Backdoor:MSIL/Noancooe!rfn

What is Backdoor:MSIL/Noancooe!rfn infection?

In this post you will certainly locate regarding the definition of Backdoor:MSIL/Noancooe!rfn and also its negative influence on your computer system. Such ransomware are a type of malware that is specified by on-line fraudulences to require paying the ransom money by a target.

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Most of the situations, Backdoor:MSIL/Noancooe!rfn ransomware will advise its targets to start funds transfer for the function of counteracting the modifications that the Trojan infection has presented to the target’s device.

Backdoor:MSIL/Noancooe!rfn Summary

These adjustments 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.
  • A process attempted to delay the analysis task.;
  • 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.

  • A process created a hidden window;
  • Drops a binary and executes it. Trojan-Downloader installs itself to the system and waits until an Internet connection becomes available to connect to a remote server or website in order to download additional malware onto the infected computer.
  • The binary likely contains encrypted or compressed data. In this case, encryption is a way of hiding virus’ code from antiviruses and virus’ analysts.
  • Uses Windows utilities for basic functionality;
  • Attempts to remove evidence of file being downloaded from the Internet;
  • A process was set to shut the system down when terminated;
  • Installs itself for autorun at Windows startup. There is simple tactic using the Windows startup folder located at:
    C:\Users\[user-name]\AppData\Roaming\Microsoft\Windows\StartMenu\Programs\Startup. Shortcut links (.lnk extension) placed in this folder will cause Windows to launch the application each time [user-name] logs into Windows.

    The registry run keys perform the same action, and can be located in different locations:

    • HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\Run
    • HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run
    • HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\RunOnce
    • HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\RunOnce
  • Creates a hidden or system file. The malware adds the hidden attribute to every file and folder on your system, so it appears as if everything has been deleted from your hard drive.
  • Checks the presence of disk drives in the 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.
  • Uses suspicious command line tools or Windows utilities;
  • Ciphering the records located on the victim’s hard drive — so the target can no more utilize the data;
  • Preventing routine access 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.

Backdoor:MSIL/Noancooe!rfn

One of the most common channels whereby Backdoor:MSIL/Noancooe!rfn Ransomware are infused are:

  • By ways of phishing emails;
  • As an effect of individual ending up on a source that holds a malicious software program;

As quickly as the Trojan is successfully injected, it will either cipher the data on the victim’s computer or stop the tool from functioning in an appropriate manner – while likewise positioning a ransom money note that states the requirement for the victims to effect the payment for the objective of decrypting the files or recovering the file system back to the initial problem. In the majority of circumstances, the ransom note will certainly show up when the client restarts the COMPUTER after the system has actually currently been harmed.

Backdoor:MSIL/Noancooe!rfn circulation networks.

In different corners of the globe, Backdoor:MSIL/Noancooe!rfn expands by jumps and also bounds. Nevertheless, the ransom notes and also methods of extorting the ransom money quantity may differ depending on specific local (local) setups. The ransom notes and also methods of extorting the ransom money amount may vary depending on particular local (local) settings.

Ransomware injection

For instance:

    Faulty informs regarding unlicensed software.

    In specific locations, the Trojans frequently wrongfully report having detected some unlicensed applications enabled on the victim’s tool. The alert then requires the user to pay the ransom money.

    Faulty declarations concerning prohibited web content.

    In nations where software application piracy is much less preferred, this technique is not as reliable for the cyber fraudulences. Alternatively, the Backdoor:MSIL/Noancooe!rfn popup alert may incorrectly claim to be originating from a police institution as well as will certainly report having situated child porn or various other prohibited data on the tool.

    Backdoor:MSIL/Noancooe!rfn popup alert may incorrectly assert to be obtaining from a legislation enforcement establishment as well as will report having located kid porn or other illegal information on the device. The alert will in a similar way consist of a need for the user to pay the ransom.

Technical details

File Info:

crc32: FB34158D
md5: 06bfe96db3f1275480e429e76988aa87
name: 06BFE96DB3F1275480E429E76988AA87.mlw
sha1: 0fc0e878c3ac6ff4cf97d5f685fb8024d33d86fa
sha256: a6709d7ea06b3620622fc7329e6d6eaf50dea730133a4cec21fa68e976445f40
sha512: 8bced77f21e8c7b414c1ba2d33ae616ebcde510c6ab3657ebd129d70386131347865536316785474b240b771792dd416f9410df06859735595838ba5419508cf
ssdeep: 12288:02qbrSZjqMSe5zoR58oiHEFs0YPWELUgKsJsLMJhgqh:0bCZDSe5zmViHEw+2KsJ8ihgqh
type: PE32 executable (GUI) Intel 80386 Mono/.Net assembly, for MS Windows

Version Info:

LegalCopyright: License: MPL 2
InternalName:
FileVersion: 51.0.1
CompanyName: Mozilla Foundation
BuildID: 20170125094131
LegalTrademarks: Mozilla
Comments:
ProductName: Firefox
ProductVersion: 51.0.1
FileDescription: Firefox Software Updater
OriginalFilename: updater.exe
Translation: 0x0000 0x04b0

Backdoor:MSIL/Noancooe!rfn also known as:

GridinSoft Trojan.Ransom.Gen
K7AntiVirus Trojan ( 005067b41 )
Elastic malicious (high confidence)
DrWeb Trojan.DownLoader23.59794
Cynet Malicious (score: 85)
ALYac Gen:Variant.Ransom.Troldesh.9
Cylance Unsafe
Zillya Trojan.Blocker.Win32.37275
Sangfor Trojan.Win32.Save.a
CrowdStrike win/malicious_confidence_100% (W)
Alibaba Ransom:Win32/Blocker.5f7ef334
K7GW Trojan ( 005067b41 )
Cybereason malicious.db3f12
Symantec ML.Attribute.HighConfidence
ESET-NOD32 a variant of MSIL/Kryptik.IKN
APEX Malicious
Avast Win32:RansomX-gen [Ransom]
Kaspersky Trojan-Ransom.Win32.Blocker.jxkz
BitDefender Gen:Variant.Ransom.Troldesh.9
NANO-Antivirus Trojan.Win32.Blocker.hkbvdv
SUPERAntiSpyware Trojan.Agent/Gen-Kryptik
MicroWorld-eScan Gen:Variant.Ransom.Troldesh.9
Tencent Msil.Trojan.Kryptik.Glz
Ad-Aware Gen:Variant.Ransom.Troldesh.9
Sophos Mal/Generic-S
Comodo Malware@#1jkmegtslpeuq
BitDefenderTheta Gen:NN.ZemsilF.34670.an0@aGC5Y@f
VIPRE Trojan.Win32.Generic!BT
TrendMicro RANSOM_CRYPBLOCKER_GB28007F.UVPM
McAfee-GW-Edition GenericRXBA-LG!06BFE96DB3F1
FireEye Generic.mg.06bfe96db3f12754
Emsisoft Gen:Variant.Ransom.Troldesh.9 (B)
SentinelOne Static AI – Malicious PE
Jiangmin Trojan.Inject.xgk
Avira TR/AD.NETCryptor.cpqcd
eGambit Unsafe.AI_Score_78%
Microsoft Backdoor:MSIL/Noancooe!rfn
Arcabit Trojan.Ransom.Troldesh.9
GData Gen:Variant.Ransom.Troldesh.9
AhnLab-V3 Trojan/Win32.MSILKrypt.R210547
McAfee GenericRXBA-LG!06BFE96DB3F1
MAX malware (ai score=83)
VBA32 TScope.Trojan.MSIL
Malwarebytes Malware.AI.4180613913
Panda Trj/CI.A
TrendMicro-HouseCall RANSOM_CRYPBLOCKER_GB28007F.UVPM
Rising Ransom.Blocker!8.12A (CLOUD)
Yandex Trojan.Blocker!P1SjBReb4dc
Ikarus Trojan.MSIL.Crypt
MaxSecure Trojan.Malware.300983.susgen
Fortinet MSIL/Injector.RLB!tr
AVG Win32:RansomX-gen [Ransom]
Paloalto generic.ml
Qihoo-360 Win32/Ransom.Blocker.HgIASOQA

How to remove Backdoor:MSIL/Noancooe!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

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 Backdoor:MSIL/Noancooe!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 Backdoor:MSIL/Noancooe!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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