Win32/Injector.DNRN

What is Win32/Injector.DNRN infection?

In this post you will certainly find regarding the interpretation of Win32/Injector.DNRN and its negative influence on your computer. Such ransomware are a kind of malware that is clarified by on the internet frauds to demand paying the ransom money by a victim.

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Most of the situations, Win32/Injector.DNRN virus will certainly instruct its sufferers to start funds move for the objective of neutralizing the modifications that the Trojan infection has introduced to the victim’s device.

Win32/Injector.DNRN Summary

These modifications 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.
  • A process attempted to delay the analysis task.;
  • A process created a hidden window;
  • Uses Windows utilities for basic functionality;
  • Attempts to modify desktop wallpaper;
  • Executed a process and injected code into it, probably while unpacking;
  • Exhibits behavior characteristic of Cerber ransomware;
  • Attempts to execute a binary from a dead or sinkholed URL;
  • Writes a potential ransom message to disk;
  • Attempts to access Bitcoin/ALTCoin wallets;
  • 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 files located on the victim’s hard drive — so the sufferer can no longer use the data;
  • Preventing regular accessibility to the sufferer’s workstation;

Win32/Injector.DNRN

The most typical channels through which Win32/Injector.DNRN Ransomware Trojans are injected are:

  • By methods of phishing emails;
  • As an effect of customer ending up on a resource that holds a harmful software application;

As soon as the Trojan is effectively infused, it will either cipher the information on the sufferer’s computer or stop the device from operating in a correct way – while additionally putting a ransom money note that discusses the requirement for the targets to effect the settlement for the function of decrypting the records or recovering the documents system back to the preliminary condition. In a lot of instances, the ransom money note will certainly come up when the customer reboots the PC after the system has already been harmed.

Win32/Injector.DNRN circulation networks.

In various corners of the globe, Win32/Injector.DNRN grows by jumps and bounds. Nevertheless, the ransom notes and tricks of extorting the ransom money quantity might differ depending upon certain neighborhood (local) setups. The ransom money notes and also tricks of obtaining the ransom money quantity might differ depending on certain neighborhood (regional) settings.

Ransomware injection

As an example:

    Faulty informs about unlicensed software application.

    In particular areas, the Trojans often wrongfully report having identified some unlicensed applications allowed on the target’s device. The alert then demands the user to pay the ransom.

    Faulty statements about unlawful content.

    In nations where software program piracy is less popular, this technique is not as reliable for the cyber fraudulences. Alternatively, the Win32/Injector.DNRN popup alert may incorrectly declare to be stemming from a law enforcement establishment and will certainly report having located youngster pornography or various other illegal data on the device.

    Win32/Injector.DNRN popup alert might incorrectly claim to be acquiring from a legislation enforcement institution and also will certainly report having located child pornography or various other unlawful information on the device. The alert will likewise have a requirement for the individual to pay the ransom.

Technical details

File Info:

crc32: 7568CD31
md5: bb1a8b84f39cff0acfcb060f422a5f14
name: BB1A8B84F39CFF0ACFCB060F422A5F14.mlw
sha1: f492d2138a35e402b2c76a0efa60b045b37ba99c
sha256: 5a02e863812350400d6e39cb6ed5fe3a7e3a831499c4596fb381f34f9a4613c0
sha512: b8508265929dc55d2258f3a7419990069a3f78f0214dbb4780b61bb046f7c58e19fb805d26a8cb0a4a7704a1a4d722f16daf7b988655df45266ed860cccf87fc
ssdeep: 3072:+IdKk2yXqVfkZAmcR2gyexMmSfBfWGxBJjByHL0Z/bDozKmVjhDOwDCv96+o:UkbXqVMZaR2RBffj2LHumVov9M
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

Translation: 0x0409 0x04b0
LegalCopyright: Gentis Media Inc.
InternalName: Raik1
FileVersion: 3.02.0006
CompanyName: Appcelerator, inc.
ProductName: Heaventools Software
ProductVersion: 3.02.0006
OriginalFilename: Raik1.exe

Win32/Injector.DNRN also known as:

GridinSoft Trojan.Ransom.Gen
Bkav W32.AIDetect.malware1
Elastic malicious (high confidence)
DrWeb Trojan.Encoder.4691
Cynet Malicious (score: 100)
CAT-QuickHeal Ransom.Cerber.VB3
ALYac Trojan.Ransom.BOO
Cylance Unsafe
Zillya Trojan.VBKryjetor.Win32.3700
Sangfor Trojan.Win32.Save.a
CrowdStrike win/malicious_confidence_100% (W)
Alibaba Trojan:Win32/VBKryjetor.3fccd891
K7GW Trojan ( 0050b1981 )
K7AntiVirus Trojan ( 0050b1981 )
Cyren W32/Injector.KRJL-8469
Symantec Ransom.Cerber!g23
ESET-NOD32 a variant of Win32/Injector.DNRN
APEX Malicious
Avast Win32:Trojan-gen
ClamAV Win.Ransomware.Cerber-7532958-1
Kaspersky Trojan.Win32.VBKryjetor.akps
BitDefender Trojan.Ransom.BOO
NANO-Antivirus Trojan.Win32.VBKryjetor.enowxk
MicroWorld-eScan Trojan.Ransom.BOO
Tencent Malware.Win32.Gencirc.10bbb902
Ad-Aware Trojan.Ransom.BOO
Sophos ML/PE-A + Mal/FareitVB-M
Comodo Malware@#39ej97ggwfefo
BitDefenderTheta Gen:NN.ZevbaF.34628.zm1@aOEN1Sgi
VIPRE Trojan.Win32.Generic!BT
TrendMicro TrojanSpy.Win32.LOKI.SM.hp
McAfee-GW-Edition BehavesLike.Win32.Fareit.gm
FireEye Generic.mg.bb1a8b84f39cff0a
Emsisoft Trojan.Ransom.BOO (B)
SentinelOne Static AI – Malicious PE
Jiangmin Trojan.VBKryjetor.yyt
Avira HEUR/AGEN.1121806
eGambit Unsafe.AI_Score_99%
Microsoft Ransom:Win32/Cerber!rfn
AegisLab Trojan.Win32.Generic.4!c
GData Trojan.Ransom.BOO
TACHYON Trojan/W32.VB-VBKryjetor.410281.D
AhnLab-V3 Win-Trojan/VBKrypt.RP.X1764
McAfee Packed-KR!BB1A8B84F39C
MAX malware (ai score=100)
VBA32 Trojan.VBKryjetor
Panda Trj/GdSda.A
TrendMicro-HouseCall TrojanSpy.Win32.LOKI.SM.hp
Rising Ransom.Cerber!8.3058 (CLOUD)
Yandex Trojan.GenAsa!HCQWxq81GWo
Ikarus Trojan-Ransom.Agent
Fortinet W32/GenKryptik.AJNY!tr
AVG Win32:Trojan-gen
Qihoo-360 Win32/Trojan.c11

How to remove Win32/Injector.DNRN 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 Win32/Injector.DNRN 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 Win32/Injector.DNRN 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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