DDoS:Win32/Nitol.P!rfn

Written by Robert Bailey

What is DDoS:Win32/Nitol.P!rfn infection?

In this post you will certainly locate concerning the definition of DDoS:Win32/Nitol.P!rfn and its negative influence on your computer system. Such ransomware are a kind of malware that is clarified by on-line frauds to require paying the ransom by a target.

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In the majority of the cases, DDoS:Win32/Nitol.P!rfn ransomware will certainly instruct its victims to launch funds transfer for the objective of reducing the effects of the changes that the Trojan infection has actually introduced to the victim’s gadget.

DDoS:Win32/Nitol.P!rfn Summary

These alterations can be as adheres to:

  • Attempts to connect to a dead IP:Port (2 unique times);
  • Possible date expiration check, exits too soon after checking local time;
  • Reads data out of its own binary image;
  • Drops a binary and executes it;
  • Unconventionial binary language: Chinese (Simplified);
  • Unconventionial language used in binary resources: Chinese (Simplified);
  • The binary likely contains encrypted or compressed data.;
  • The executable is compressed using UPX;
  • Deletes its original binary from disk;
  • Attempts to repeatedly call a single API many times in order to delay analysis time;
  • Installs itself for autorun at Windows startup;
  • Creates a hidden or system file;
  • Creates a copy of itself;
  • Ciphering the documents found on the sufferer’s hard disk — so the victim can no more use the information;
  • Preventing regular access to the sufferer’s workstation;

Related domains:

v8.ter.tf BehavesLike.Win32.Vundo.mc

DDoS:Win32/Nitol.P!rfn

One of the most typical channels where DDoS:Win32/Nitol.P!rfn Ransomware are injected are:

  • By ways of phishing emails;
  • As a consequence of customer winding up on a resource that holds a destructive software program;

As soon as the Trojan is efficiently infused, it will either cipher the data on the sufferer’s PC or prevent the tool from working in an appropriate manner – while likewise putting a ransom note that states the demand for the victims to effect the repayment for the function of decrypting the papers or recovering the data system back to the first condition. In many circumstances, the ransom note will certainly turn up when the customer reboots the PC after the system has actually already been harmed.

DDoS:Win32/Nitol.P!rfn distribution networks.

In various edges of the globe, DDoS:Win32/Nitol.P!rfn expands by leaps and also bounds. Nevertheless, the ransom money notes as well as methods of extorting the ransom amount might differ relying on certain regional (regional) settings. The ransom notes and techniques of extorting the ransom money quantity might differ depending on certain regional (local) setups.

Ransomware injection

For example:

    Faulty signals concerning unlicensed software application.

    In certain areas, the Trojans typically wrongfully report having spotted some unlicensed applications enabled on the victim’s device. The alert then demands the individual to pay the ransom.

    Faulty statements concerning prohibited web content.

    In nations where software piracy is much less prominent, this approach is not as reliable for the cyber fraudulences. Conversely, the DDoS:Win32/Nitol.P!rfn popup alert may wrongly declare to be deriving from a police establishment as well as will report having situated youngster porn or other unlawful data on the tool.

    DDoS:Win32/Nitol.P!rfn popup alert might falsely declare to be deriving from a regulation enforcement organization and also will certainly report having situated child porn or various other illegal data on the tool. The alert will in a similar way include a demand for the user to pay the ransom.

Technical details

File Info:

crc32: 2D5D3451
md5: 36c5615472227b94054d29509fb2d28f
name: tf.exe
sha1: 2c91f653864f696955db4a87aed6598649df8986
sha256: afd26bbe953489c996b2f4cbbfb5702d57b94ca77cc709a6d46a81a7481c54b7
sha512: e3daaffbcd2c3f6d10ba91c02460a6249a6b9208166e411aea9b456511ef922e46ab04f425f3be364f059812c134a592f07883af23dbd3522ce92bfb418f6cfc
ssdeep: 384:C+I0+Fkm7SWZZYO5uez+b+hCNzfdZvJQi8zxXHMUOWQ0PCfgapKS0e0l0svAz0X:C+I0+FNSW3YO5z+b+hCFfHtpnWQ0qK6
type: PE32 executable (GUI) Intel 80386, for MS Windows, UPX compressed

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.P!rfn also known as:

GridinSoft Trojan.Ransom.Gen
MicroWorld-eScan Gen:Heur.Mint.Zard.30
FireEye Generic.mg.36c5615472227b94
CAT-QuickHeal Trojan.DDoSTF.S8420
McAfee GenericRXAA-AA!36C561547222
Malwarebytes Trojan.FakeMS
Sangfor Malware
K7AntiVirus Trojan ( 005376ae1 )
BitDefender Gen:Heur.Mint.Zard.30
K7GW Trojan ( 005376ae1 )
Cybereason malicious.472227
TrendMicro DDoS.Win32.NITOL.SMG
BitDefenderTheta AI:Packer.43C24E231F
F-Prot W32/Nitol.AC.gen!Eldorado
Symantec Backdoor.Nitol
TotalDefense Win32/PackedBaidu
Baidu Win32.Trojan.ServStart.ax
TrendMicro-HouseCall DDoS.Win32.NITOL.SMG
Avast Win32:Dh-A [Heur]
ClamAV Win.Malware.Nitol-6802818-0
GData Win32.Trojan.Microfake.A
Kaspersky Trojan-Ransom.Win32.PornoBlocker.ejtx
NANO-Antivirus Trojan.Win32.MicroFake.cchebz
APEX Malicious
Tencent Trojan.Win32.Lapka.bw
Ad-Aware Gen:Heur.Mint.Zard.30
Sophos Mal/Nitol-C
Comodo TrojWare.Win32.Nitol.KA@6cq5hu
F-Secure Trojan.TR/ATRAPS.hrva.12
DrWeb Trojan.DownLoader18.16955
Zillya Trojan.PornoBlocker.Win32.12249
Invincea heuristic
McAfee-GW-Edition BehavesLike.Win32.Vundo.mc
Trapmine malicious.high.ml.score
Emsisoft Gen:Heur.Mint.Zard.30 (B)
SentinelOne DFI – Malicious PE
Cyren W32/Nitol.AC.gen!Eldorado
Jiangmin Trojan.Generic.cpukn
MaxSecure Trojan.Malware.9551591.susgen
Avira TR/ATRAPS.hrva.12
MAX malware (ai score=84)
Antiy-AVL Trojan[Ransom]/Win32.PornoBlocker
Endgame malicious (moderate confidence)
Arcabit Trojan.Mint.Zard.30
SUPERAntiSpyware Trojan.Agent/Gen-FakeMS
ZoneAlarm Trojan-Ransom.Win32.PornoBlocker.ejtx
Microsoft DDoS:Win32/Nitol.P!rfn
AhnLab-V3 Trojan/Win32.Nitol.R299383
Acronis suspicious
VBA32 BScope.Backdoor.Caphaw
ALYac Gen:Heur.Mint.Zard.30
TACHYON Ransom/W32.PornoBlocker.51200
Panda Trj/Genetic.gen
Zoner Trojan.Win32.80438
ESET-NOD32 a variant of Win32/Agent.RMM
Rising Ransom.PornoBlocker!8.24E (RDMK:cmRtazrAmkA7MKfbQUfW9Wcq3UfP)
Yandex Trojan.MicroFake!Nyu0d5RIIDk
Ikarus Trojan.Win32.Agent
eGambit Unsafe.AI_Score_99%
Fortinet W32/Agent.RMM!tr
Webroot W32.Malware.Gen
AVG Win32:Dh-A [Heur]
CrowdStrike win/malicious_confidence_100% (D)
Qihoo-360 Win32/Dropper.LPK.F

How to remove DDoS:Win32/Nitol.P!rfn 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

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.P!rfn 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.P!rfn 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: http://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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