Brresmon.126

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

What is Brresmon.126 infection?

In this post you will certainly discover concerning the definition of Brresmon.126 and also its adverse effect on your computer. Such ransomware are a form of malware that is specified by on-line scams to require paying the ransom money by a victim.

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Most of the instances, Brresmon.126 infection will advise its sufferers to start funds move for the function of reducing the effects of the changes that the Trojan infection has introduced to the victim’s tool.

Brresmon.126 Summary

These alterations 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.
  • 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.

  • The binary likely contains encrypted or compressed data. In this case, encryption is a way of hiding virus’ code from antiviruses and virus’ analysts.
  • 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
  • Creates a hidden or system file. The malware adds the hidden attribute to every file and folder on your system, so it appears as if everything has been deleted from your hard drive.
  • 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.
  • Creates a copy of itself;
  • Anomalous binary characteristics. This is a way of hiding virus’ code from antiviruses and virus’ analysts.
  • Ciphering the papers found on the sufferer’s hard disk — so the victim can no longer use the data;
  • Preventing routine access to the victim’s workstation. This is the typical behavior of a virus called locker. It blocks access to the computer until the victim pays the ransom.

Brresmon.126

One of the most normal channels through which Brresmon.126 Trojans are infused are:

  • By means of phishing emails;
  • As a consequence of user winding up on a resource that hosts a destructive software program;

As quickly as the Trojan is successfully infused, it will certainly either cipher the information on the target’s computer or prevent the gadget from working in an appropriate manner – while likewise putting a ransom money note that points out the demand for the victims to effect the payment for the purpose of decrypting the documents or recovering the data system back to the first problem. In a lot of circumstances, the ransom note will certainly show up when the client reboots the PC after the system has currently been damaged.

Brresmon.126 distribution channels.

In various edges of the world, Brresmon.126 expands by jumps as well as bounds. Nonetheless, the ransom money notes as well as techniques of obtaining the ransom quantity might differ relying on specific neighborhood (regional) setups. The ransom notes as well as methods of extorting the ransom money amount might vary depending on certain local (regional) settings.

Ransomware injection

For example:

    Faulty alerts concerning unlicensed software application.

    In specific areas, the Trojans commonly wrongfully report having identified some unlicensed applications allowed on the sufferer’s tool. The alert then requires the customer to pay the ransom.

    Faulty statements concerning prohibited material.

    In countries where software program piracy is much less preferred, this approach is not as reliable for the cyber frauds. Conversely, the Brresmon.126 popup alert may wrongly declare to be deriving from a law enforcement institution and will report having situated kid porn or other unlawful data on the gadget.

    Brresmon.126 popup alert might incorrectly declare to be deriving from a legislation enforcement establishment and will report having situated youngster pornography or other illegal information on the tool. The alert will in a similar way have a need for the individual to pay the ransom money.

Technical details

File Info:

crc32: 395A7064
md5: bbb58246ad37bff603bd442d99feb1fc
name: BBB58246AD37BFF603BD442D99FEB1FC.mlw
sha1: 79cb035af2378ac3867c9c888c645524bd01ba9a
sha256: 50f866d57d8ddb56eded12e3f6b72ef510c30288daa8db7492aa8642621584f8
sha512: 433fbeed211e3127ea05fa38f9015e2f0c985a10c39121652514764f9cd69ac5b395257ff4c863742af320e25f758ae406687493bb31a45cce2e782310501431
ssdeep: 24576:nV70ditP8NmA6lmRF/S7NT5uGFOde+32AUlMmKrtQ:n18LRRW9FOIAOZl
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

Assembly Version: 2.6.8.8
LegalCopyright: Adobe Systems Incorporated (c). All rights reserved.
InternalName: Shed Irowprovider
FileVersion: 2.6.8.8
CompanyName: Adobe Systems Incorporated
FileDescription: Vietnam Iiuc Military Scholars
LegalTrademarks: Adobe Systems Incorporated (c). All rights reserved.
Comments: Vietnam Iiuc Military Scholars
ProductName: Shed Irowprovider
Languages: English
ProductVersion: 2.6.8.8
PrivateBuild: 2.6.8.8
OriginalFilename: Shed Irowprovider
Translation: 0x0409 0x04b0

Brresmon.126 also known as:

GridinSoft Trojan.Ransom.Gen
Bkav W32.AIDetect.malware1
Elastic malicious (high confidence)
MicroWorld-eScan Gen:Variant.Brresmon.126
FireEye Generic.mg.bbb58246ad37bff6
McAfee Artemis!BBB58246AD37
Cylance Unsafe
VIPRE Trojan.Win32.Generic!BT
Sangfor Trojan.Win32.Save.a
K7AntiVirus Trojan ( 004b8aa51 )
BitDefender Gen:Variant.Brresmon.126
K7GW Trojan ( 004b8aa51 )
Cybereason malicious.6ad37b
Symantec Ransom.Troldesh
APEX Malicious
Avast Win32:Rootkit-gen [Rtk]
Kaspersky Trojan-Ransom.Win32.Shade.mwd
Alibaba Ransom:Win32/Shade.191dc68c
NANO-Antivirus Trojan.Win32.Shade.eojnrh
Rising [email protected] (RDML:tgI1R8IwxYWAlDKjNXUOgA)
Ad-Aware Gen:Variant.Brresmon.126
Sophos Mal/Generic-S
Comodo Malware@#35vc5ipgcvk50
F-Secure Heuristic.HEUR/AGEN.1127212
DrWeb Trojan.Encoder.10355
Zillya Trojan.Shade.Win32.848
TrendMicro Ransom_CRYPSHED.F117E4
McAfee-GW-Edition Artemis!Trojan
Emsisoft Gen:Variant.Brresmon.126 (B)
SentinelOne Static AI – Malicious PE
Webroot W32.Malware.Gen
Avira HEUR/AGEN.1127212
Microsoft Ransom:Win32/Troldesh.A
Arcabit Trojan.Brresmon.126
ZoneAlarm Trojan-Ransom.Win32.Shade.mwd
GData Gen:Variant.Brresmon.126
Cynet Malicious (score: 90)
Acronis suspicious
VBA32 BScope.TrojanSpy.SpyEyes
ALYac Gen:Variant.Brresmon.126
MAX malware (ai score=100)
Malwarebytes MachineLearning/Anomalous.97%
Panda Trj/CI.A
ESET-NOD32 Win32/Filecoder.Shade.B
TrendMicro-HouseCall Ransom_CRYPSHED.F117E4
Tencent Win32.Trojan.Shade.Pitp
Yandex Trojan.Shade!U8z8rSIiN18
Ikarus Trojan-Ransom.TeslaCrypt
eGambit Unsafe.AI_Score_99%
Fortinet W32/Kryptik.DYTU!tr
BitDefenderTheta Gen:NN.ZexaF.34590.tr0@aG9iOsmi
AVG Win32:Rootkit-gen [Rtk]
Paloalto generic.ml
CrowdStrike win/malicious_confidence_100% (W)
Qihoo-360 Win32/Ransom.Shade.HgIASOgA

How to remove Brresmon.126 virus?

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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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 Brresmon.126 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 Brresmon.126 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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