Ransom:Win32/Enestaller.A!rfn

Written by Robert Bailey

What is Ransom:Win32/Enestaller.A!rfn infection?

In this article you will certainly discover regarding the interpretation of Ransom:Win32/Enestaller.A!rfn as well as its adverse effect on your computer system. Such ransomware are a kind of malware that is clarified by on the internet scams to demand paying the ransom money by a victim.

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Most of the instances, Ransom:Win32/Enestaller.A!rfn ransomware will advise its sufferers to launch funds move for the function of neutralizing the modifications that the Trojan infection has introduced to the victim’s device.

Ransom:Win32/Enestaller.A!rfn Summary

These adjustments can be as follows:

  • 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 (Process Hollowing);
  • 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.
  • Reads data out of its own binary image. The trick that allows the malware to read data out of your computer’s memory.

    Everything you run, type, or click on your computer goes through the memory. This includes passwords, bank account numbers, emails, and other confidential information. With this vulnerability, there is the potential for a malicious program to read that data.

  • Executed a process and injected code into it, probably while unpacking;
  • Network activity detected but not expressed in API logs. Microsoft built an API solution right into its Windows operating system it reveals network activity for all apps and programs that ran on the computer in the past 30-days. This malware hides network activity.
  • Creates a copy of itself;
  • Anomalous binary characteristics. This is a way of hiding virus’ code from antiviruses and virus’ analysts.
  • Ciphering the records located on the victim’s hard disk — so the victim can no more utilize the data;
  • Preventing regular accessibility to the target’s workstation;

Ransom:Win32/Enestaller.A!rfn

One of the most normal channels where Ransom:Win32/Enestaller.A!rfn are injected are:

  • By means of phishing e-mails;
  • As a consequence of customer ending up on a source that hosts a malicious software;

As soon as the Trojan is effectively infused, it will certainly either cipher the information on the victim’s PC or stop the gadget from operating in a correct fashion – while additionally putting a ransom money note that mentions the need for the targets to impact the repayment for the objective of decrypting the papers or recovering the data system back to the initial problem. In most instances, the ransom money note will certainly show up when the client restarts the COMPUTER after the system has actually currently been damaged.

Ransom:Win32/Enestaller.A!rfn circulation channels.

In numerous edges of the globe, Ransom:Win32/Enestaller.A!rfn expands by leaps as well as bounds. Nonetheless, the ransom notes and techniques of obtaining the ransom money quantity might vary relying on particular regional (regional) settings. The ransom money notes and also methods of obtaining the ransom quantity may differ depending on specific local (local) setups.

Ransomware injection

For instance:

    Faulty notifies regarding unlicensed software program.

    In specific locations, the Trojans usually wrongfully report having actually detected some unlicensed applications enabled on the target’s device. The sharp then demands the individual to pay the ransom money.

    Faulty declarations about unlawful content.

    In nations where software piracy is less prominent, this method is not as efficient for the cyber fraudulences. Conversely, the Ransom:Win32/Enestaller.A!rfn popup alert may falsely assert to be deriving from a law enforcement institution and will report having located youngster porn or other illegal information on the device.

    Ransom:Win32/Enestaller.A!rfn popup alert may incorrectly declare to be deriving from a regulation enforcement establishment and will certainly report having located kid pornography or various other prohibited data on the gadget. The alert will likewise consist of a requirement for the individual to pay the ransom money.

Technical details

File Info:

crc32: D2C8CFED
md5: b764777d5bb2edbb1075b5df302deeb7
name: B764777D5BB2EDBB1075B5DF302DEEB7.mlw
sha1: 6687cf66f8cf406a04677aacff48d53381af09af
sha256: dd85b1a1bbe078f6c94067242799f8ad7692ce9c3d4e2f8f29aec485af690839
sha512: d26fca991bff9018c17b36851aba9ceafca71365871ae3159257b132b0efb5aea3c240f4cec89f92708d1853d300c5d1620e84fc418376357dbf7679084e329c
ssdeep: 24576:560YbrV3f+HSZKvGcCX4nNft1jtFHNzWaM6tqv:ux3fs1xCXMN7jtJNzrM6E
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

0: [No Data]

Ransom:Win32/Enestaller.A!rfn also known as:

GridinSoft Trojan.Ransom.Gen
Elastic malicious (high confidence)
MicroWorld-eScan Trojan.NSIS.Androm.CM
McAfee Artemis!B764777D5BB2
Malwarebytes Generic.Trojan.Malicious.DDS
Sangfor Malware
K7AntiVirus Trojan ( 0055e3991 )
BitDefender Trojan.NSIS.Androm.CM
K7GW Trojan ( 0055e3991 )
Cybereason malicious.d5bb2e
APEX Malicious
Paloalto generic.ml
Cynet Malicious (score: 85)
Kaspersky HEUR:Trojan.Win32.Generic
NANO-Antivirus Trojan.Win32.Razy.evrppn
Tencent Win32.Trojan.Generic.Pfiy
Ad-Aware Trojan.NSIS.Androm.CM
Sophos Mal/Generic-R + Mal/Miuref-L
Comodo Malware@#1g4jtgaqiyb7z
F-Secure Trojan.TR/Injector.ymgea
VIPRE Trojan.Win32.Generic!BT
TrendMicro Mal_Cerber-NS3
McAfee-GW-Edition BehavesLike.Win32.Dropper.cc
FireEye Generic.mg.b764777d5bb2edbb
Emsisoft Trojan.NSIS.Androm.CM (B)
Avira HEUR/AGEN.1116923
Antiy-AVL Trojan/Win32.SGeneric
Microsoft Ransom:Win32/Enestaller.A!rfn
Arcabit Trojan.NSIS.Androm.CM
AegisLab Trojan.Win32.Generic.4!c
ZoneAlarm HEUR:Trojan-Ransom.Win32.Agent.gen
GData Trojan.NSIS.Androm.CM
ALYac Trojan.NSIS.Androm.CM
MAX malware (ai score=100)
Cylance Unsafe
Panda Trj/CI.A
ESET-NOD32 a variant of Win32/Injector.DIRU
TrendMicro-HouseCall Mal_Cerber-NS3
Rising Trojan.Generic@ML.88 (RDML:qiQp49m/H9QKxG7k9DO8WQ)
Fortinet W32/Injector.DJNE!tr
BitDefenderTheta Gen:NN.ZedlaF.34804.bu4@aiwRYbg
AVG Win32:Malware-gen
Avast Win32:Malware-gen
CrowdStrike win/malicious_confidence_100% (D)
Qihoo-360 Win32/Trojan.07b

How to remove Ransom:Win32/Enestaller.A!rfn ransomware?

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 Ransom:Win32/Enestaller.A!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 Ransom:Win32/Enestaller.A!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/products/

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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