Win32/TrojanClicker.Delf.NRO

What is Win32/TrojanClicker.Delf.NRO infection?

In this article you will certainly discover concerning the interpretation of Win32/TrojanClicker.Delf.NRO and also its adverse influence on your computer system. Such ransomware are a form of malware that is clarified by online frauds to demand paying the ransom money by a target.

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Most of the cases, Win32/TrojanClicker.Delf.NRO infection will certainly instruct its victims to initiate funds move for the function of counteracting the changes that the Trojan infection has presented to the sufferer’s device.

Win32/TrojanClicker.Delf.NRO Summary

These adjustments can be as adheres to:

  • 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: Chinese (Simplified);
  • 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;
  • Anomalous binary characteristics. This is a way of hiding virus’ code from antiviruses and virus’ analysts.
  • Ciphering the records situated on the target’s disk drive — so the victim can no longer make use of the information;
  • 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.

Win32/TrojanClicker.Delf.NRO

One of the most normal channels where Win32/TrojanClicker.Delf.NRO are injected are:

  • By ways of phishing emails;
  • As an effect of user winding up on a resource that holds a harmful software program;

As quickly as the Trojan is efficiently injected, it will certainly either cipher the data on the victim’s computer or stop the device from working in a correct way – while also putting a ransom note that discusses the demand for the targets to impact the repayment for the purpose of decrypting the records or bring back the documents system back to the preliminary problem. In a lot of instances, the ransom money note will show up when the client reboots the PC after the system has already been damaged.

Win32/TrojanClicker.Delf.NRO circulation channels.

In numerous edges of the world, Win32/TrojanClicker.Delf.NRO expands by jumps and also bounds. Nevertheless, the ransom money notes and tricks of obtaining the ransom money amount might differ depending upon specific neighborhood (local) setups. The ransom notes and also methods of obtaining the ransom amount might differ depending on specific local (local) settings.

Ransomware injection

As an example:

    Faulty notifies regarding unlicensed software application.

    In specific locations, the Trojans typically wrongfully report having actually spotted some unlicensed applications allowed on the sufferer’s tool. The sharp after that requires the individual to pay the ransom money.

    Faulty declarations about illegal web content.

    In countries where software program piracy is much less popular, this approach is not as effective for the cyber frauds. Conversely, the Win32/TrojanClicker.Delf.NRO popup alert might incorrectly claim to be stemming from a law enforcement institution as well as will certainly report having located child porn or other illegal information on the device.

    Win32/TrojanClicker.Delf.NRO popup alert might incorrectly declare to be deriving from a legislation enforcement establishment as well as will report having situated youngster pornography or various other illegal information on the tool. The alert will likewise include a demand for the user to pay the ransom money.

Technical details

File Info:

crc32: 93DD8FCE
md5: 143999f3d3cd57c3b0d1f385b1ca1146
name: 143999F3D3CD57C3B0D1F385B1CA1146.mlw
sha1: 6cc05a630d2a6d97882c358507b93bcb7e6bad00
sha256: a761c81560109f21d8530a537fda1ae86617b3713b3cb5e12e044c101dd16120
sha512: 395b20d4efc56a4c4f8ad0931d283d742cd9648647356d7b55e1d331c63e844f9053b39f2e907680a444aff5fb800c88b61fe15287fc4a78fc5e297211852151
ssdeep: 12288:+lovAZB9CMcMIkjNiEUCz29CNxOTgG1L1oqZntj:+2oZCMdIkRcCz2oM82hJtj
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

0: [No Data]

Win32/TrojanClicker.Delf.NRO also known as:

GridinSoft Trojan.Ransom.Gen
Bkav W32.AIDetect.malware1
Elastic malicious (high confidence)
DrWeb Trojan.Siggen6.43110
Cynet Malicious (score: 100)
ALYac Trojan.Generic.1174581
Malwarebytes Malware.Heuristic.1006
Zillya Trojan.Delf.Win32.69672
Sangfor Trojan.Win32.Save.a
CrowdStrike win/malicious_confidence_70% (D)
Cybereason malicious.3d3cd5
Cyren W32/Trojan.PPMF-7058
Symantec ML.Attribute.HighConfidence
ESET-NOD32 a variant of Win32/TrojanClicker.Delf.NRO
APEX Malicious
Avast Win32:Trojan-gen
Kaspersky Trojan-Clicker.Win32.Delf.bjb
BitDefender Trojan.Generic.1174581
NANO-Antivirus Trojan.Win32.Delf.pbbx
MicroWorld-eScan Trojan.Generic.1174581
Tencent Win32.Trojan.Delf.Dvpx
Ad-Aware Trojan.Generic.1174581
Sophos Mal/Generic-S
Comodo TrojWare.Win32.TrojanClicker.Delf.~O@12ym6
BitDefenderTheta Gen:NN.ZelphiF.34628.KGW@aa!Ge5pb
VIPRE Trojan.Win32.Clicker!BT
McAfee-GW-Edition BehavesLike.Win32.Generic.hh
FireEye Generic.mg.143999f3d3cd57c3
Emsisoft Trojan.Generic.1174581 (B)
SentinelOne Static AI – Suspicious PE
Jiangmin TrojanClicker.Delf.yy
eGambit Unsafe.AI_Score_99%
Kingsoft Win32.Troj.Delf.b.(kcloud)
Microsoft Backdoor:Win32/Bladabindi!ml
Arcabit Trojan.Generic.D11EC35
AegisLab Trojan.Win32.Delf.8!c
GData Trojan.Generic.1174581
AhnLab-V3 Trojan/Win32.Delf.C1959110
McAfee Generic.bop
MAX malware (ai score=83)
VBA32 TrojanClicker.Delf
Panda Trj/CI.A
Rising Trojan.Clicker-Delf!8.2E2 (CLOUD)
Yandex Trojan.GenAsa!aMvhwX3o8SY
Ikarus Trojan-Ransom.Hexzone
Fortinet W32/Clicker.DFR!tr
AVG Win32:Trojan-gen
Paloalto generic.ml
Qihoo-360 Win32/Trojan.Clicker.372

How to remove Win32/TrojanClicker.Delf.NRO 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.

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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.

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Press “Install” button.

GridinSoft Anti-Malware Install

Once installed, Anti-Malware will automatically run.

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Wait for the Anti-Malware scan to complete.

GridinSoft Anti-Malware will automatically start scanning your system for Win32/TrojanClicker.Delf.NRO 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?

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If the guide doesn’t help you to remove Win32/TrojanClicker.Delf.NRO 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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