VirTool:Win32/Obfuscator.NV

Written by Robert Bailey

What is VirTool:Win32/Obfuscator.NV infection?

In this short article you will find regarding the definition of VirTool:Win32/Obfuscator.NV as well as its negative influence on your computer. Such ransomware are a kind of malware that is clarified by on-line fraudulences to demand paying the ransom by a victim.

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Most of the instances, VirTool:Win32/Obfuscator.NV ransomware will certainly advise its victims to initiate funds move for the function of counteracting the modifications that the Trojan infection has presented to the sufferer’s device.

VirTool:Win32/Obfuscator.NV Summary

These modifications can be as adheres to:

  • Executable code extraction;
  • Creates RWX memory;
  • Unconventionial language used in binary resources: Russian;
  • Installs itself for autorun at Windows startup;
  • Network activity detected but not expressed in API logs;
  • Anomalous binary characteristics;
  • Ciphering the records located on the sufferer’s disk drive — so the target can no more use the information;
  • Preventing routine access to the target’s workstation;

VirTool:Win32/Obfuscator.NV

One of the most normal channels where VirTool:Win32/Obfuscator.NV Ransomware Trojans are injected are:

  • By methods of phishing e-mails;
  • As an effect of user winding up on a source that holds a malicious software program;

As soon as the Trojan is effectively injected, it will certainly either cipher the data on the target’s computer or avoid the device from working in an appropriate manner – while additionally positioning a ransom note that mentions the need for the victims to effect the payment for the purpose of decrypting the records or bring back the file system back to the first problem. In many circumstances, the ransom note will turn up when the customer restarts the PC after the system has currently been harmed.

VirTool:Win32/Obfuscator.NV distribution channels.

In various corners of the world, VirTool:Win32/Obfuscator.NV grows by leaps as well as bounds. Nevertheless, the ransom notes and also tricks of obtaining the ransom amount might differ depending upon certain local (regional) setups. The ransom money notes and also tricks of extorting the ransom money amount might vary depending on certain neighborhood (local) settings.

Ransomware injection

As an example:

    Faulty informs about unlicensed software program.

    In certain locations, the Trojans commonly wrongfully report having identified some unlicensed applications made it possible for on the victim’s tool. The alert then requires the user to pay the ransom money.

    Faulty declarations regarding illegal material.

    In countries where software application piracy is less preferred, this method is not as reliable for the cyber scams. Additionally, the VirTool:Win32/Obfuscator.NV popup alert may wrongly declare to be originating from a police institution and will certainly report having situated youngster pornography or other illegal information on the device.

    VirTool:Win32/Obfuscator.NV popup alert might incorrectly declare to be obtaining from a legislation enforcement institution and will report having located child pornography or various other illegal information on the tool. The alert will similarly consist of a demand for the customer to pay the ransom money.

Technical details

File Info:

crc32: EDFCAF4A
md5: 399d80706a51c02a30b2346f323d46c8
name: 399D80706A51C02A30B2346F323D46C8.mlw
sha1: ed11b9501a12ebd9a66e5174089f34ce9e566947
sha256: 5a05c0d5b867fbf5997bb33872a78c4b0d147ff46a1da35a914f684a236a1a29
sha512: 7417082232773d0444d6a80dbad3190c76801c8a609f20de6d564530a5d406e1fc18f692f1120652fcbb019664f039f37099ffd6ac30557dd974b8c036692c5e
ssdeep: 1536:GMoSQZOnXoAnAn5RGwqIWs72ByrnMnQJZzBtto2G7LIhHozf:GMoWn/c7BqLs72ByrfNzox8Ho
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

0: [No Data]

VirTool:Win32/Obfuscator.NV also known as:

GridinSoft Trojan.Ransom.Gen
Bkav W32.AIDetect.malware1
K7AntiVirus Trojan ( 001f3da71 )
Lionic Trojan.Win32.Generic.4!c
Elastic malicious (high confidence)
DrWeb Trojan.Winlock.13616
ALYac Gen:Heur.FKP.11
Zillya Trojan.PornoBlocker.Win32.2340
Sangfor Suspicious.Win32.Save.a
CrowdStrike win/malicious_confidence_80% (D)
Alibaba VirTool:Win32/Obfuscator.8812d185
K7GW Trojan ( 001f3da71 )
Cybereason malicious.06a51c
Cyren W32/Bulta.C.gen!Eldorado
Symantec ML.Attribute.HighConfidence
ESET-NOD32 a variant of Win32/Kryptik.JRY
APEX Malicious
Avast Win32:MalOb-IJ [Cryp]
Cynet Malicious (score: 100)
Kaspersky HEUR:Trojan.Win32.Generic
BitDefender Gen:Heur.FKP.11
NANO-Antivirus Trojan.Win32.PornoBlocker.cwgxb
ViRobot Trojan.Win32.A.RedLine.51200
MicroWorld-eScan Gen:Heur.FKP.11
Tencent Win32.Trojan.Redline.vvh
Ad-Aware Gen:Heur.FKP.11
Sophos Mal/Generic-S
Comodo Suspicious@#3r3f6lyycmj9a
BitDefenderTheta Gen:NN.ZexaF.34126.f0W@aGBrzDgc
VIPRE Trojan.Win32.Bamital.i (v)
McAfee-GW-Edition BehavesLike.Win32.Generic.mt
FireEye Generic.mg.399d80706a51c02a
Emsisoft Gen:Heur.FKP.11 (B)
SentinelOne Static AI – Malicious PE
Jiangmin Trojan/PornoBlocker.bgi
Webroot W32.Malware.Gen
Avira TR/Crypt.XPACK.Gen
eGambit Generic.Malware
Antiy-AVL Trojan/Generic.ASMalwS.4B39AD
Kingsoft Win32.Troj.Undef.(kcloud)
Microsoft VirTool:Win32/Obfuscator.NV
Arcabit Trojan.FKP.11
GData Gen:Heur.FKP.11
TACHYON Trojan/W32.PornoBlocker.91648
Acronis suspicious
McAfee W32/Bamital.j
MAX malware (ai score=100)
VBA32 Trojan.SB.01742
Panda Trj/Genetic.gen
Rising Trojan.Generic@ML.100 (RDML:IvoE808/AaTtyl4EjsPHww)
Yandex Trojan.GenAsa!Uepo4cz9ZAM
Ikarus Trojan-Ransom.PornoBlocker
Fortinet W32/Bamital.FA!tr
AVG Win32:MalOb-IJ [Cryp]
Paloalto generic.ml

How to remove VirTool:Win32/Obfuscator.NV 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 VirTool:Win32/Obfuscator.NV 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 VirTool:Win32/Obfuscator.NV 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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