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

What is VirTool:Win32/DelfInject infection?

In this short article you will locate regarding the definition of VirTool:Win32/DelfInject and also its adverse effect on your computer system. Such ransomware are a kind of malware that is clarified by on-line scams to require paying the ransom money by a target.

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Most of the cases, VirTool:Win32/DelfInject virus will certainly instruct its sufferers to launch funds transfer for the function of reducing the effects of the modifications that the Trojan infection has introduced to the target’s tool.

VirTool:Win32/DelfInject Summary

These alterations can be as complies with:

  • Injection (inter-process);
  • Injection (Process Hollowing);
  • 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 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.
  • HTTP traffic contains suspicious features which may be indicative of malware related traffic;
  • Performs some HTTP requests;
  • 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;
  • Executed a process and injected code into it, probably while unpacking;
  • 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 copy of itself;
  • Ciphering the files found on the victim’s hard disk drive — so the sufferer can no longer make use of the data;
  • Preventing routine access to the victim’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 Ransom:Win32/Blocker.b0c8ed53 Ransom:Win32/Blocker.b0c8ed53


One of the most regular networks through which VirTool:Win32/DelfInject are infused are:

  • By ways of phishing emails;
  • As a repercussion 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 data on the target’s PC or prevent the gadget from operating in a correct way – while also placing a ransom note that points out the demand for the targets to impact the payment for the purpose of decrypting the papers or recovering the data system back to the initial problem. In most instances, the ransom money note will certainly come up when the customer reboots the PC after the system has actually currently been damaged.

VirTool:Win32/DelfInject distribution channels.

In various corners of the world, VirTool:Win32/DelfInject grows by leaps as well as bounds. Nonetheless, the ransom money notes and also methods of obtaining the ransom money amount may vary depending upon certain local (local) setups. The ransom notes and techniques of obtaining the ransom money quantity might vary depending on specific neighborhood (local) setups.

Ransomware injection

For example:

    Faulty informs regarding unlicensed software program.

    In specific areas, the Trojans typically wrongfully report having detected some unlicensed applications allowed on the sufferer’s gadget. The sharp then demands the customer to pay the ransom money.

    Faulty statements concerning prohibited material.

    In nations where software piracy is much less popular, this method is not as efficient for the cyber fraudulences. Additionally, the VirTool:Win32/DelfInject popup alert may incorrectly assert to be stemming from a police organization and also will report having situated kid pornography or various other unlawful data on the tool.

    VirTool:Win32/DelfInject popup alert may incorrectly claim to be deriving from a regulation enforcement organization and will certainly report having located kid pornography or other prohibited data on the gadget. The alert will likewise have a need for the user to pay the ransom money.

Technical details

File Info:

crc32: 3C051F26
md5: 0de340ed01659ac9fca44d7726c8e7ec
name: 0DE340ED01659AC9FCA44D7726C8E7EC.mlw
sha1: 678b4e05af92257685f12461d1e75b61fd7d9e9e
sha256: 86df23978fe16a0d8c11737b9b902188f08ca94e9204dbd0283bf09f8a672de6
sha512: 40f246430d2a88b4f68ccbdd58c62d077203def9e25cb5a2bfbf7697772dc012316a5e00b02fe97c230cc515738f75cbd783b52fa0aefcc2c25a21fea3244dcd
ssdeep: 12288:UGZZDr2llFqZ63VH9NimwDTWRocFsr3ZeuSfm5v5nveEzk9/RQ5DqmXw/ZDb4/ee:xZv4B9NbMTWRoX3Uusm5RnveE0QG55iZ
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

0: [No Data]

VirTool:Win32/DelfInject also known as:

GridinSoft Trojan.Ransom.Gen
Bkav W32.AIDetect.malware1
K7AntiVirus Spyware ( 00276f081 )
Elastic malicious (high confidence)
DrWeb Trojan.MulDrop1.64533
Cynet Malicious (score: 100)
ALYac Gen:Trojan.Heur.8KW@tz0C13ki
Cylance Unsafe
Zillya Trojan.Buzus.Win32.69331
Sangfor Trojan.Win32.Save.a
CrowdStrike win/malicious_confidence_90% (W)
Alibaba Ransom:Win32/Blocker.b0c8ed53
K7GW Spyware ( 00276f081 )
Cybereason malicious.d01659
Symantec ML.Attribute.HighConfidence
ESET-NOD32 Win32/Spy.Swisyn.GY
APEX Malicious
Avast Win32:Delf-PYT [Trj]
ClamAV Win.Trojan.Agent-375905
Kaspersky Trojan-Ransom.Win32.Blocker.alvi
BitDefender Gen:Trojan.Heur.8KW@tz0C13ki
NANO-Antivirus Trojan.Win32.Buzus.dqoiv
MicroWorld-eScan Gen:Trojan.Heur.8KW@tz0C13ki
Tencent Malware.Win32.Gencirc.10ba2f18
Ad-Aware Gen:Trojan.Heur.8KW@tz0C13ki
Sophos Mal/Generic-S
Comodo Backdoor.Win32.Delf.~DP@1mio9l
BitDefenderTheta AI:Packer.2EE9C13D1C
VIPRE Trojan.Win32.Generic.pak!cobra
TrendMicro Ransom_Blocker.R002C0PE621
McAfee-GW-Edition BehavesLike.Win32.Fareit.dc
Emsisoft Gen:Trojan.Heur.8KW@tz0C13ki (B)
Jiangmin Trojan/Buzus.awwt
Webroot W32.Trojan.Gen
Avira DR/Delphi.Gen7
eGambit Unsafe.AI_Score_73%
Kingsoft Win32.HeurC.KVM007.a.(kcloud)
Microsoft VirTool:Win32/DelfInject
AegisLab Trojan.Win32.Buzus.lnay
GData Gen:Trojan.Heur.8KW@tz0C13ki
TACHYON Trojan/W32.DP-Buzus.991744
AhnLab-V3 Trojan/Win32.Banload.R12397
McAfee GenericRXHO-GL!0DE340ED0165
MAX malware (ai score=100)
VBA32 BScope.Trojan.Click
Malwarebytes PolyRansom.Virus.FileInfector.DDS
Panda Generic Malware
TrendMicro-HouseCall Ransom_Blocker.R002C0PE621
Rising Ransom.Blocker!8.12A (TFE:5:Vdd2DcfShdH)
Yandex TrojanSpy.Swisyn!tLovytKF/5c
Ikarus Virus.Win32.DelfInject
Fortinet W32/Injector.MOU!tr
AVG Win32:Delf-PYT [Trj]

How to remove VirTool:Win32/DelfInject 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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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 VirTool:Win32/DelfInject 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 VirTool:Win32/DelfInject you can always ask me in the comments for getting help.

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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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