Backdoor.SpyNet

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

What is Backdoor.SpyNet infection?

In this short article you will discover concerning the interpretation of Backdoor.SpyNet and its unfavorable influence on your computer system. Such ransomware are a type of malware that is specified by on the internet frauds to require paying the ransom by a victim.

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Most of the cases, Backdoor.SpyNet infection will certainly advise its sufferers to start funds transfer for the function of counteracting the modifications that the Trojan infection has introduced to the victim’s tool.

Backdoor.SpyNet Summary

These adjustments 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.
  • Injection (inter-process);
  • Injection with CreateRemoteThread in a remote process;
  • 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.
  • 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.
  • Code injection with CreateRemoteThread in a remote process;
  • Deletes its original binary from disk;
  • Sniffs keystrokes;
  • 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;
  • 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 documents situated on the victim’s hard disk drive — so the sufferer can no more use the data;
  • Preventing regular access to the target’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
0kx.duckdns.org Trj/Ransom.AB

Backdoor.SpyNet

The most common networks through which Backdoor.SpyNet Trojans are injected are:

  • By means of phishing emails;
  • As a consequence of customer winding up on a resource that hosts a harmful software;

As quickly as the Trojan is successfully infused, it will certainly either cipher the data on the victim’s PC or prevent the gadget from working in an appropriate way – while likewise putting a ransom note that discusses the requirement for the victims to impact the settlement for the purpose of decrypting the documents or restoring the documents system back to the first problem. In a lot of instances, the ransom note will come up when the customer reboots the COMPUTER after the system has actually already been harmed.

Backdoor.SpyNet circulation channels.

In numerous edges of the globe, Backdoor.SpyNet expands by jumps and also bounds. Nevertheless, the ransom money notes as well as techniques of extorting the ransom money amount might vary relying on certain neighborhood (local) setups. The ransom money notes and also methods of obtaining the ransom amount may differ depending on particular local (local) setups.

Ransomware injection

As an example:

    Faulty alerts about unlicensed software.

    In specific areas, the Trojans typically wrongfully report having actually found some unlicensed applications made it possible for on the sufferer’s tool. The alert then demands the individual to pay the ransom money.

    Faulty declarations about unlawful web content.

    In countries where software application piracy is much less popular, this method is not as efficient for the cyber frauds. Conversely, the Backdoor.SpyNet popup alert might falsely declare to be stemming from a police establishment and also will report having located child pornography or various other prohibited information on the device.

    Backdoor.SpyNet popup alert might falsely claim to be obtaining from a law enforcement institution as well as will certainly report having located child porn or other illegal data on the device. The alert will in a similar way include a demand for the user to pay the ransom money.

Technical details

File Info:

crc32: 4E60761D
md5: 3808da149f697638f2d1991c05ce32cb
name: back2.exe
sha1: d7bb17c77dd8d8d5191a2548fdad5529ca311c68
sha256: d6b53af0ba548088f9ccad4f25d39d351ce9ea2e51e49905cdd75e18b857d84f
sha512: 266d354fed72a892c9d317673e0ca9390f73e0b78cad6b75344e7e9e1ea0f205660c2254a7a7f40da9c9bf7e6f07534702510b471fde87a2f13f83fd70fb05ee
ssdeep: 6144:/xJsGLnccoxDNT/xQphU+jrlgzfuzt91C9NDyWId98HhqbxtHGZ3:pJsGQc4h/xQp6+tqOYy9zo0w
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

0: [No Data]

Backdoor.SpyNet also known as:

GridinSoft Trojan.Ransom.Gen
MicroWorld-eScan Trojan.Agent.BKQM
FireEye Generic.mg.3808da149f697638
CAT-QuickHeal Worm.Rebhip.A8
McAfee Generic PWS.di
Malwarebytes Backdoor.SpyNet
VIPRE Worm.Win32.Rebhip.A (v)
K7AntiVirus Trojan ( 004b89cf1 )
BitDefender Trojan.Agent.BKQM
K7GW Trojan ( 004b89cf1 )
Cybereason malicious.49f697
TrendMicro TSPY_SPATET.SMT
Baidu Win32.Trojan.Agent.co
Cyren W32/Rebhip.A.gen!Eldorado
Symantec W32.Spyrat
TotalDefense Win32/Spyrat!generic
APEX Malicious
Paloalto generic.ml
ClamAV Win.Trojan.Agent-36200
GData Trojan.Agent.BKQM
Kaspersky Trojan.Win32.Reconyc.fxmt
Alibaba Worm:Win32/Reconyc.4289a400
NANO-Antivirus Trojan.Win32.Bublik.dofkrs
ViRobot Trojan.Win32.U.Agent.289280
Rising Worm.Rebhip!1.A338 (CLASSIC)
Ad-Aware Trojan.Agent.BKQM
Emsisoft Trojan.Agent.BKQM (B)
Comodo TrojWare.Win32.PSW.Delf.~JHN@1l9grm
F-Secure Backdoor:W32/Spyrat.A
DrWeb BackDoor.Cybergate.1
Zillya Trojan.Llac.Win32.3683
Invincea heuristic
McAfee-GW-Edition BehavesLike.Win32.Android.dc
Trapmine malicious.high.ml.score
CMC Trojan.Win32.Bublik!O
Sophos W32/Rebhip-AR
SentinelOne DFI – Malicious PE
F-Prot W32/Rebhip.A.gen!Eldorado
Jiangmin Trojan/Scar.lxo
Webroot Worm:Win32/Rebhip.A
Avira TR/Spy.Gen
Antiy-AVL Trojan/Win32.Bublik.vzq
Endgame malicious (high confidence)
Arcabit Trojan.Agent.BKQM
SUPERAntiSpyware Trojan.Agent/Gen-Rebhip
ZoneAlarm Trojan.Win32.Reconyc.fxmt
Microsoft TrojanSpy:Win32/Rebhip.A!upx
TACHYON Trojan/W32.DP-Scar.282112
AhnLab-V3 Trojan/Win32.Llac.R1845
Acronis suspicious
VBA32 Trojan.Bublik
ALYac Trojan.Agent.BKQM
MAX malware (ai score=87)
Cylance Unsafe
Panda Trj/Ransom.AB
Zoner Trojan.Win32.60048
ESET-NOD32 Win32/Spatet.I
TrendMicro-HouseCall TSPY_SPATET.SMT
Tencent Trojan.Win32.Bublik.vzq
Yandex Worm.DR.Rebhip.Gen
Ikarus Worm.Win32.Rebhip
eGambit RAT.CyberGate
Fortinet W32/Llac.GFU!tr
AVG Win32:AutoRun-CIN [Trj]
Avast Win32:AutoRun-CIN [Trj]
CrowdStrike win/malicious_confidence_100% (W)
Qihoo-360 Win32/Trojan.df4

How to remove Backdoor.SpyNet 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.SpyNet 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.SpyNet 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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