Trojan:Win32/Miuref.R

Written by Robert Bailey

What is Trojan:Win32/Miuref.R infection?

In this article you will find about the interpretation of Trojan:Win32/Miuref.R and its adverse effect on your computer. Such ransomware are a kind of malware that is elaborated by online frauds to require paying the ransom money by a sufferer.

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In the majority of the instances, Trojan:Win32/Miuref.R virus will certainly advise its targets to launch funds move for the purpose of counteracting the amendments that the Trojan infection has actually presented to the sufferer’s device.

Trojan:Win32/Miuref.R Summary

These modifications can be as adheres to:

  • 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.
  • 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.

  • Checks the version of Bios, possibly for anti-virtualization;
  • Checks the CPU name from registry, possibly for anti-virtualization;
  • Creates a copy of itself;
  • Collects information to fingerprint the system. There are behavioral human characteristics that can be used to digitally identify a person to grant access to systems, devices, or data. Unlike passwords and verification codes, fingerprints are fundamental parts of user’s identities. Among the threats blocked on biometric data processing and storage systems is spyware, the malware used in phishing attacks (mostly spyware downloaders and droppers), ransomware, and Banking Trojans as posing the greatest danger.
  • Anomalous binary characteristics. This is a way of hiding virus’ code from antiviruses and virus’ analysts.
  • Ciphering the papers located on the victim’s hard drive — so the target can no more 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.

Trojan:Win32/Miuref.R

One of the most common networks through which Trojan:Win32/Miuref.R Ransomware are infused are:

  • By means of phishing e-mails;
  • As a repercussion of customer ending up on a source that hosts a destructive software application;

As quickly as the Trojan is efficiently injected, it will certainly either cipher the data on the target’s computer or avoid the device from working in a proper way – while likewise positioning a ransom note that points out the demand for the targets to impact the settlement for the purpose of decrypting the files or recovering the file system back to the first problem. In a lot of instances, the ransom money note will certainly turn up when the client restarts the PC after the system has already been damaged.

Trojan:Win32/Miuref.R distribution channels.

In different corners of the globe, Trojan:Win32/Miuref.R grows by leaps and bounds. Nevertheless, the ransom money notes and methods of extorting the ransom quantity might differ depending on specific neighborhood (regional) setups. The ransom money notes as well as tricks of extorting the ransom money amount may vary depending on particular neighborhood (local) setups.

Ransomware injection

For instance:

    Faulty signals about unlicensed software program.

    In particular locations, the Trojans usually wrongfully report having identified some unlicensed applications made it possible for on the target’s tool. The alert after that demands the user to pay the ransom money.

    Faulty statements concerning unlawful content.

    In countries where software application piracy is less preferred, this method is not as reliable for the cyber fraudulences. Alternatively, the Trojan:Win32/Miuref.R popup alert may falsely declare to be deriving from a law enforcement organization as well as will certainly report having located kid pornography or various other unlawful information on the tool.

    Trojan:Win32/Miuref.R popup alert might wrongly claim to be acquiring from a law enforcement organization and also will certainly report having situated youngster porn or other unlawful data on the tool. The alert will likewise have a requirement for the user to pay the ransom.

Technical details

File Info:

crc32: 9FA3F2D6
md5: e50b87a3df955172087d9f2f54360244
name: E50B87A3DF955172087D9F2F54360244.mlw
sha1: d4075672732b3f17fce3560e152ac347983be50f
sha256: ebc97fa86c562d7564a44511c003f31abf5a05ddab1317dd0a50c6215d0d66d7
sha512: 506c18df4e1ff6f41acd2d8d93b13c6adde784b428cc565ecc21a8394cca1f558952074888fb4595977a91d48fd21726da81a5b3086fcda5e93272904c5260f1
ssdeep: 3072:SAe+3aJpgWXTBusbhDD/IbjfftwnZk+OPZvqpB:xB+pgUxbJ/8jfftwZlGZv6B
type: PE32 executable (GUI) Intel 80386, for MS Windows, Nullsoft Installer self-extracting archive

Version Info:

0: [No Data]

Trojan:Win32/Miuref.R also known as:

GridinSoft Trojan.Ransom.Gen
MicroWorld-eScan Trojan.GenericKD.3658762
FireEye Trojan.GenericKD.3658762
ALYac Trojan.GenericKD.3658762
Cylance Unsafe
VIPRE Trojan.Win32.Generic!BT
AegisLab Trojan.NSIS.Cayu.4!c
Sangfor Malware
K7AntiVirus Trojan ( 0001140e1 )
Alibaba Trojan:Win32/Boaxxe.c2f1fec1
K7GW Trojan ( 0001140e1 )
Cybereason malicious.3df955
APEX Malicious
Avast Win32:Malware-gen
BitDefender Trojan.GenericKD.3658762
NANO-Antivirus Trojan.Win32.Inject.eiksbp
ViRobot Trojan.Win32.Z.Inject.149046.B
Ad-Aware Trojan.GenericKD.3658762
Sophos Mal/Generic-R + Mal/Miuref-L
Comodo Malware@#1wga8vnmw4s85
DrWeb Trojan.Boaxxe.491
TrendMicro Ransom_NSISRansom.SM001
Webroot W32.Trojan.Ransom
Avira TR/Dropper.Gen
MAX malware (ai score=100)
Kingsoft Win32.Troj.Gener.(kcloud)
Microsoft Trojan:Win32/Miuref.R
Arcabit Trojan.Generic.D37D40A
ZoneAlarm Trojan.NSIS.Cayu.eqo
GData Trojan.GenericKD.3658762
Cynet Malicious (score: 85)
AhnLab-V3 Trojan/Win32.Inject.C1640453
McAfee RDN/Generic.bdy
TACHYON Trojan/W32.Inject.149046
VBA32 Trojan.Inject
Malwarebytes Generic.Malware/Suspicious
Panda Trj/CI.A
ESET-NOD32 Win32/Boaxxe.EJ
TrendMicro-HouseCall Ransom_NSISRansom.SM001
Tencent Win32.Trojan.Inject.Auto
Ikarus Trojan.NSIS.Injector
Fortinet W32/Injector.IK!tr
AVG Win32:Malware-gen
Paloalto generic.ml
CrowdStrike win/malicious_confidence_100% (W)
Qihoo-360 Win32/Trojan.398

How to remove Trojan:Win32/Miuref.R 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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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.

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Press “Install” button.

GridinSoft Anti-Malware Install

Once installed, Anti-Malware will automatically run.

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Wait for the Anti-Malware scan to complete.

GridinSoft Anti-Malware will automatically start scanning your system for Trojan:Win32/Miuref.R 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.

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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/Miuref.R 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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