DDoS:Win32/Nitol.A

Written by Robert Bailey

What is DDoS:Win32/Nitol.A infection?

In this post you will certainly discover about the definition of DDoS:Win32/Nitol.A and its adverse influence on your computer. Such ransomware are a kind of malware that is elaborated by online frauds to demand paying the ransom money by a sufferer.

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In the majority of the instances, DDoS:Win32/Nitol.A infection will instruct its targets to initiate funds transfer for the purpose of counteracting the modifications that the Trojan infection has actually introduced to the target’s tool.

DDoS:Win32/Nitol.A Summary

These adjustments can be as adheres to:

  • 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 binary language: Chinese (Simplified);
  • Unconventionial language used in binary resources: Chinese (Simplified);
  • Deletes its original binary from disk;
  • 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 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.
  • Creates a copy of itself;
  • Ciphering the records located on the target’s hard disk drive — so the victim can no longer make use of the data;
  • Preventing routine access to the sufferer’s workstation;

DDoS:Win32/Nitol.A

One of the most normal networks whereby DDoS:Win32/Nitol.A are injected are:

  • By methods of phishing e-mails. Email phishing is a cyber attack that uses disguised email as a goal is to trick the recipient into believing that the message is something they want or need — a request from their bank, for instance, or a note from someone in their company — and to click a link for download a malware.
  • As a repercussion of customer winding up on a source that organizes a destructive software;

As soon as the Trojan is efficiently infused, it will certainly either cipher the information on the victim’s PC or avoid the gadget from functioning in a proper way – while likewise positioning a ransom note that discusses the demand for the targets to impact the settlement for the purpose of decrypting the files or bring back the file system back to the initial problem. In a lot of circumstances, the ransom money note will certainly come up when the client restarts the COMPUTER after the system has actually currently been harmed.

DDoS:Win32/Nitol.A circulation networks.

In numerous corners of the globe, DDoS:Win32/Nitol.A grows by jumps and bounds. Nevertheless, the ransom money notes and methods of obtaining the ransom money amount may vary depending on specific regional (local) settings. The ransom notes as well as techniques of extorting the ransom amount might vary depending on particular neighborhood (local) setups.

Ransomware injection

For example:

    Faulty informs about unlicensed software program.

    In certain areas, the Trojans typically wrongfully report having identified some unlicensed applications made it possible for on the target’s gadget. The alert after that demands the customer to pay the ransom money.

    Faulty declarations regarding illegal material.

    In nations where software piracy is much less prominent, this approach is not as reliable for the cyber frauds. Conversely, the DDoS:Win32/Nitol.A popup alert may falsely declare to be stemming from a police establishment and also will report having situated child pornography or other unlawful information on the gadget.

    DDoS:Win32/Nitol.A popup alert might wrongly claim to be acquiring from a law enforcement institution and also will report having located child porn or other unlawful data on the tool. The alert will similarly contain a need for the user to pay the ransom.

Technical details

File Info:

crc32: 228F8DFE
md5: 1549862bbdb4dd82000f1383f62886ff
name: 1549862BBDB4DD82000F1383F62886FF.mlw
sha1: ecb83b256dfe397b86f0b7b9c10c6d7307914ad9
sha256: dd2fde92f36587bdf9fd638be085dadbd2dd35e908933175d65aa368f891951e
sha512: 062301b6da70d60dd74463083f29bfc369c4edebc3de48c30e91488fddbf1c18e8edee8c5ecb99cffe1ed84092dd453fe9d8062bae9679772e3291d6d619e308
ssdeep: 768:27RBhwxj2Maj7EELw/7a1vhMPeOtCMJJh39dWUAohfjiT5ediO:2lo2MaVMjS5MPEMJ7v0qfWT5Mz
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

LegalCopyright: ? Microsoft Corporation. All rights reserved.
InternalName:
FileVersion: 6.1.7600.16385 (win7_rtm.090713-1255)
CompanyName: Microsoft Corporation
PrivateBuild:
LegalTrademarks:
Comments:
ProductName: Microsoft? Windows? Operating System
SpecialBuild:
ProductVersion: 6.1.7600.16385
FileDescription: Windows Enhanced Storage Password Authentication Program
OriginalFilename: EhStorAuthn.exe
Translation: 0x0804 0x04b0

DDoS:Win32/Nitol.A also known as:

GridinSoft Trojan.Ransom.Gen
Bkav W32.AIDetect.malware1
K7AntiVirus Trojan ( 005255dc1 )
Elastic malicious (high confidence)
DrWeb Trojan.DownLoader18.16955
Cynet Malicious (score: 100)
CAT-QuickHeal TrojanRansom.PornoBlocker
ALYac Gen:Heur.Mint.Zard.30
Cylance Unsafe
Zillya Trojan.PornoBlocker.Win32.13622
Sangfor Trojan.Win32.Save.a
CrowdStrike win/malicious_confidence_100% (W)
Alibaba Ransom:Win32/PornoBlocker.b88beb85
K7GW Trojan ( 005255dc1 )
Cybereason malicious.bbdb4d
Baidu Win32.Trojan.ServStart.ax
Cyren W32/Nitol.K.gen!Eldorado
Symantec Trojan.Gen.MBT
ESET-NOD32 a variant of Win32/Agent.RMM
APEX Malicious
Avast Win32:Nitol-A [Trj]
ClamAV Win.Trojan.Agent-1346504
Kaspersky Trojan-Ransom.Win32.PornoBlocker.ejtx
BitDefender Gen:Heur.Mint.Zard.30
NANO-Antivirus Trojan.Win32.Agent.epcppg
SUPERAntiSpyware Trojan.Agent/Gen-FakeMS
MicroWorld-eScan Gen:Heur.Mint.Zard.30
Tencent Trojan.Win32.Lapka.bw
Ad-Aware Gen:Heur.Mint.Zard.30
Sophos Mal/Generic-R
Comodo TrojWare.Win32.Nitol.KA@6cq5hu
BitDefenderTheta AI:Packer.3C640D571F
VIPRE Trojan.Win32.Generic!BT
TrendMicro DDoS.Win32.NITOL.SMG
McAfee-GW-Edition GenericRXEN-BW!1549862BBDB4
FireEye Generic.mg.1549862bbdb4dd82
Emsisoft Gen:Heur.Mint.Zard.30 (B)
SentinelOne Static AI – Malicious PE
Jiangmin Trojan.Generic.ovbd
Avira TR/ATRAPS.Gen
eGambit Unsafe.AI_Score_99%
Microsoft DDoS:Win32/Nitol.A
AegisLab Trojan.Win32.Generic.mDJ4
GData Win32.Trojan.Microfake.A
TACHYON Ransom/W32.PornoBlocker.47616
AhnLab-V3 Trojan/Win32.Scar.R171941
Acronis suspicious
McAfee GenericRXEN-BW!1549862BBDB4
MAX malware (ai score=100)
VBA32 BScope.Trojan.Scar
Malwarebytes Nimnul.Virus.FileInfector.DDS
Panda Trj/Genetic.gen
TrendMicro-HouseCall DDoS.Win32.NITOL.SMG
Rising Trojan.Nitol!1.C6A5 (CLOUD)
Ikarus Trojan.Win32.MicroFake
Fortinet W32/Agent.RMM!tr
AVG Win32:Nitol-A [Trj]
Paloalto generic.ml
Qihoo-360 Win32/Trojan.Ransom.ae5

How to remove DDoS:Win32/Nitol.A 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.

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.A 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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Full version of GridinSoft Anti-Malware

If the guide doesn’t help you to remove DDoS:Win32/Nitol.A 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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