis!Trojan
FireEyeGeneric.mg.56acd55efebc6354
EmsisoftGen:Variant.Ransom.1994 (B)
JiangminTrojan/Generic.befhx
WebrootW32.Rogue.Gen
AviraHEUR/AGEN.1106598
KingsoftWin32.Troj.Undef.(kcloud)
MicrosoftTrojan:Win32/Kilim.U
AegisLabTrojan.Win32.Generic.4!c
GDataGen:Variant.Ransom.1994
AhnLab-V3Trojan/Win32.Blocker.C742060
McAfeeArtemis!56ACD55EFEBC
MAXmalware (ai score=100)
VBA32BScope.TrojanRansom.Blocker
MalwarebytesTrojan.KBayi.FLA
PandaTrj/Genetic.gen
TrendMicro-HouseCallTROJ_BPUSH.SM
RisingRansom.Blocker!8.12A (CLOUD)
YandexTrojan.Agent!w+KF7mHh99E
IkarusTrojan.Win32.AHK
MaxSecureTrojan.Malware.121218.susgen
FortinetW32/Generic!tr
AVGWin32:Downloader-VYF [Trj]
Paloaltogeneric.ml

How to remove Win32/ExtenBro.BE 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 GridinSoft2

There is no better way to recognize, remove and prevent PC threats than to use an anti-malware software from GridinSoft3.

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/ExtenBro.BE 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/ExtenBro.BE you can always ask me in the comments for getting help.

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References

  1. Microsoft Ignite: How to disable User Account Control (UAC) on Windows Server
  2. GridinSoft Anti-Malware Review from HowToFix site: https://howtofix.guide/gridinsoft-anti-malware/
  3. 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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