Ransom:Win32/Enestaller.E!rsm

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

What is Ransom:Win32/Enestaller.E!rsm infection?

In this short article you will certainly find regarding the definition of Ransom:Win32/Enestaller.E!rsm as well as its unfavorable effect on your computer system. Such ransomware are a form of malware that is clarified by on-line frauds to require paying the ransom money by a sufferer.

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In the majority of the situations, Ransom:Win32/Enestaller.E!rsm infection will certainly instruct its targets to start funds transfer for the objective of counteracting the modifications that the Trojan infection has introduced to the sufferer’s tool.

Ransom:Win32/Enestaller.E!rsm Summary

These alterations can be as complies with:

  • 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);
  • Compression (or decompression);
  • 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.

  • Uses Windows utilities for basic functionality;
  • Executed a process and injected code into it, probably while unpacking;
  • Attempts to identify installed AV products by installation directory;
  • Anomalous binary characteristics. This is a way of hiding virus’ code from antiviruses and virus’ analysts.
  • Ciphering the records found on the victim’s hard drive — so the target can no more make use of the information;
  • 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.

Ransom:Win32/Enestaller.E!rsm

The most typical channels where Ransom:Win32/Enestaller.E!rsm are infused are:

  • By ways of phishing e-mails;
  • As a repercussion of individual winding up on a resource that organizes a harmful software application;

As soon as the Trojan is efficiently injected, it will either cipher the information on the target’s computer or protect against the tool from functioning in an appropriate manner – while also positioning a ransom note that mentions the demand for the victims to effect the settlement for the function of decrypting the papers or bring back the data system back to the initial problem. In most instances, the ransom note will certainly come up when the customer restarts the COMPUTER after the system has already been damaged.

Ransom:Win32/Enestaller.E!rsm circulation networks.

In numerous corners of the world, Ransom:Win32/Enestaller.E!rsm grows by jumps and also bounds. Nevertheless, the ransom money notes as well as techniques of extorting the ransom amount might differ depending upon specific regional (local) setups. The ransom money notes and tricks of extorting the ransom amount may differ depending on specific neighborhood (regional) settings.

Ransomware injection

For example:

    Faulty signals about unlicensed software application.

    In particular locations, the Trojans frequently wrongfully report having actually found some unlicensed applications allowed on the target’s gadget. The sharp then requires the user to pay the ransom money.

    Faulty statements regarding prohibited material.

    In nations where software piracy is much less preferred, this technique is not as reliable for the cyber frauds. Additionally, the Ransom:Win32/Enestaller.E!rsm popup alert may wrongly claim to be originating from a police institution and also will report having located child pornography or various other unlawful information on the tool.

    Ransom:Win32/Enestaller.E!rsm popup alert might wrongly claim to be obtaining from a legislation enforcement institution and also will certainly report having located youngster porn or various other prohibited data on the gadget. The alert will likewise consist of a demand for the user to pay the ransom.

Technical details

File Info:

crc32: 0CF0D447
md5: e336e91497d0dffd1bd1680e838f26ed
name: E336E91497D0DFFD1BD1680E838F26ED.mlw
sha1: 51fd7039da5bb3740dedd13ef64a859fe9906452
sha256: 8aa2a57a25876e9f3bac12a18e9ae5ae94a0ecbdbc98561f6308aa54f516bcd9
sha512: 3710c7db525c464d50d2e4f5b469514ea050efc6abb46d867bbc73dbeeb97676f79057169ac077a972b7a50a6c7688ad9f658cb683b0fea49afcc6ab96bd3413
ssdeep: 12288:qntL6N2jm7HP6uuJaw/Q1JsqCOZmYIrFC2kyGRccVjpnbFPewyGj8e:msP7HP/K+qqCOKFycK9nbxeVGjF
type: PE32 executable (GUI) Intel 80386, for MS Windows, Nullsoft Installer self-extracting archive

Version Info:

0: [No Data]

Ransom:Win32/Enestaller.E!rsm also known as:

GridinSoft Trojan.Ransom.Gen
Bkav W32.AIDetect.malware2
K7AntiVirus Riskware ( 0040eff71 )
Elastic malicious (high confidence)
Cynet Malicious (score: 100)
ALYac Dropped:Trojan.GenericKD.4328377
Malwarebytes Generic.Malware/Suspicious
Zillya Trojan.Mekotio.Win32.829
Sangfor Ransom.Win32.Enestedel.A!rsm
CrowdStrike win/malicious_confidence_100% (W)
Alibaba Ransom:Win32/Enestedel.9e0d7dfc
K7GW Riskware ( 0040eff71 )
Cybereason malicious.497d0d
Cyren W32/Cerber.DXJZ-2544
Symantec Packed.NSISPacker!g5
ESET-NOD32 Win32/Spy.Mekotio.BL
APEX Malicious
Avast Win32:Malware-gen
Kaspersky HEUR:Trojan.Win32.Generic
BitDefender Dropped:Trojan.GenericKD.4328377
NANO-Antivirus Trojan.Nsis.Sod.eljbia
SUPERAntiSpyware Ransom.CryptoLocker/Variant
MicroWorld-eScan Dropped:Trojan.GenericKD.4328377
Tencent Nsis.Trojan.Sod.Ahny
Ad-Aware Dropped:Trojan.GenericKD.4328377
Sophos Mal/Generic-R + Troj/Banker-GSL
Comodo Malware@#2nyoetjonl241
F-Secure Heuristic.HEUR/AGEN.1109159
BitDefenderTheta Gen:NN.ZedlaF.34608.eu8@ay6GTfgi
VIPRE Trojan.Win32.Generic!BT
McAfee-GW-Edition BehavesLike.Win32.Dropper.gc
FireEye Generic.mg.e336e91497d0dffd
Emsisoft Dropped:Trojan.GenericKD.4328377 (B)
SentinelOne Static AI – Malicious PE
Avira HEUR/AGEN.1116923
Kingsoft Win32.Troj.Generic_a.a.(kcloud)
Microsoft Ransom:Win32/Enestaller.E!rsm
Arcabit Trojan.Generic.D420BB9
AegisLab Trojan.Win32.Generic.4!c
ZoneAlarm HEUR:Trojan.Win32.Generic
GData Dropped:Trojan.GenericKD.4328377
McAfee Artemis!E336E91497D0
MAX malware (ai score=81)
VBA32 Trojan.Sod
Panda Trj/CI.A
Rising Ransom.Enestedel!8.E513 (CLOUD)
Yandex Trojan.Injector!GC/rBqZdSsw
Ikarus Trojan.Dropper
Fortinet W32/Injector.DKZW!tr
AVG Win32:Malware-gen
Qihoo-360 Win32/Trojan.b64

How to remove Ransom:Win32/Enestaller.E!rsm 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 Ransom:Win32/Enestaller.E!rsm 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.E!rsm 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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