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

What is Backdoor.CyberGate infection?

In this post you will find about the definition of Backdoor.CyberGate and also its adverse effect on your computer. Such ransomware are a type of malware that is elaborated by online frauds to demand paying the ransom by a sufferer.

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Most of the situations, Backdoor.CyberGate virus will certainly instruct its sufferers to launch funds transfer for the purpose of counteracting the changes that the Trojan infection has introduced to the sufferer’s tool.

Backdoor.CyberGate Summary

These adjustments can be as adheres to:

  • 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.
  • Injection (inter-process);
  • Injection with CreateRemoteThread in a remote process;
  • Attempts to connect to a dead IP:Port (1 unique times);
  • 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;
  • The binary likely contains encrypted or compressed data. In this case, encryption is a way of hiding virus’ code from antiviruses and virus’ analysts.
  • The executable is compressed using UPX;
  • Uses Windows utilities for basic functionality;
  • Detects Sandboxie through the presence of a library;
  • Sniffs keystrokes;
  • Code injection with CreateRemoteThread in a remote process;
  • 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.
  • Checks for the presence of known devices from debuggers and forensic tools;
  • Creates a copy of itself;
  • Creates known SpyNet mutexes and/or registry changes.;
  • Anomalous binary characteristics. This is a way of hiding virus’ code from antiviruses and virus’ analysts.
  • Ciphering the papers situated on the target’s hard disk drive — so the target can no longer use the data;
  • Preventing routine 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.


The most regular networks through which Backdoor.CyberGate Trojans are injected are:

  • By means of phishing emails;
  • As a repercussion of user ending up on a source that hosts a malicious software program;

As soon as the Trojan is successfully infused, it will certainly either cipher the data on the victim’s PC or prevent the device from operating in an appropriate way – while likewise positioning a ransom note that discusses the need for the sufferers to effect the repayment for the objective of decrypting the records or bring back the data system back to the first problem. In the majority of instances, the ransom money note will show up when the customer restarts the COMPUTER after the system has actually currently been harmed.

Backdoor.CyberGate distribution networks.

In numerous edges of the globe, Backdoor.CyberGate expands by leaps as well as bounds. Nonetheless, the ransom notes and tricks of extorting the ransom money quantity might vary depending on specific local (regional) setups. The ransom notes as well as tricks of extorting the ransom money amount may differ depending on specific local (local) setups.

Ransomware injection

For example:

    Faulty informs regarding unlicensed software.

    In specific locations, the Trojans usually wrongfully report having actually spotted some unlicensed applications made it possible for on the sufferer’s device. The alert then demands the customer to pay the ransom.

    Faulty statements concerning prohibited web content.

    In nations where software piracy is much less prominent, this approach is not as effective for the cyber frauds. Additionally, the Backdoor.CyberGate popup alert may wrongly assert to be originating from a law enforcement establishment as well as will report having located youngster pornography or other unlawful data on the tool.

    Backdoor.CyberGate popup alert might wrongly assert to be acquiring from a regulation enforcement organization as well as will certainly report having located youngster porn or various other unlawful data on the device. The alert will in a similar way contain a need for the customer to pay the ransom money.

Technical details

File Info:

crc32: F4CB2A20
md5: c2a1ddaf7e05c6281e9044b6a0e5b0e5
name: server.exe
sha1: c4fc1dc275597d8b91a9310c1baf8370b929eefa
sha256: 6230ca767122c55b63369a5c83a5426756805f66712ce5f5e5fa2a9140030ee2
sha512: a5317ca5db7c0add4529e2f0a67d62b3fdb09e0b82d6ce59a5cb8ebc448f7fa194e0530bda1ab157f50e66d26502b044b9d95631bed6c8d26f847287be3edadd
ssdeep: 6144:7k4qmNz3QeLHBc7iRJOAzuoX+6nmAqlUhLJTB5J0Qr:A94LbjG748OoSLJH1
type: PE32 executable (GUI) Intel 80386, for MS Windows, UPX compressed

Version Info:

0: [No Data]

Backdoor.CyberGate also known as:

GridinSoft Trojan.Ransom.Gen
MicroWorld-eScan Generic.Rebhip.3F636FF2
CMC Trojan.Win32.Llac!O
CAT-QuickHeal Worm.Rebhip.Z.mue
McAfee Generic PWS.ld
Malwarebytes Backdoor.CyberGate
AegisLab Trojan.Win32.Llac.4!c
K7AntiVirus Trojan ( 00193f571 )
BitDefender Generic.Rebhip.3F636FF2
K7GW Trojan ( 00193f571 )
Cybereason malicious.f7e05c
F-Prot W32/Trojan2.JRCA
Symantec W32.Spyrat
TotalDefense Win32/Spyrat!generic
APEX Malicious
Avast Win32:Dropper-FJG [Trj]
ClamAV Win.Trojan.Agent-36136
GData Generic.Rebhip.3F636FF2
Kaspersky Trojan.Win32.Llac.lgnr
Alibaba Worm:Win32/Llac.2f702eef
NANO-Antivirus Trojan.Win32.Llac.crkzmz
ViRobot Trojan.Win32.Llac.297472[UPX]
Rising Worm.Rebhip!1.A338 (CLASSIC)
Ad-Aware Generic.Rebhip.3F636FF2
Sophos W32/Rebhip-AR
Comodo TrojWare.Win32.Llac.C@1lpak6
F-Secure Backdoor:W32/Spyrat.A
DrWeb BackDoor.Cybergate.1
Zillya Trojan.Llac.Win32.3684
Invincea heuristic
McAfee-GW-Edition BehavesLike.Win32.AdwareHotBar.dc
Emsisoft Generic.Rebhip.3F636FF2 (B)
Ikarus Trojan.Win32.Llac
Cyren W32/Rebhip.B.gen!Eldorado
Jiangmin Trojan/Llac.kzj
MaxSecure Trojan.W32.LLAC.BDM
Avira WORM/Rebhip.V
Antiy-AVL Trojan/Win32.Llac.bdm
Endgame malicious (moderate confidence)
Arcabit Generic.Rebhip.3F636FF2
SUPERAntiSpyware Worm.Rebhip
ZoneAlarm Trojan.Win32.Llac.lgnr
Microsoft TrojanSpy:Win32/Rebhip.A!upx
TACHYON Trojan/W32.DP-Llac.308224
AhnLab-V3 Trojan/Win32.Llac.R856
Acronis suspicious
VBA32 Trojan.Llac
ALYac Generic.Rebhip.3F636FF2
MAX malware (ai score=100)
Cylance Unsafe
Panda Trj/Ransom.AB
Zoner Trojan.Win32.60048
ESET-NOD32 Win32/Spatet.A
TrendMicro-HouseCall TSPY_SPATET.SMT
Tencent Trojan.Win32.Downloader.aat
Yandex Worm.DR.Rebhip.Gen
SentinelOne DFI – Malicious PE
eGambit RAT.CyberGate
Fortinet W32/Llac.GFU!tr
AVG Win32:Dropper-FJG [Trj]
CrowdStrike win/malicious_confidence_100% (W)
Qihoo-360 Win32/Worm.cd8

How to remove Backdoor.CyberGate virus?

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

The is an excellent way to deal with recognizing and removing threats – using Gridinsoft Anti-Malware. This program will scan your PC, find and neutralize all suspicious processes.2.

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 Backdoor.CyberGate 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 Backdoor.CyberGate you can always ask me in the comments for getting help.

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  1. GridinSoft Anti-Malware Review from HowToFix site:
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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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