Written by Robert Bailey

What is Trojan:Win32/Predator.GJ!rfn infection?

In this article you will certainly discover concerning the meaning of Trojan:Win32/Predator.GJ!rfn and also its negative impact on your computer system. Such ransomware are a kind of malware that is specified by online fraudulences to demand paying the ransom by a target.

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Most of the cases, Trojan:Win32/Predator.GJ!rfn ransomware will certainly advise its targets to start funds move for the purpose of neutralizing the modifications that the Trojan infection has presented to the target’s tool.

Trojan:Win32/Predator.GJ!rfn Summary

These modifications can be as follows:

  • Creates RWX memory;
  • Reads data out of its own binary image;
  • A process created a hidden window;
  • Network activity detected but not expressed in API logs;
  • Anomalous binary characteristics;
  • Ciphering the documents situated on the victim’s hard disk — so the sufferer can no more use the data;
  • Preventing normal accessibility to the victim’s workstation;

Related domains: Trojan-Ransom.Gryphon Trojan-Ransom.Gryphon


The most regular channels whereby Trojan:Win32/Predator.GJ!rfn Trojans are infused are:

  • By ways of phishing e-mails;
  • As a repercussion of customer ending up on a source that holds a malicious software program;

As quickly as the Trojan is efficiently injected, it will either cipher the information on the sufferer’s PC or prevent the gadget from working in a correct way – while likewise placing a ransom note that discusses the need for the targets to impact the settlement for the function of decrypting the files or recovering the data system back to the first condition. In most instances, the ransom note will show up when the client reboots the PC after the system has actually already been harmed.

Trojan:Win32/Predator.GJ!rfn distribution networks.

In different edges of the world, Trojan:Win32/Predator.GJ!rfn expands by jumps and also bounds. Nonetheless, the ransom money notes and also tricks of obtaining the ransom amount might differ depending upon particular regional (local) settings. The ransom notes as well as techniques of extorting the ransom amount may differ depending on certain neighborhood (local) settings.

Ransomware injection

For instance:

    Faulty alerts concerning unlicensed software program.

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

    Faulty declarations about illegal content.

    In nations where software piracy is much less preferred, this method is not as effective for the cyber fraudulences. Additionally, the Trojan:Win32/Predator.GJ!rfn popup alert might falsely assert to be originating from a law enforcement organization and will report having situated youngster porn or other unlawful data on the tool.

    Trojan:Win32/Predator.GJ!rfn popup alert may wrongly assert to be acquiring from a legislation enforcement organization as well as will report having situated kid porn or various other prohibited information on the tool. The alert will likewise consist of a demand for the user to pay the ransom.

Technical details

File Info:

crc32: C96DE9D6
md5: 3a94c5b0350d50bf1485156e75a82ded
name: 3A94C5B0350D50BF1485156E75A82DED.mlw
sha1: 782da73b0165597dace21d0fcf3bd5cf54716d2e
sha256: 6eb872c05e3839b491fc9515065fcb0eeb209b3981a1ee3e3140495f907db37c
sha512: 4944810f8bbfdbeda95cbede4389ebcf020dd2030aaf0bbfe4e393d9cc52511077fa00963039104b60c52ac3f1027a3e20a4b80dd44e6cbe13bc4e1028fad7fa
ssdeep: 1536:X04f1SMHjZ0k/tB1g//I0DuoxbxAHscqbCUvhN4+2YXgr9UxkrzyXGJpdcLk+o:9f1BDZ0kVB67Duw9AMcqbTNpM9Uxc2av
type: PE32 executable (GUI) Intel 80386, for MS Windows, Nullsoft Installer self-extracting archive

Version Info:

InternalName: Wextract
FileDescription: Win32 Cabinet Self-Extractor
FileVersion: 9.00.8112.16421 (WIN7_IE9_RTM.110308-0330)
CompanyName: Microsoft Corporation
Translation: 0x0409 0x04b0

Trojan:Win32/Predator.GJ!rfn also known as:

GridinSoft Trojan.Ransom.Gen
DrWeb Trojan.MulDrop15.61988
MicroWorld-eScan Trojan.GenericKD.35664969
CAT-QuickHeal Trojan.Generic
McAfee Artemis!3A94C5B0350D
Cylance Unsafe
VIPRE Trojan.Win32.Generic!BT
Sangfor Malware
K7AntiVirus Trojan ( 005747ab1 )
BitDefender Trojan.GenericKD.35664969
K7GW Trojan ( 005747ab1 )
Cybereason malicious.b01655
Cyren W32/Injector.ADO.gen!Eldorado
Symantec ML.Attribute.HighConfidence
APEX Malicious
Avast Win32:Trojan-gen
Kaspersky HEUR:Trojan.Win32.Generic
Alibaba Trojan:Win32/Predator.8a0afedf
ViRobot Trojan.Win32.C.Agent.92189
AegisLab Trojan.Win32.Generic.4!c
Ad-Aware Trojan.GenericKD.35664969
Sophos Mal/Generic-S
Comodo Malware@#1y0hvjaxhjf90
F-Secure Trojan.TR/Injector.plzci
TrendMicro TrojanSpy.Win32.PREDATOR.THLAEBO
Emsisoft Trojan.GenericKD.35664969 (B)
Ikarus Trojan-Ransom.Gryphon
Webroot W32.Trojan.Gen
Avira TR/Injector.plzci
Antiy-AVL Trojan/MSIL.Vasal
Microsoft Trojan:Win32/Predator.GJ!rfn
Gridinsoft Ransom.Win32.Filecoder.dd!s1
Arcabit Trojan.Generic.D2203449
ZoneAlarm HEUR:Trojan.Win32.Generic
GData Trojan.GenericKD.35664969
Cynet Malicious (score: 90)
AhnLab-V3 Malware/Win32.Generic.C4261848
ALYac Trojan.GenericKD.35664969
VBA32 Trojan.MulDrop
Panda Trj/CI.A
TrendMicro-HouseCall TrojanSpy.Win32.PREDATOR.THLAEBO
Rising Trojan.Injector/NSIS!1.BFBB (CLASSIC)
MAX malware (ai score=98)
AVG Win32:Trojan-gen
CrowdStrike win/malicious_confidence_70% (D)
Qihoo-360 Generic/HEUR/QVM42.3.D6E7.Malware.Gen

How to remove Trojan:Win32/Predator.GJ!rfn 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 Trojan:Win32/Predator.GJ!rfn 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 Trojan:Win32/Predator.GJ!rfn 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

Security Engineer. Interested in malware, reverse engineering, white ethical hacking. I like coding, travelling and bikes.

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