Win32/TrojanDownloader.Delf.DBL

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

What is Win32/TrojanDownloader.Delf.DBL infection?

In this post you will certainly discover about the meaning of Win32/TrojanDownloader.Delf.DBL and its adverse impact on your computer system. Such ransomware are a type of malware that is elaborated by on the internet scams to require paying the ransom by a victim.

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In the majority of the cases, Win32/TrojanDownloader.Delf.DBL virus will certainly advise its victims to start funds move for the purpose of reducing the effects of the modifications that the Trojan infection has presented to the target’s device.

Win32/TrojanDownloader.Delf.DBL Summary

These adjustments 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.
  • Presents an Authenticode digital signature;
  • 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.
  • Exhibits possible ransomware file modification behavior;
  • 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.
  • Anomalous binary characteristics. This is a way of hiding virus’ code from antiviruses and virus’ analysts.
  • Ciphering the documents located on the victim’s hard disk — so the target can no longer utilize the data;
  • 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.

Win32/TrojanDownloader.Delf.DBL

The most common networks where Win32/TrojanDownloader.Delf.DBL Trojans are infused are:

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

As soon as the Trojan is successfully injected, it will certainly either cipher the data on the target’s computer or avoid the device from working in a correct way – while likewise putting a ransom note that points out the need for the victims to effect the payment for the purpose of decrypting the papers or bring back the file system back to the preliminary condition. In a lot of circumstances, the ransom money note will show up when the customer reboots the PC after the system has actually already been damaged.

Win32/TrojanDownloader.Delf.DBL circulation channels.

In different edges of the world, Win32/TrojanDownloader.Delf.DBL grows by jumps and also bounds. Nevertheless, the ransom notes as well as techniques of obtaining the ransom money quantity might differ relying on certain local (regional) settings. The ransom notes and tricks of obtaining the ransom money quantity may differ depending on certain local (regional) setups.

Ransomware injection

As an example:

    Faulty notifies regarding unlicensed software program.

    In specific areas, the Trojans frequently wrongfully report having actually spotted some unlicensed applications enabled on the victim’s tool. The sharp after that demands the customer to pay the ransom money.

    Faulty statements concerning illegal material.

    In countries where software application piracy is less popular, this approach is not as effective for the cyber scams. Conversely, the Win32/TrojanDownloader.Delf.DBL popup alert might incorrectly claim to be stemming from a law enforcement establishment and also will certainly report having situated child pornography or various other unlawful data on the tool.

    Win32/TrojanDownloader.Delf.DBL popup alert may wrongly declare to be deriving from a legislation enforcement organization and also will certainly report having located kid porn or other unlawful data on the tool. The alert will similarly include a demand for the individual to pay the ransom.

Technical details

File Info:

crc32: B3DBA1C6
md5: 770eb6f1203b5ea38a48ca66b8ff0cd0
name: upload_file
sha1: 9c6b4aff25ca59d51f2ed432cd63608e369c9c63
sha256: 653bec7fa1c76e85cf77bc722a1bcef8e3f99d105b614709b63c86c211344ced
sha512: 155bb7ebe681e7980b2da397b90def2f449b8b822049e839083a612cd75f184991a641e84d1584452ad89483fad4db283ceb728c2c5326546a553e8a041cd69e
ssdeep: 12288:oY5m4Q9xEUOaAvkTnPBrKP20QQ+v40KnTPuQf5idn/zvCcXPVuClTeMGQwbC:oY5DQ5nAv8nk2lmqBXPmhC
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

0: [No Data]

Win32/TrojanDownloader.Delf.DBL also known as:

GridinSoft Trojan.Ransom.Gen
MicroWorld-eScan Trojan.GenericKD.35004783
FireEye Generic.mg.770eb6f1203b5ea3
ALYac Trojan.GenericKD.35004783
Cylance Unsafe
VIPRE Trojan.Win32.Generic!BT
K7AntiVirus Trojan-Downloader ( 0057210e1 )
BitDefender Trojan.GenericKD.35004783
K7GW Trojan-Downloader ( 0057210e1 )
TrendMicro TrojanSpy.Win32.FAREIT.USMANJU20
Symantec Trojan.Gen.2
TrendMicro-HouseCall TrojanSpy.Win32.FAREIT.USMANJU20
Avast Win32:RATX-gen [Trj]
Kaspersky HEUR:Trojan-Ransom.Win32.Blocker.gen
Alibaba TrojanDownloader:Win32/Blocker.f770b062
Ad-Aware Trojan.GenericKD.35004783
Emsisoft Trojan.GenericKD.35004783 (B)
DrWeb Trojan.DownLoader35.11046
Invincea Mal/Generic-S
McAfee-GW-Edition Fareit-FZO!770EB6F1203B
Sophos Mal/Generic-S
Avira TR/Dldr.Delf.rultf
MAX malware (ai score=99)
Microsoft Trojan:Win32/Wacatac.C!ml
Gridinsoft Trojan.Win32.Packed.oa
Arcabit Trojan.Generic.D216216F
ZoneAlarm HEUR:Trojan-Ransom.Win32.Blocker.gen
GData Trojan.GenericKD.35004783
Cynet Malicious (score: 100)
McAfee Fareit-FZO!770EB6F1203B
VBA32 TScope.Trojan.Delf
Malwarebytes Trojan.MalPack.SMY.Generic
Panda Trj/GdSda.A
APEX Malicious
ESET-NOD32 Win32/TrojanDownloader.Delf.DBL
Tencent Malware.Win32.Gencirc.10ce0f9e
Ikarus Trojan.Inject
eGambit PE.Heur.InvalidSig
Fortinet W32/GenKryptik.DPIE!tr
BitDefenderTheta Gen:NN.ZelphiCO.34590.aHX@ae5bMQik
AVG Win32:RATX-gen [Trj]
Paloalto generic.ml
CrowdStrike win/malicious_confidence_80% (W)
Qihoo-360 Win32/Trojan.Ransom.ed7

How to remove Win32/TrojanDownloader.Delf.DBL 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.

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/TrojanDownloader.Delf.DBL 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/TrojanDownloader.Delf.DBL 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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