Win32/TrojanDownloader.Delf.DCJ

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

What is Win32/TrojanDownloader.Delf.DCJ infection?

In this short article you will certainly locate regarding the definition of Win32/TrojanDownloader.Delf.DCJ and also its negative effect on your computer. Such ransomware are a type of malware that is elaborated by on-line scams to demand paying the ransom money by a target.

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Most of the situations, Win32/TrojanDownloader.Delf.DCJ infection will advise its sufferers to initiate funds transfer for the objective of neutralizing the modifications that the Trojan infection has actually presented to the target’s gadget.

Win32/TrojanDownloader.Delf.DCJ Summary

These alterations can be as complies with:

  • 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.
  • Unconventionial language used in binary resources: Vietnamese;
  • The binary likely contains encrypted or compressed data. In this case, encryption is a way of hiding virus’ code from antiviruses and virus’ analysts.
  • 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 files located on the sufferer’s hard disk — so the victim can no more utilize the information;
  • Preventing regular 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.

Win32/TrojanDownloader.Delf.DCJ

One of the most normal networks through which Win32/TrojanDownloader.Delf.DCJ Ransomware Trojans are injected are:

  • By ways of phishing e-mails;
  • As an effect of customer winding up on a source that holds a destructive software;

As soon as the Trojan is efficiently injected, it will certainly either cipher the data on the target’s computer or protect against the tool from working in an appropriate manner – while likewise placing a ransom note that mentions the need for the sufferers to impact the payment for the function of decrypting the papers or restoring the file system back to the preliminary condition. In most instances, the ransom money note will show up when the client restarts the COMPUTER after the system has already been harmed.

Win32/TrojanDownloader.Delf.DCJ circulation networks.

In different edges of the world, Win32/TrojanDownloader.Delf.DCJ grows by jumps and bounds. However, the ransom money notes and techniques of obtaining the ransom money quantity might differ relying on particular neighborhood (local) settings. The ransom notes and also techniques of extorting the ransom quantity may vary depending on particular neighborhood (local) settings.

Ransomware injection

For instance:

    Faulty notifies about unlicensed software application.

    In specific locations, the Trojans usually wrongfully report having discovered some unlicensed applications enabled on the victim’s gadget. The alert then demands the individual to pay the ransom.

    Faulty declarations regarding illegal web content.

    In nations where software application piracy is much less preferred, this method is not as effective for the cyber frauds. Alternatively, the Win32/TrojanDownloader.Delf.DCJ popup alert might falsely declare to be stemming from a police institution as well as will report having situated child porn or other prohibited data on the gadget.

    Win32/TrojanDownloader.Delf.DCJ popup alert may incorrectly assert to be deriving from a regulation enforcement institution as well as will report having situated kid pornography or other prohibited data on the tool. The alert will in a similar way contain a need for the individual to pay the ransom money.

Technical details

File Info:

crc32: A7B7D19C
md5: 3477b4351e655fd9472728a95d461331
name: 3477B4351E655FD9472728A95D461331.mlw
sha1: a8212555fa93bdc24e23f06cd28f9cd684559635
sha256: 29c9884d02cba2c6ab0a72af878c9f1c2768d96b912f5847608fc040f5f98083
sha512: 4874561a84c6b04c7fc718a3caaf247a8a309630f6026fb039fcdd66ce8b97f29c66ec2f8646bd0c310ced3c2a2ff32c855bf07bb7000354365e98dc0ed23721
ssdeep: 12288:gZfbY6IbcKK04S+955Vy7XRVXCP0XbAfX4JxC/eKRKBT:gF8OKfKPcyeUfX4JxCy
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

LegalCopyright: TTTTTTTT992-2019. All rights reserved.
InternalName: TTTTTTTTetWal.exe
FileVersion: 10.7.TTTTTTTT79.0
CompanyName: TTTTTTTT
LegalTrademarks: TTTTTTTTtrademarks of ESET.
ProductName: TTTTTTTTalcurity
ProductVersion: 1TTTTTTTT2.1.34.0
FileDescription: eTTTTTTTTtWal
OriginalFilename: TTTTTTTTr.exe
Translation: 0x0409 0x04e4

Win32/TrojanDownloader.Delf.DCJ also known as:

GridinSoftTrojan.Ransom.Gen
BkavW32.AIDetectVM.malware1
DrWebTrojan.DownLoader36.26314
MicroWorld-eScanGen:Variant.Zusy.353921
FireEyeGeneric.mg.3477b4351e655fd9
McAfeeFareit-FZO!3477B4351E65
CylanceUnsafe
VIPRETrojan.Win32.Generic!BT
AegisLabTrojan.Win32.Blocker.j!c
SangforMalware
K7AntiVirusTrojan-Downloader ( 00570d4e1 )
BitDefenderGen:Variant.Zusy.353921
K7GWTrojan-Downloader ( 00570d4e1 )
CrowdStrikewin/malicious_confidence_60% (D)
BitDefenderThetaGen:NN.ZelphiF.34670.QG2@amo6hLcO
SymantecML.Attribute.HighConfidence
APEXMalicious
AvastWin32:RATX-gen [Trj]
KasperskyHEUR:Trojan-Ransom.Win32.Blocker.gen
AlibabaTrojanDownloader:Win32/Blocker.76533d28
ViRobotTrojan.Win32.Z.Zusy.701632
Ad-AwareGen:Variant.Zusy.353921
EmsisoftGen:Variant.Zusy.353921 (B)
F-SecureTrojan.TR/Dldr.Delf.udgyj
TrendMicroRansom_Blocker.R002C0PL920
McAfee-GW-EditionFareit-FZO!3477B4351E65
SophosMal/Generic-S
IkarusTrojan-Downloader.Win32.Delf
JiangminAdWare.Generic.kesv
AviraTR/Dldr.Delf.udgyj
KingsoftWin32.Troj.Undef.(kcloud)
MicrosoftTrojan:Win32/Ymacco.AA29
GridinsoftTrojan.Win32.Downloader.oa!s1
ArcabitTrojan.Zusy.D56681
ZoneAlarmHEUR:Trojan-Ransom.Win32.Blocker.gen
GDataWin32.Trojan-Downloader.DBatLoader.YA1ZNE
CynetMalicious (score: 100)
AhnLab-V3Trojan/Win32.Fareit.R357422
VBA32BScope.Trojan.Wacatac
MAXmalware (ai score=82)
MalwarebytesTrojan.Dropper
PandaTrj/CI.A
ESET-NOD32Win32/TrojanDownloader.Delf.DCJ
TrendMicro-HouseCallRansom_Blocker.R002C0PL920
eGambitPE.Heur.InvalidSig
FortinetW32/Delf.DCJ!tr
AVGWin32:RATX-gen [Trj]
Qihoo-360Win32/Trojan.Ransom.ed7

How to remove Win32/TrojanDownloader.Delf.DCJ ransomware?

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.DCJ 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.DCJ 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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