Win32/Injector.DVHR

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

What is Win32/Injector.DVHR infection?

In this post you will certainly locate concerning the interpretation of Win32/Injector.DVHR and its unfavorable impact on your computer system. Such ransomware are a form of malware that is clarified by on-line frauds to demand paying the ransom by a victim.

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Most of the cases, Win32/Injector.DVHR ransomware will instruct its victims to launch funds move for the objective of reducing the effects of the amendments that the Trojan infection has actually presented to the sufferer’s gadget.

Win32/Injector.DVHR 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.
  • Performs some HTTP requests;
  • Unconventionial language used in binary resources: Czech;
  • The binary likely contains encrypted or compressed data. In this case, encryption is a way of hiding virus’ code from antiviruses and virus’ analysts.
  • Attempts to repeatedly call a single API many times in order to delay analysis time. This significantly complicates the work of the virus analyzer. Typical malware tactics!
  • 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
  • Exhibits possible ransomware file modification behavior;
  • 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.
  • Anomalous binary characteristics. This is a way of hiding virus’ code from antiviruses and virus’ analysts.
  • Ciphering the documents situated on the target’s hard drive — so the victim can no longer make use of the information;
  • Preventing normal 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.
Similar behavior
Related domains
z.whorecord.xyz Trojan.Ransom.GenericKD.12793378
a.tomx.xyz Trojan.Ransom.GenericKD.12793378
redirector.gvt1.com Trojan.Ransom.GenericKD.12793378
r3—sn-bpb5oxu-3c2k.gvt1.com Trojan.Ransom.GenericKD.12793378

Win32/Injector.DVHR

The most common networks where Win32/Injector.DVHR Ransomware are infused are:

  • By methods of phishing emails;
  • As an effect of user winding up on a resource that hosts a harmful software;

As quickly as the Trojan is successfully infused, it will either cipher the information on the target’s computer or protect against the device from functioning in a proper manner – while also putting a ransom note that discusses the need for the victims to effect the payment for the function of decrypting the files or recovering the documents system back to the initial condition. In many instances, the ransom note will certainly turn up when the customer reboots the COMPUTER after the system has actually currently been damaged.

Win32/Injector.DVHR circulation channels.

In numerous corners of the world, Win32/Injector.DVHR grows by jumps and also bounds. Nonetheless, the ransom money notes and techniques of extorting the ransom money amount may vary relying on certain local (local) settings. The ransom money notes as well as techniques of obtaining the ransom money quantity may differ depending on particular local (local) settings.

Ransomware injection

For instance:

    Faulty notifies regarding unlicensed software.

    In specific areas, the Trojans frequently wrongfully report having actually discovered some unlicensed applications made it possible for on the victim’s tool. The alert then demands the user to pay the ransom.

    Faulty statements regarding prohibited content.

    In nations where software application piracy is less popular, this approach is not as effective for the cyber frauds. Alternatively, the Win32/Injector.DVHR popup alert may incorrectly declare to be stemming from a law enforcement organization and also will report having situated kid pornography or various other prohibited information on the gadget.

    Win32/Injector.DVHR popup alert might falsely declare to be deriving from a regulation enforcement establishment as well as will certainly report having situated youngster porn or various other illegal information on the device. The alert will likewise contain a demand for the user to pay the ransom money.

Technical details

File Info:

crc32: E77011DF
md5: 5f49e4f46bd61835c409b20f6488e247
name: 5F49E4F46BD61835C409B20F6488E247.mlw
sha1: ff835a1efb5ab558f2cafa231df806675f5346ae
sha256: 6a0e7dbd0a7f4e4be1e4407440d1cbeb6b7cea3d908e7fcdc0997b7b7ea68689
sha512: 8044653e49106571814b916562c241e90865e7ca9a5642405183f9ac88d64d6207bd113ead09b93dfc296931c10f53e79ccf20445778b04d8084946d8e3499db
ssdeep: 6144:0JDxHUmoFMH8t9+4H6OeulkkzY3Un8itFXR21:0THUmooS+G6OLlkksy2
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

0: [No Data]

Win32/Injector.DVHR also known as:

GridinSoft Trojan.Ransom.Gen
Bkav W32.AIDetect.malware1
K7AntiVirus Trojan ( 0053305e1 )
Elastic malicious (high confidence)
ClamAV Win.Trojan.Emotet-6437192-0
CAT-QuickHeal Trojan.Chapak.ZZ5
ALYac Trojan.Ransom.GenericKD.12793378
Cylance Unsafe
Zillya Trojan.Reconyc.Win32.21370
CrowdStrike win/malicious_confidence_70% (D)
BitDefender Trojan.Ransom.GenericKD.12793378
K7GW Trojan ( 00524f2f1 )
Cybereason malicious.46bd61
BitDefenderTheta Gen:NN.ZexaF.34686.ouW@aeF15GaG
Cyren W32/S-cab1c03c!Eldorado
Symantec Downloader
ESET-NOD32 a variant of Win32/Injector.DVHR
APEX Malicious
Paloalto generic.ml
Cynet Malicious (score: 100)
Kaspersky HEUR:Trojan.Win32.Generic
NANO-Antivirus Trojan.Win32.Reconyc.exhoim
ViRobot Trojan.Win32.R.Agent.242176.D
MicroWorld-eScan Trojan.Ransom.GenericKD.12793378
Tencent Malware.Win32.Gencirc.114ce711
Ad-Aware Trojan.Ransom.GenericKD.12793378
Sophos Mal/Generic-S + Mal/Ransom-FN
Comodo Application.Win32.IStartSurf.PS@8c4m91
DrWeb Trojan.Encoder.24300
VIPRE Trojan.Win32.Generic!BT
TrendMicro Ransom_HPGANDCRAB.SMG2
McAfee-GW-Edition BehavesLike.Win32.Trojan.dh
FireEye Generic.mg.5f49e4f46bd61835
Emsisoft Trojan.Ransom.GenericKD.12793378 (B)
SentinelOne Static AI – Malicious PE
Jiangmin Trojan.Miner.azm
Avira HEUR/AGEN.1126869
eGambit Unsafe.AI_Score_99%
Microsoft Trojan:Win32/Gandcrab.GM!MTB
SUPERAntiSpyware Trojan.Agent/Gen-Kryptik
GData Trojan.Ransom.GenericKD.12793378
AhnLab-V3 Trojan/Win32.Magniber.R218668
Acronis suspicious
McAfee GenericRXDX-BB!5F49E4F46BD6
MAX malware (ai score=94)
VBA32 BScope.Trojan.Encoder
TrendMicro-HouseCall Ransom_HPGANDCRAB.SMG2
Rising Trojan.Crypto!8.364 (CLOUD)
Yandex Trojan.GenAsa!zZ4gn99RJ8k
Ikarus Virus.Win32.Obfuscator
Fortinet W32/Kryptik.GCBO!tr
Panda Trj/Genetic.gen

How to remove Win32/Injector.DVHR 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.DVHR 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.DVHR 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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