Trojan.Win32.Delf

What is Trojan.Win32.Delf infection?

In this article you will certainly find about the meaning of Trojan.Win32.Delf and also its unfavorable influence on your computer system. Such ransomware are a form of malware that is elaborated by on-line fraudulences to demand paying the ransom money by a sufferer.

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Most of the situations, Trojan.Win32.Delf ransomware will instruct its victims to launch funds move for the purpose of neutralizing the modifications that the Trojan infection has presented to the target’s device.

Trojan.Win32.Delf Summary

These modifications 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.
  • 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.
  • Possible date expiration check, exits too soon after checking local time;
  • Reads data out of its own binary image. The trick that allows the malware to read data out of your computer’s memory.

    Everything you run, type, or click on your computer goes through the memory. This includes passwords, bank account numbers, emails, and other confidential information. With this vulnerability, there is the potential for a malicious program to read that data.

  • The executable is compressed using UPX;
  • Executed a very long command line or script command which may be indicative of chained commands or obfuscation;
  • A scripting utility was executed;
  • 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
  • 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.
  • Creates a copy of itself;
  • Ciphering the papers located on the sufferer’s disk drive — so the sufferer can no longer use the information;
  • Preventing routine accessibility 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 Ransomware-GPB!4CE1AD6DD794
a.tomx.xyz Ransomware-GPB!4CE1AD6DD794

Trojan.Win32.Delf

One of the most typical networks through which Trojan.Win32.Delf are infused are:

  • By ways of phishing emails;
  • As a repercussion of individual ending up on a resource that hosts a harmful software program;

As quickly as the Trojan is effectively injected, it will either cipher the information on the target’s computer or stop the device from working in a correct fashion – while also putting a ransom money note that discusses the requirement for the victims to effect the settlement for the purpose of decrypting the files or recovering the file system back to the first condition. In a lot of instances, the ransom money note will come up when the client reboots the PC after the system has actually currently been damaged.

Trojan.Win32.Delf distribution networks.

In different edges of the globe, Trojan.Win32.Delf expands by jumps and also bounds. Nonetheless, the ransom money notes as well as methods of extorting the ransom quantity may vary relying on certain local (local) setups. The ransom notes and techniques of obtaining the ransom amount might vary depending on specific regional (regional) setups.

Ransomware injection

For example:

    Faulty alerts about unlicensed software.

    In particular areas, the Trojans usually wrongfully report having found some unlicensed applications made it possible for on the victim’s tool. The alert then requires the user to pay the ransom.

    Faulty declarations regarding prohibited content.

    In nations where software piracy is much less preferred, this technique is not as efficient for the cyber fraudulences. Alternatively, the Trojan.Win32.Delf popup alert may incorrectly assert to be deriving from a law enforcement establishment as well as will certainly report having situated youngster porn or various other unlawful data on the gadget.

    Trojan.Win32.Delf popup alert may wrongly declare to be obtaining from a law enforcement establishment and will certainly report having located child porn or other prohibited data on the device. The alert will likewise contain a requirement for the customer to pay the ransom money.

Technical details

File Info:

crc32: 56D86C22
md5: 4ce1ad6dd794d9a9e457d5380b5da433
name: 4CE1AD6DD794D9A9E457D5380B5DA433.mlw
sha1: bf377a7f687c4a53abdb3ab17ec159e288dd0054
sha256: d605c2c59e68d677f32691cb6fa004c37c4a139f54d578ca0bff4acb759677bb
sha512: ca735ebd18bee0462d8223f1d40ac680052f767c40a1d61712caac26b9a4be39f58016cbd0c5adcba12ed04c2dc01743f50b3f905a781bd75a7da73289776b8f
ssdeep: 24576:LRR7AAmZZcVKfIxTiEVc847flVC6faaQDbGV6eH81k6IbGD2JTu0GoZQDbGV6eHS:LRR7AAmw4gxeOw46fUbNecCCFbNec3
type: PE32 executable (GUI) Intel 80386 (stripped to external PDB), for MS Windows, UPX compressed

Version Info:

LegalCopyright: Copyright (C) 2000
InternalName: FlowerPower
FileVersion: 1, 0, 0, 1
CompanyName:
PrivateBuild:
LegalTrademarks:
Comments:
ProductName: FlowerPower
SpecialBuild:
ProductVersion: 1, 0, 0, 1
FileDescription: FlowerPower
OriginalFilename: FlowerPower.EXE
Translation: 0x0c09 0x04b0

Trojan.Win32.Delf also known as:

GridinSoft Trojan.Ransom.Gen
Bkav W32.AIDetectVM.malware1
Elastic malicious (high confidence)
MicroWorld-eScan MemScan:Trojan.Agent.ECLV
CAT-QuickHeal Trojan.Mauvaise.SL1
Qihoo-360 Generic/HEUR/QVM19.1.5C46.Malware.Gen
McAfee Ransomware-GPB!4CE1AD6DD794
Cylance Unsafe
Sangfor Malware
K7AntiVirus Trojan ( 00550e441 )
BitDefender MemScan:Trojan.Agent.ECLV
K7GW Trojan ( 00550e441 )
Cybereason malicious.f687c4
TrendMicro TrojanSpy.Win32.AVEMARIA.SMTH
Cyren W32/Agent.BAN.gen!Eldorado
Symantec ML.Attribute.HighConfidence
APEX Malicious
Avast Sf:ShellCode-CU [Trj]
ClamAV Win.Malware.Ursu-6793772-0
Kaspersky HEUR:Trojan.Win32.Delf.gen
Alibaba Trojan:Win32/Skeeeyah.d50debc5
AegisLab Trojan.Win32.Generic.4!c
Rising Trojan.Kryptik!1.BA0B (CLASSIC)
Ad-Aware MemScan:Trojan.Agent.ECLV
Emsisoft MemScan:Trojan.Agent.ECLV (B)
Comodo TrojWare.Win32.Injector.AVPL@8d26g3
F-Secure Backdoor.BDS/Poison.mon
DrWeb Trojan.Inject3.16347
VIPRE Trojan.Win32.Generic!BT
Invincea Mal/Generic-R + Mal/Agent-AVK
McAfee-GW-Edition BehavesLike.Win32.Ransomware.vc
FireEye Generic.mg.4ce1ad6dd794d9a9
Sophos Mal/Agent-AVK
Ikarus Trojan.Win32.Agent
Jiangmin Trojan.Generic.glrmz
Webroot W32.Malware.Gen
Avira BDS/Poison.mon
MAX malware (ai score=88)
Antiy-AVL Trojan/Win32.Nymaim
Microsoft Trojan:Win32/Skeeeyah
Gridinsoft Trojan.Win32.Agent.oa
Arcabit Trojan.Agent.ECLV
ZoneAlarm HEUR:Trojan.Win32.Delf.gen
GData MemScan:Trojan.Agent.ECLV
Cynet Malicious (score: 100)
AhnLab-V3 Trojan/Win32.RL_Fuery.R280427
Acronis suspicious
BitDefenderTheta Gen:NN.ZexaF.34634.4s3@aGODL8ai
ALYac MemScan:Trojan.Agent.ECLV
VBA32 SScope.Trojan.Hlux
Malwarebytes Trojan.Agent
Panda Trj/Genetic.gen
Zoner Trojan.Win32.89366
ESET-NOD32 a variant of Win32/Kryptik.GZNI
TrendMicro-HouseCall TrojanSpy.Win32.AVEMARIA.SMTH
Tencent Malware.Win32.Gencirc.10b9c91e
Yandex Trojan.Agent!lXIagej6/WQ
SentinelOne Static AI – Malicious PE
eGambit Trojan.Generic
Fortinet W32/Agent.TJS!tr
AVG Sf:ShellCode-CU [Trj]
Paloalto generic.ml
CrowdStrike win/malicious_confidence_100% (D)
MaxSecure Trojan.Malware.121218.susgen

How to remove Trojan.Win32.Delf 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

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 Trojan.Win32.Delf 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:

Full version of GridinSoft

Full version of GridinSoft Anti-Malware

If the guide doesn’t help you to remove Trojan.Win32.Delf 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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