Trojan:Win32/Nagram!rfn

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

What is Trojan:Win32/Nagram!rfn infection?

In this short article you will discover regarding the meaning of Trojan:Win32/Nagram!rfn as well as its unfavorable impact on your computer. Such ransomware are a kind of malware that is clarified by on-line fraudulences to demand paying the ransom by a victim.

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In the majority of the instances, Trojan:Win32/Nagram!rfn infection will certainly instruct its sufferers to initiate funds transfer for the function of neutralizing the changes that the Trojan infection has introduced to the sufferer’s tool.

Trojan:Win32/Nagram!rfn Summary

These modifications can be as follows:

  • Executable code extraction;
  • Creates RWX memory;
  • Reads data out of its own binary image;
  • Unconventionial language used in binary resources: Russian;
  • The binary likely contains encrypted or compressed data.;
  • The executable is compressed using UPX;
  • Deletes its original binary from disk;
  • Attempts to repeatedly call a single API many times in order to delay analysis time;
  • Network activity detected but not expressed in API logs;
  • Creates a copy of itself;
  • Ciphering the records found on the sufferer’s hard drive — so the target can no longer utilize the information;
  • Preventing routine access to the sufferer’s workstation;

Trojan:Win32/Nagram!rfn

The most normal networks through which Trojan:Win32/Nagram!rfn Ransomware are injected are:

  • By methods of phishing e-mails;
  • As an effect of customer winding up on a source that organizes a harmful software;

As quickly as the Trojan is effectively injected, it will certainly either cipher the data on the target’s computer or prevent the device from working in an appropriate manner – while additionally putting a ransom note that discusses the demand for the victims to impact the settlement for the purpose of decrypting the records or bring back the documents system back to the initial condition. In the majority of circumstances, the ransom note will turn up when the client reboots the COMPUTER after the system has already been damaged.

Trojan:Win32/Nagram!rfn circulation networks.

In numerous edges of the world, Trojan:Win32/Nagram!rfn expands by jumps as well as bounds. However, the ransom money notes as well as methods of extorting the ransom money amount might differ depending on specific local (regional) setups. The ransom notes and tricks of obtaining the ransom money amount might vary depending on certain regional (local) settings.

Ransomware injection

As an example:

    Faulty signals concerning unlicensed software application.

    In certain areas, the Trojans commonly wrongfully report having actually identified some unlicensed applications made it possible for on the target’s device. The alert then demands the customer to pay the ransom money.

    Faulty declarations about illegal material.

    In nations where software application piracy is less prominent, this method is not as efficient for the cyber fraudulences. Conversely, the Trojan:Win32/Nagram!rfn popup alert might incorrectly assert to be deriving from a police organization and also will report having situated kid porn or other unlawful data on the tool.

    Trojan:Win32/Nagram!rfn popup alert may incorrectly declare to be deriving from a regulation enforcement establishment and also will report having located child pornography or other unlawful data on the tool. The alert will likewise include a need for the customer to pay the ransom.

Technical details

File Info:

crc32: 1B70DD13
md5: 41e865f7c887b5986918a4fd739ab77b
name: 41E865F7C887B5986918A4FD739AB77B.mlw
sha1: 1da72186a3519fa49e2d07774c64118280a25035
sha256: cb0713000d515b7f4c88879b352ea7e4824fb0b4193979458c246ee22d49818e
sha512: 2ac08de71d130008590575ec4df6158a34153142db0600ba4f345e633702e1f5313b046b75754915cdeebf487e3256b31e3935f3aef86c0b7352429bb6613f90
ssdeep: 768:LNuwh8dS8IhMYBf+bApEtI62Outb66i/KwJzPRGd1rMWZ8quD2x:YiMSRmCAUqBZILZqCx
type: PE32 executable (GUI) Intel 80386, for MS Windows, UPX compressed

Version Info:

LegalCopyright: Copyright xa9 2002-2005 Four-F
InternalName: KmdManager
FileVersion: 1, 3, 0, 0
CompanyName: Four-F
Comments: Let you install, start, stop and uninstall device drivers
ProductName: Kernel Mode Driver Manager
ProductVersion: 1.3
FileDescription: Kernel Mode Driver Manager
OriginalFilename: KmdManager.exe
Translation: 0x0409 0x04b0

Trojan:Win32/Nagram!rfn also known as:

GridinSoft Trojan.Ransom.Gen
K7AntiVirus Trojan ( f1000f011 )
Lionic Trojan.Win32.PornoBlocker.j!c
Elastic malicious (high confidence)
DrWeb Trojan.Hottrend
Cynet Malicious (score: 100)
ALYac Gen:Heur.VIZ.1
Cylance Unsafe
Zillya Trojan.PornoBlocker.Win32.1193
Sangfor Trojan.Win32.Save.a
CrowdStrike win/malicious_confidence_70% (D)
Alibaba Trojan:Win32/Bamital.df725c95
K7GW Trojan ( f1000f011 )
Cybereason malicious.7c887b
Cyren W32/FakeAlert.LE.gen!Eldorado
Symantec Downloader.Lofog!gen6
ESET-NOD32 Win32/Bamital.FA
APEX Malicious
Avast Win32:Malware-gen
ClamAV Win.Trojan.Ransom-735
Kaspersky HEUR:Trojan.Win32.Generic
BitDefender Gen:Heur.VIZ.1
NANO-Antivirus Trojan.Win32.CodecPack.ihhld
ViRobot Trojan.Win32.A.PornoBlocker.57344.C[UPX]
MicroWorld-eScan Gen:Heur.VIZ.1
Tencent Win32.Trojan.Pornoblocker.yyy
Ad-Aware Gen:Heur.VIZ.1
Sophos Mal/Generic-R + Mal/FakeAV-IU
Comodo TrojWare.Win32.Trojan.XPACK.Gen@2ho5ur
BitDefenderTheta Gen:NN.ZexaF.34110.dmKfa0Z98npc
VIPRE Worm.Win32.Koobface.as (v)
TrendMicro TROJ_KRYPTK.SM11
McAfee-GW-Edition BehavesLike.Win32.PWSZbot.qc
FireEye Generic.mg.41e865f7c887b598
Emsisoft Gen:Heur.VIZ.1 (B)
SentinelOne Static AI – Malicious PE
Jiangmin Trojan/PornoBlocker.asr
Webroot W32.Malware.Gen
Avira TR/Dropper.Gen
eGambit Generic.Dropper
Antiy-AVL Trojan/Generic.ASMalwS.1940EE
Microsoft Trojan:Win32/Nagram!rfn
Arcabit Trojan.VIZ.1
SUPERAntiSpyware Trojan.Agent/Gen-FraudAgent
GData Gen:Heur.VIZ.1
AhnLab-V3 Trojan/Win32.CSon.R2951
McAfee Artemis!41E865F7C887
MAX malware (ai score=100)
VBA32 Trojan.SB.01742
Panda Bck/Qbot.AO
TrendMicro-HouseCall TROJ_KRYPTK.SM11
Yandex Trojan.GenAsa!fL2luu7WcZI
Ikarus IM-Worm.Win32.Yahos
MaxSecure Trojan.Malware.300983.susgen
Fortinet W32/Kryptik.WDN!tr
AVG Win32:Malware-gen

How to remove Trojan:Win32/Nagram!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/Nagram!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/Nagram!rfn 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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