Backdoor:Win32/Zegost.BX
Daniel Foster
Updated on March 27, 2026
What is Backdoor:Win32/Zegost.BX infection?
In this article you will find regarding the meaning of Backdoor:Win32/Zegost.BX and also its negative effect on your computer. Such ransomware are a form of malware that is elaborated by online fraudulences to require paying the ransom by a sufferer.
In the majority of the situations, Backdoor:Win32/Zegost.BX infection will advise its targets to start funds transfer for the objective of neutralizing the modifications that the Trojan infection has actually introduced to the target’s gadget.
Backdoor:Win32/Zegost.BX Summary
These adjustments can be as follows:
- 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.
- A process attempted to delay the analysis task.;
- Expresses interest in specific running processes;
- 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.
- The binary likely contains encrypted or compressed data. In this case, encryption is a way of hiding virus’ code from antiviruses and virus’ analysts.
- 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 copy of itself;
- Ciphering the documents located on the target’s hard disk drive — so the target can no more use the information;
- Preventing normal 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.
| 21shequ.f3322.net | W32/Filecoder.FV!tr.ransom |
Backdoor:Win32/Zegost.BX
The most regular networks where Backdoor:Win32/Zegost.BX Ransomware 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 a consequence of user winding up on a resource that hosts a destructive software;
As quickly as the Trojan is effectively infused, it will either cipher the data on the victim’s PC or prevent the gadget from working in an appropriate fashion – while also placing a ransom money note that points out the need for the targets to impact the payment for the objective of decrypting the files or restoring the documents system back to the first problem. In most instances, the ransom money note will come up when the client reboots the COMPUTER after the system has actually already been harmed.
Backdoor:Win32/Zegost.BX circulation networks.
In various corners of the globe, Backdoor:Win32/Zegost.BX grows by jumps and bounds. However, the ransom notes as well as tricks of obtaining the ransom quantity might differ depending on specific local (regional) setups. The ransom money notes and techniques of extorting the ransom amount might vary depending on certain regional (regional) setups.
As an example:
Faulty notifies regarding unlicensed software application.
In certain areas, the Trojans frequently wrongfully report having actually detected some unlicensed applications enabled on the sufferer’s device. The sharp after that demands the customer to pay the ransom.
Faulty statements regarding unlawful material.
In countries where software piracy is less preferred, this method is not as effective for the cyber scams. Alternatively, the Backdoor:Win32/Zegost.BX popup alert might incorrectly declare to be stemming from a police institution and also will certainly report having located kid pornography or various other illegal information on the gadget.
Backdoor:Win32/Zegost.BX popup alert might incorrectly assert to be acquiring from a law enforcement organization and will report having located child pornography or various other illegal information on the gadget. The alert will in a similar way include a need for the customer to pay the ransom money.
Technical details
File Info:
crc32: FF03CDF2md5: da2803c74940ae530da1927ad706b899name: DA2803C74940AE530DA1927AD706B899.mlwsha1: 572c61b7cec7f3eb82d72e909b1d86922750fe49sha256: 44c19b2d92be7d477a75e9542c76efc923028a346b87521db00dd74852ab89b3sha512: 455b3273aa1125d393284ba41933d312052669a91f6f126a014bb6d8e238858c64c82152a4273263df255d43eb4ae36f24a70e392cd2dfb3bf7bb798a593ccb6ssdeep: 6144:nsbFwCV80icygeaWpcE0pwpMr0EMmHSDxMqB+sI6PPFA6G:wN+0ygeaWJ0ppSdCI3tPtype: PE32 executable (GUI) Intel 80386, for MS WindowsVersion Info:
0: [No Data]
Backdoor:Win32/Zegost.BX also known as:
| GridinSoft | Trojan.Ransom.Gen |
| Bkav | W32.AIDetect.malware1 |
| K7AntiVirus | Trojan ( 0052c8a31 ) |
| Elastic | malicious (high confidence) |
| DrWeb | Trojan.KeyLogger.17822 |
| Cynet | Malicious (score: 100) |
| Cylance | Unsafe |
| Sangfor | Trojan.Win32.Save.a |
| CrowdStrike | win/malicious_confidence_100% (W) |
| Alibaba | Backdoor:Win32/Jorik.d6cdc1b7 |
| K7GW | Trojan ( 0052c8a31 ) |
| Cybereason | malicious.7cec7f |
| Symantec | ML.Attribute.HighConfidence |
| ESET-NOD32 | a variant of Win32/Farfli.AOX |
| APEX | Malicious |
| Avast | Win32:Dropper-BKV [Trj] |
| ClamAV | Win.Dropper.Ramnit-7076131-0 |
| Kaspersky | Trojan.Win32.Jorik.Zegost.kbn |
| NANO-Antivirus | Virus.Win32.Gen-Crypt.ccnc |
| Tencent | Win32.Trojan.Jorik.Wqwm |
| Sophos | ML/PE-A + Mal/ResDro-B |
| BitDefenderTheta | Gen:NN.ZexaF.34690.tuW@a8yvlNj |
| VIPRE | Trojan-Dropper.Win32.Resdro.b (v) (not malicious) |
| McAfee-GW-Edition | BehavesLike.Win32.Generic.fc |
| FireEye | Generic.mg.da2803c74940ae53 |
| SentinelOne | Static AI – Malicious PE |
| Jiangmin | Trojan/Jorik.gpdi |
| Avira | HEUR/AGEN.1121023 |
| eGambit | Unsafe.AI_Score_56% |
| Microsoft | Backdoor:Win32/Zegost.BX |
| AhnLab-V3 | Trojan/Win32.Jorik.C258473 |
| Acronis | suspicious |
| McAfee | BackDoor-EXZ |
| VBA32 | BScope.Trojan.StartServ |
| Malwarebytes | Malware.AI.1895176982 |
| Rising | Trojan.Jorik!8.1968 (CLOUD) |
| Ikarus | Backdoor.Win32.Rbot |
| Fortinet | W32/Filecoder.FV!tr.ransom |
| AVG | Win32:Dropper-BKV [Trj] |
| Paloalto | generic.ml |
How to remove Backdoor:Win32/Zegost.BX virus?
There is no better way to recognize, remove and prevent PC threats than to use an anti-malware software from GridinSoft">2.
Download GridinSoft Anti-Malware.
You can download GridinSoft Anti-Malware by clicking the button below:
Download GridinSoft Anti-MalwareRun 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.
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.
Press “Install” button.
Once installed, Anti-Malware will automatically run.
Wait for the Anti-Malware scan to complete.
GridinSoft Anti-Malware will automatically start scanning your system for Backdoor:Win32/Zegost.BX 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.
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.
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 Anti-Malware
If the guide doesn’t help you to remove Backdoor:Win32/Zegost.BX you can always ask me in the comments for getting help.
References
- GridinSoft Anti-Malware Review from HowToFix site:
- More information about GridinSoft products:
