Written by Robert Bailey

What is Troj/Ransom-FZK infection?

In this short article you will certainly locate regarding the meaning of Troj/Ransom-FZK and also its unfavorable effect on your computer. Such ransomware are a kind of malware that is specified by online fraudulences to require paying the ransom by a sufferer.

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GridinSoft Anti-Malware

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Most of the instances, Troj/Ransom-FZK infection will advise its targets to start funds move for the objective of counteracting the amendments that the Trojan infection has introduced to the target’s device.

Troj/Ransom-FZK Summary

These adjustments can be as follows:

  • Network activity detected but not expressed in API logs;
  • Ciphering the records found on the sufferer’s disk drive — so the victim can no longer utilize the information;
  • Preventing normal access to the sufferer’s workstation;


The most typical channels whereby Troj/Ransom-FZK Trojans are injected are:

  • By means of phishing emails;
  • As a repercussion of user ending up on a source that holds a harmful software;

As quickly as the Trojan is successfully infused, it will either cipher the data on the target’s PC or avoid the gadget from working in a proper way – while likewise placing a ransom money note that states the requirement for the targets to impact the payment for the function of decrypting the documents or restoring the data system back to the first problem. In most instances, the ransom money note will turn up when the customer restarts the COMPUTER after the system has actually already been harmed.

Troj/Ransom-FZK distribution channels.

In various corners of the globe, Troj/Ransom-FZK expands by leaps and bounds. Nonetheless, the ransom notes and also techniques of obtaining the ransom quantity may differ depending on certain neighborhood (local) setups. The ransom money notes and methods of obtaining the ransom money quantity may vary depending on particular regional (local) setups.

Ransomware injection

As an example:

    Faulty signals regarding unlicensed software.

    In certain locations, the Trojans typically wrongfully report having found some unlicensed applications enabled on the sufferer’s device. The sharp then demands the individual to pay the ransom.

    Faulty statements concerning prohibited web content.

    In countries where software piracy is much less preferred, this method is not as effective for the cyber fraudulences. Conversely, the Troj/Ransom-FZK popup alert may wrongly declare to be originating from a police institution and also will report having located child pornography or various other unlawful information on the gadget.

    Troj/Ransom-FZK popup alert might falsely assert to be deriving from a law enforcement establishment and also will certainly report having located kid porn or various other prohibited information on the gadget. The alert will similarly have a need for the user to pay the ransom.

Technical details

File Info:

crc32: 0191C3B9
md5: 41be5e2ba0663bda47ac42a38a319311
name: tmp775xl4n8
sha1: ae42c46c6b8a5a60c232665abd6c9bc469021512
sha256: 53806ba5c9b23a43ddbfa669798d46e715b55a5d88d3328c5af15ba7f26fbadd
sha512: c6ff33103611630dbcccc14a7ba39bd99aefb02f98ea857c6caa833e1d934193ebd2c3db58347fb929e17f4828f652fbaecdcbd8d139c1365b13fe572716bc25
ssdeep: 1536:WpLpWJ3wBxrghRt0OCfezhUwqasEzH31bplJDBs+:SpWyBkCjDe1bp9L
type: PE32 executable (GUI) Intel 80386 Mono/.Net assembly, for MS Windows

Version Info:

Translation: 0x0000 0x04b0
Assembly Version:
InternalName: Client-0.exe
OriginalFilename: Client-0.exe

Troj/Ransom-FZK also known as:

GridinSoft Trojan.Ransom.Gen
MicroWorld-eScan Trojan.GenericKD.33530721
CAT-QuickHeal Trojan.MsilFC.S12591643
ALYac Trojan.Ransom.Hakbit
Cylance Unsafe
Zillya Trojan.Filecoder.Win32.12811
Sangfor Malware
K7AntiVirus Trojan ( 0055ef9f1 )
Alibaba Trojan:MSIL/Filecoder.9347630f
K7GW Trojan ( 0055ef9f1 )
Cybereason malicious.c6b8a5
Invincea heuristic
Symantec Downloader
ESET-NOD32 a variant of MSIL/Filecoder.Thanos.A
APEX Malicious
GData Trojan.GenericKD.33530721
Kaspersky HEUR:Trojan.Win32.Generic
BitDefender Trojan.GenericKD.33530721
NANO-Antivirus Trojan.Win32.DelShad.hezami
ViRobot Trojan.Win32.S.Ransom.58880
Avast Win32:TrojanX-gen [Trj]
Tencent Win32.Trojan.Raas.Auto
Ad-Aware Trojan.GenericKD.33530721
Sophos Troj/Ransom-FZK
F-Secure Trojan.TR/Dropper.MSIL.Gen2
DrWeb Trojan.DownLoader33.14984
VIPRE Trojan.Win32.Generic!BT
TrendMicro TROJ_GEN.R011C0PCB20
McAfee-GW-Edition RDN/Ransom
Emsisoft Trojan.GenericKD.33530721 (B)
SentinelOne DFI – Malicious PE
Cyren W32/Trojan.ULRM-6678
Jiangmin Trojan.MSIL.ojet
Webroot W32.Malware.Gen
Avira TR/Dropper.MSIL.Gen2
eGambit Unsafe.AI_Score_83%
Endgame malicious (high confidence)
Arcabit Trojan.Generic.D1FFA361
AegisLab Trojan.MSIL.DelShad.4!c
ZoneAlarm HEUR:Trojan.MSIL.DelShad.gen
Microsoft Ransom:MSIL/Hakbit.SK!MTB
Cynet Malicious (score: 100)
AhnLab-V3 Trojan/Win32.RansomCrypt.R327981
McAfee RDN/Ransom
MAX malware (ai score=100)
VBA32 TScope.Trojan.MSIL
Malwarebytes Trojan.Injector
TrendMicro-HouseCall Ransom.MSIL.CRYPONY.SM
Rising Ransom.Hakbit!8.11A3B (CLOUD)
Yandex Trojan.Filecoder!Yy2lC1ZuBsM
Ikarus Trojan-Ransom.FileCrypter
MaxSecure Trojan.Malware.74133646.susgen
Fortinet MSIL/Filecoder.VL!tr.ransom
BitDefenderTheta Gen:NN.ZemsilF.34128.dm0@a0670bp
AVG Win32:TrojanX-gen [Trj]
Panda Trj/GdSda.A
CrowdStrike win/malicious_confidence_100% (W)
Qihoo-360 Generic/Trojan.f5a

How to remove Troj/Ransom-FZK 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

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 Troj/Ransom-FZK 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 Troj/Ransom-FZK 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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