DDoS:Win32/Nitol.D

What is DDoS:Win32/Nitol.D infection?

In this short article you will certainly discover concerning the interpretation of DDoS:Win32/Nitol.D and its negative effect on your computer system. Such ransomware are a form of malware that is specified by on-line frauds to require paying the ransom by a victim.

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Most of the cases, DDoS:Win32/Nitol.D infection will certainly instruct its victims to initiate funds move for the objective of counteracting the changes that the Trojan infection has actually presented to the victim’s gadget.

DDoS:Win32/Nitol.D Summary

These adjustments can be as adheres to:

  • 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.

  • 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.
  • Unconventionial language used in binary resources: Russian;
  • 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
  • Anomalous binary characteristics. This is a way of hiding virus’ code from antiviruses and virus’ analysts.
  • Ciphering the files found on the sufferer’s hard drive — so the victim can no more 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.

DDoS:Win32/Nitol.D

The most typical channels where DDoS:Win32/Nitol.D Ransomware are infused are:

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

As soon as the Trojan is successfully infused, it will either cipher the data on the victim’s computer or stop the gadget from working in an appropriate manner – while additionally positioning a ransom note that discusses the need for the targets to effect the repayment for the objective of decrypting the documents or recovering the data system back to the first condition. In most instances, the ransom note will certainly turn up when the customer reboots the COMPUTER after the system has currently been damaged.

DDoS:Win32/Nitol.D distribution channels.

In numerous corners of the globe, DDoS:Win32/Nitol.D grows by jumps and also bounds. However, the ransom notes and techniques of obtaining the ransom amount might differ depending upon certain regional (local) setups. The ransom money notes and also tricks of obtaining the ransom money quantity might vary depending on particular neighborhood (local) settings.

Ransomware injection

For instance:

    Faulty notifies concerning unlicensed software program.

    In specific locations, the Trojans typically wrongfully report having found some unlicensed applications made it possible for on the target’s gadget. The sharp after that demands the user to pay the ransom.

    Faulty declarations about illegal web content.

    In countries where software application piracy is less prominent, this method is not as reliable for the cyber fraudulences. Additionally, the DDoS:Win32/Nitol.D popup alert might falsely assert to be stemming from a law enforcement institution and also will report having situated child pornography or various other prohibited data on the tool.

    DDoS:Win32/Nitol.D popup alert may incorrectly claim to be deriving from a regulation enforcement establishment and will certainly report having situated child porn or other illegal data on the device. The alert will similarly consist of a requirement for the individual to pay the ransom money.

Technical details

File Info:

crc32: 563F5894
md5: b07b7b3fbab93974930759c874fbb95d
name: B07B7B3FBAB93974930759C874FBB95D.mlw
sha1: a21030180859ef3f000af2ed6f63a0f1ae6b440a
sha256: 88907b3ac3a421d65a52b9760670c417655c9b18619e0c6cb3b627a6f73ec6aa
sha512: 554de0e23eb39fcfd7053b3de7e77b77c12926171ad31ac1695b85a4204ab4788ff8cbaf71c4a32c629ba18d59be484ce1262badf79c4bfe08547626360de73b
ssdeep: 24576:rX48QE+U3AvU16c3UBSwqSkrPBK82P6A8hCATGgBN0sjK57:rXz+1rc3UBq9rZy6A8hCKGgksk7
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

LegalCopyright: Smart compressed tool
FileDescription: Excel document 2.0.1.3 Installation
FileVersion: 2.0.1.3
Comments:
CompanyName: Smart compressed tool
Translation: 0x0409 0x04e4

DDoS:Win32/Nitol.D also known as:

GridinSoft Trojan.Ransom.Gen
Bkav W32.AIDetect.malware1
K7AntiVirus Trojan ( 0055e3991 )
DrWeb BackDoor.Siggen.60255
Cynet Malicious (score: 100)
ALYac Gen:Variant.Ransom.Spora.29
Cylance Unsafe
Sangfor Ransom.Win32.Cryakl.amr
Alibaba Ransom:Win32/Cryakl.1dcd6a13
K7GW Trojan ( 0055e3991 )
Cybereason malicious.fbab93
Baidu Win32.Trojan.Injector.iu
Symantec ML.Attribute.HighConfidence
ESET-NOD32 a variant of Win32/Injector.DEEZ
APEX Malicious
Avast Win32:Malware-gen
Kaspersky Trojan-Ransom.Win32.Cryakl.amr
BitDefender Gen:Variant.Ransom.Spora.29
NANO-Antivirus Trojan.Win32.Ekstak.evdhuj
ViRobot Trojan.Win32.S.Locky.942324
MicroWorld-eScan Gen:Variant.Ransom.Spora.29
Tencent Win32.Trojan.Cryakl.Pdcd
Sophos Mal/Generic-R
Comodo Malware@#2dfvi2cx1idua
BitDefenderTheta Gen:NN.ZexaF.34670.uuW@aqjzgcbG
VIPRE Trojan.Win32.Generic.pak!cobra
McAfee-GW-Edition GenericRXAH-IB!D2ECCEDD40C9
FireEye Generic.mg.b07b7b3fbab93974
Emsisoft Gen:Variant.Ransom.Spora.29 (B)
SentinelOne Static AI – Suspicious PE
Jiangmin Trojan.Cryakl.jc
Webroot W32.Trojan.Gen
Avira TR/Crypt.ZPACK.apap
eGambit Unsafe.AI_Score_99%
Kingsoft Win32.Troj.Undef.(kcloud)
Microsoft DDoS:Win32/Nitol.D
Arcabit Trojan.Ransom.Spora.29
AegisLab Trojan.Win32.Cryakl.4!c
GData Gen:Variant.Ransom.Spora.29 (3x)
AhnLab-V3 Trojan/Win32.Cryakl.C1531796
McAfee Artemis!B07B7B3FBAB9
MAX malware (ai score=100)
VBA32 Hoax.Scatter
Malwarebytes Malware.AI.3815994411
Panda Trj/CI.A
Rising Trojan.Crypto!8.364 (CLOUD)
Yandex Trojan.Cryakl!iIwK2iI/1nE
Ikarus Trojan.Win32.Stimilik
MaxSecure Trojan-Ransom.Win32.Crypmod.zfq
Fortinet W32/Injector.DEEZ!tr
AVG Win32:Malware-gen
Paloalto generic.ml
Qihoo-360 Win32/Ransom.Criakl.HwUBEpsA

How to remove DDoS:Win32/Nitol.D virus?

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

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 DDoS:Win32/Nitol.D 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 DDoS:Win32/Nitol.D 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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