What is Trojan:Win32/Viknok!rfn infection?

In this short article you will locate about the definition of Trojan:Win32/Viknok!rfn as well as its negative influence on your computer system. Such ransomware are a form of malware that is specified by on-line scams to require paying the ransom money by a victim.

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Most of the instances, Trojan:Win32/Viknok!rfn infection will certainly advise its victims to initiate funds transfer for the purpose of neutralizing the modifications that the Trojan infection has actually introduced to the target’s tool.

Trojan:Win32/Viknok!rfn Summary

These alterations can be as adheres to:

  • A process created a hidden window;
  • The binary likely contains encrypted or compressed data. In this case, encryption is a way of hiding virus’ code from antiviruses and virus’ analysts.
  • Ciphering the files found on the sufferer’s hard disk — so the victim can no longer make use of the data;
  • Preventing normal accessibility 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.


The most regular channels whereby Trojan:Win32/Viknok!rfn Trojans are injected are:

  • By ways of phishing e-mails;
  • As a consequence of individual winding up on a resource that organizes a malicious software program;

As soon as the Trojan is efficiently injected, it will either cipher the data on the victim’s computer or prevent the device from operating in an appropriate fashion – while likewise placing a ransom money note that mentions the requirement for the sufferers to effect the settlement for the function of decrypting the records or restoring the documents system back to the initial problem. In the majority of instances, the ransom money note will certainly come up when the client reboots the COMPUTER after the system has actually already been harmed.

Trojan:Win32/Viknok!rfn distribution networks.

In numerous edges of the world, Trojan:Win32/Viknok!rfn grows by leaps and bounds. Nonetheless, the ransom money notes and techniques of extorting the ransom money quantity may vary depending on specific neighborhood (local) settings. The ransom money notes as well as methods of obtaining the ransom quantity may vary depending on particular local (local) setups.

Ransomware injection

For example:

    Faulty notifies about unlicensed software application.

    In specific locations, the Trojans typically wrongfully report having found some unlicensed applications allowed on the sufferer’s tool. The alert then requires the user to pay the ransom.

    Faulty declarations concerning prohibited material.

    In nations where software program piracy is less popular, this technique is not as effective for the cyber frauds. Additionally, the Trojan:Win32/Viknok!rfn popup alert may incorrectly claim to be stemming from a police organization and will certainly report having located youngster porn or other prohibited data on the tool.

    Trojan:Win32/Viknok!rfn popup alert may incorrectly declare to be obtaining from a regulation enforcement organization and will certainly report having situated youngster pornography or various other illegal data on the tool. The alert will similarly consist of a requirement for the individual to pay the ransom.

Technical details

File Info:

crc32: 6A804B62
md5: e15ee7ba06c2eeddbe7623db4a60d2c7
name: E15EE7BA06C2EEDDBE7623DB4A60D2C7.mlw
sha1: 2cb11299b7cefae3a6faa9e72dee8f887c21b403
sha256: 3d8a6ffb4a70cf8d3b21dea124b9dbacd9d0a41fd1c7a9b5eabf76a43ee243a8
sha512: faead6a5a9c76bf8981c5619d21379176b508bcb9190918c64218401b77775af04648149877efabbd1cfdb940b621d8240e4bbacc274634a52e7e057de1d739e
ssdeep: 6144:O7ZrmEAxC4iMwOo1dVnft/wl1rK50dI2Y2mMTeFwsyiEk+si/:vEAxC4iMGlnCKymvMCFEk+//
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

0: [No Data]

Trojan:Win32/Viknok!rfn also known as:

GridinSoft Trojan.Ransom.Gen
Bkav W32.AIDetect.malware1
K7AntiVirus Trojan ( 004f00a01 )
Elastic malicious (high confidence)
DrWeb Trojan.PWS.Stealer.18284
Cynet Malicious (score: 100)
ALYac Trojan.BrsecmonE.1
Cylance Unsafe
Zillya Trojan.Droma.Win32.1271
Sangfor Trojan.Win32.Save.a
CrowdStrike win/malicious_confidence_100% (W)
Alibaba Trojan:Win32/Droma.1fb2eecf
K7GW Trojan ( 004f00a01 )
Cybereason malicious.a06c2e
Symantec Infostealer.Limitail
ESET-NOD32 Win32/Delf.ATW
APEX Malicious
Avast Win32:Malware-gen
Kaspersky Trojan.Win32.Droma.aatt
BitDefender Trojan.BrsecmonE.1
NANO-Antivirus Trojan.Win32.Droma.ekshjq
MicroWorld-eScan Trojan.BrsecmonE.1
Tencent Win32.Trojan.Droma.Ahog
Ad-Aware Trojan.BrsecmonE.1
Comodo Malware@#1azjwv17hj2cr
BitDefenderTheta Gen:NN.ZexaF.34670.yqW@a4UeD5ci
VIPRE Trojan.Win32.Generic!BT
TrendMicro Ransom_HPLOCKY.SME1
McAfee-GW-Edition BehavesLike.Win32.Emotet.fc
Emsisoft Trojan.BrsecmonE.1 (B)
SentinelOne Static AI – Suspicious PE
Jiangmin Trojan.Droma.ti
Webroot W32.Adware.Gen
Avira TR/Crypt.XPACK.oaymu
eGambit Unsafe.AI_Score_99%
Kingsoft Win32.Troj.Gener.(kcloud)
Microsoft Trojan:Win32/Viknok!rfn
GData Trojan.BrsecmonE.1
Acronis suspicious
McAfee Generic.awr
MAX malware (ai score=100)
VBA32 Trojan.Droma
Malwarebytes MachineLearning/Anomalous.100%
Panda Trj/CI.A
TrendMicro-HouseCall Ransom_HPLOCKY.SME1
Rising Trojan.Delf!8.67 (CLOUD)
Yandex Trojan.Droma!phzDGuMEGbU
Ikarus Trojan.Win32.Delf
Fortinet W32/Malicious_Behavior.VEX
AVG Win32:Malware-gen
Qihoo-360 Win32/Trojan.Droma.HwoCBQ8C

How to remove Trojan:Win32/Viknok!rfn ransomware?

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/Viknok!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:

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If the guide doesn’t help you to remove Trojan:Win32/Viknok!rfn you can always ask me in the comments for getting help.

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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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