BScope.Backdoor.Zegost

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

What is BScope.Backdoor.Zegost infection?

In this article you will certainly discover regarding the meaning of BScope.Backdoor.Zegost and also its adverse effect on your computer. Such ransomware are a type of malware that is elaborated by online frauds to require paying the ransom money by a sufferer.

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Most of the cases, BScope.Backdoor.Zegost infection will advise its sufferers to launch funds transfer for the objective of counteracting the amendments that the Trojan infection has actually introduced to the sufferer’s gadget.

BScope.Backdoor.Zegost Summary

These adjustments can be as adheres to:

  • Attempts to connect to a dead IP:Port (3 unique times);
  • A process attempted to delay the analysis task.;
  • 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.
  • Unconventionial language used in binary resources: Chinese (Simplified);
  • The binary likely contains encrypted or compressed data. In this case, encryption is a way of hiding virus’ code from antiviruses and virus’ analysts.
  • Deletes its original binary from disk;
  • Attempts to repeatedly call a single API many times in order to delay analysis time. This significantly complicates the work of the virus analyzer. Typical malware tactics!
  • 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.
  • Creates a copy of itself;
  • Created a service that was not started;
  • Ciphering the records found on the victim’s hard drive — so the victim can no more use the information;
  • 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
kall.f3322.org Ransom:Win32/PornoBlocker.d8cc1898
yes.92ddos.com Ransom:Win32/PornoBlocker.d8cc1898
ym.usuhome.com Ransom:Win32/PornoBlocker.d8cc1898

BScope.Backdoor.Zegost

The most typical channels whereby BScope.Backdoor.Zegost Trojans are infused are:

  • By ways of phishing emails;
  • As a repercussion of individual winding up on a resource that holds a destructive software;

As quickly as the Trojan is efficiently infused, it will either cipher the information on the sufferer’s PC or prevent the tool from functioning in an appropriate manner – while also positioning a ransom note that mentions the need for the victims to impact the repayment for the function of decrypting the records or recovering the data system back to the initial condition. In the majority of instances, the ransom money note will turn up when the customer reboots the COMPUTER after the system has currently been harmed.

BScope.Backdoor.Zegost circulation channels.

In numerous corners of the world, BScope.Backdoor.Zegost grows by leaps as well as bounds. However, the ransom notes and also techniques of obtaining the ransom quantity may differ depending on specific neighborhood (local) setups. The ransom notes and also tricks of extorting the ransom quantity may differ depending on particular neighborhood (regional) settings.

Ransomware injection

For instance:

    Faulty informs concerning unlicensed software.

    In certain locations, the Trojans usually wrongfully report having actually discovered some unlicensed applications made it possible for on the target’s device. The sharp after that demands the user to pay the ransom money.

    Faulty statements regarding illegal material.

    In countries where software piracy is less popular, this method is not as effective for the cyber scams. Additionally, the BScope.Backdoor.Zegost popup alert may incorrectly claim to be deriving from a police institution and also will certainly report having situated child pornography or other unlawful information on the device.

    BScope.Backdoor.Zegost popup alert may wrongly assert to be obtaining from a legislation enforcement establishment and will certainly report having situated child porn or various other illegal information on the gadget. The alert will similarly contain a demand for the individual to pay the ransom.

Technical details

File Info:

crc32: C9508F89
md5: e67ee5649459df616dc6696ec0a4d136
name: E67EE5649459DF616DC6696EC0A4D136.mlw
sha1: 08bf95bbecf9dba5c758b0bcf90e96cf4fdd0081
sha256: f58dad5beb61d966d836bd1f37c1108b0fe129e761e58dc45b05e2eebbfa8568
sha512: f318ea69a3e36fe1c23cfb7ad4c24a938bdd9343bf1a68d6b5911624631771f88de004ee97f98cd8728ee98b7b60d1496176b057ca9907fe93f9ee8cd7ca020f
ssdeep: 384:uQ2V3FEtMqD2W4pNEoSA6l3BkIcsqSt+sACYrILNVl47vvxlL:lgG2XS33BkINVt+s5D47D
type: MS-DOS executable, MZ for MS-DOS

Version Info:

0: [No Data]

BScope.Backdoor.Zegost also known as:

GridinSoft Trojan.Ransom.Gen
Bkav W32.AIDetect.malware1
Elastic malicious (high confidence)
DrWeb Trojan.DownLoad3.24659
Cynet Malicious (score: 100)
CAT-QuickHeal TrojanAPT.LecnaCShip.MUE.Z4
Cylance Unsafe
Zillya Trojan.PornoBlocker.Win32.11612
Sangfor Trojan.Win32.Save.a
CrowdStrike win/malicious_confidence_100% (W)
Alibaba Ransom:Win32/PornoBlocker.d8cc1898
Cybereason malicious.49459d
Baidu Win32.Trojan.ServStart.ax
Symantec Backdoor.Nitol
ESET-NOD32 a variant of Win32/ServStart.I
APEX Malicious
Avast Win32:Dh-A [Heur]
ClamAV Win.Trojan.Generic-6297788-0
Kaspersky Trojan-Ransom.Win32.PornoBlocker.ejtx
BitDefender Gen:Heur.Mint.Zard.30
MicroWorld-eScan Gen:Heur.Mint.Zard.30
Ad-Aware Gen:Heur.Mint.Zard.30
Sophos ML/PE-A
Comodo TrojWare.Win32.Agent.PDSB@4q3i1w
BitDefenderTheta Gen:NN.ZexaF.34738.bmqaai2G2C
VIPRE Trojan.Win32.Nitol.b (v)
TrendMicro DDOS_NITOL.SMD
McAfee-GW-Edition BehavesLike.Win32.Generic.mc
FireEye Generic.mg.e67ee5649459df61
Emsisoft Gen:Heur.Mint.Zard.30 (B)
SentinelOne Static AI – Malicious PE
Jiangmin Trojan.Generic.bumtm
Avira TR/Crypt.ZPACK.Gen
Antiy-AVL Trojan/Generic.ASMalwS.30EC1F
Microsoft DDoS:Win32/Nitol.A
GData Gen:Heur.Mint.Zard.30
TACHYON Ransom/W32.PornoBlocker.20992.C
AhnLab-V3 Trojan/Win32.ServStart.C842219
Acronis suspicious
McAfee Artemis!E67EE5649459
MAX malware (ai score=86)
VBA32 BScope.Backdoor.Zegost
Panda Trj/Genetic.gen
TrendMicro-HouseCall DDOS_NITOL.SMD
Rising Backdoor.Overie!1.64BD (CLASSIC)
Yandex Trojan.GenAsa!0cRPrFAetoY
Ikarus DDoS.Win32.Nitol
MaxSecure Trojan.Malware.300983.susgen
Fortinet MalwThreat!E1E6IV
AVG Win32:Dh-A [Heur]
Paloalto generic.ml

How to remove BScope.Backdoor.Zegost 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 BScope.Backdoor.Zegost 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 BScope.Backdoor.Zegost 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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