VirTool:Win32/Obfuscator.R

What is the Win32:Evo-gen [Trj] virus?
Written by Robert Bailey

What is VirTool:Win32/Obfuscator.R infection?

In this post you will locate concerning the interpretation of VirTool:Win32/Obfuscator.R as well as its unfavorable effect on your computer system. Such ransomware are a form of malware that is specified by on-line fraudulences to require paying the ransom by a target.

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Most of the cases, VirTool:Win32/Obfuscator.R ransomware will instruct its targets to start funds move for the objective of reducing the effects of the modifications that the Trojan infection has actually introduced to the sufferer’s tool.

VirTool:Win32/Obfuscator.R Summary

These modifications can be as follows:

  • 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.
  • Network activity detected but not expressed in API logs. Microsoft built an API solution right into its Windows operating system it reveals network activity for all apps and programs that ran on the computer in the past 30-days. This malware hides network activity.
  • Anomalous binary characteristics. This is a way of hiding virus’ code from antiviruses and virus’ analysts.
  • Ciphering the files found on the target’s disk drive — so the victim can no more use the information;
  • Preventing normal accessibility 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.

VirTool:Win32/Obfuscator.R

One of the most common channels where VirTool:Win32/Obfuscator.R Ransomware are infused are:

  • By means of phishing e-mails;
  • As an effect of individual winding up on a source that holds a harmful software application;

As soon as the Trojan is successfully infused, it will either cipher the data on the sufferer’s PC or protect against the gadget from functioning in an appropriate way – while additionally putting a ransom money note that states the demand for the victims to impact the settlement for the purpose of decrypting the files or recovering the documents system back to the preliminary problem. In a lot of instances, the ransom money note will certainly turn up when the customer restarts the COMPUTER after the system has currently been damaged.

VirTool:Win32/Obfuscator.R distribution channels.

In different edges of the world, VirTool:Win32/Obfuscator.R expands by jumps and bounds. Nevertheless, the ransom notes as well as tricks of obtaining the ransom amount might vary relying on certain neighborhood (regional) setups. The ransom notes and also techniques of extorting the ransom money amount might vary depending on certain local (regional) settings.

Ransomware injection

For example:

    Faulty notifies regarding unlicensed software.

    In certain locations, the Trojans typically wrongfully report having actually spotted some unlicensed applications allowed on the target’s device. The alert after that demands the individual to pay the ransom.

    Faulty statements regarding illegal content.

    In countries where software program piracy is much less prominent, this method is not as reliable for the cyber frauds. Alternatively, the VirTool:Win32/Obfuscator.R popup alert may wrongly assert to be stemming from a law enforcement organization as well as will report having situated youngster porn or various other illegal information on the device.

    VirTool:Win32/Obfuscator.R popup alert might falsely claim to be obtaining from a regulation enforcement institution and also will certainly report having situated child porn or various other unlawful data on the gadget. The alert will in a similar way consist of a requirement for the user to pay the ransom.

Technical details

File Info:

crc32: 9B7E27FD
md5: 06caa356d3edef5b4d0f5473d8cc76ac
name: 06CAA356D3EDEF5B4D0F5473D8CC76AC.mlw
sha1: 7baacc7005dcbf946f25be33f5b919ce6786c46e
sha256: 1de503b8d8f1a5aceee6410c900cf7e9ace196fd2e8e52825528cc89a51aa982
sha512: d9192f894617e191236f653c502e5b3cbca2f1b2bf2981a034421915fa4d7cb0d3c3ff6a13c3bebee864b687d037e87bc59bd20e84f15c70e154c133667d7270
ssdeep: 12288:z2IQ/fEOdaW+seKNTuSKUzplYxvYxvvzqzGfMZoE:zbQEOdntuSK8kGdE
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

Translation: 0x0409 0x04b0
InternalName: SAT
FileVersion: 1.00
CompanyName: Admin
ProductName: Satellite-RAT
ProductVersion: 1.00
OriginalFilename: SAT.exe

VirTool:Win32/Obfuscator.R also known as:

GridinSoft Trojan.Ransom.Gen
DrWeb Trojan.MulDrop3.45326
MicroWorld-eScan Gen:Variant.Johnnie.154315
CAT-QuickHeal Trojan.VBCrypt.MF.8944
Qihoo-360 Win32/Trojan.f50
ALYac Gen:Variant.Johnnie.154315
Cylance Unsafe
VIPRE Trojan.Crypt.ULPM.Gen
AegisLab Trojan.Win32.Blocker.4!c
Sangfor Trojan.Win32.Save.a
BitDefender Gen:Variant.Johnnie.154315
BitDefenderTheta Gen:NN.ZevbaF.34590.nm0@aSh!SEaO
Cyren W32/Backdoor.ZOIK-1002
Symantec ML.Attribute.HighConfidence
TotalDefense Win32/VBDoor!generic
TrendMicro-HouseCall BKDR_VB.INM
Avast Win32:Agent-ODQ [Trj]
ClamAV Win.Trojan.Keylogger-120
Kaspersky Trojan-Ransom.Win32.Blocker.iwld
Alibaba Ransom:Win32/Blocker.63c7a8dc
NANO-Antivirus Trojan.Win32.Agent.nwww
Rising Backdoor.VB!1.651D (CLOUD)
Ad-Aware Gen:Variant.Johnnie.154315
Emsisoft Gen:Variant.Johnnie.154315 (B)
Comodo ApplicUnsaf@#j06bv5ugiewd
F-Secure Trojan.TR/Crypt.ULPM.Gen
Baidu Win32.Worm.AutoRun.ij
Zillya Tool.Agent.Win32.472
TrendMicro BKDR_VB.INM
McAfee-GW-Edition BehavesLike.Win32.Generic.tm
FireEye Generic.mg.06caa356d3edef5b
Sophos Generic ML PUA (PUA)
Ikarus Trojan-Dropper.Agent
Webroot W32.Meredrop.Gen
Avira TR/Crypt.ULPM.Gen
Antiy-AVL Trojan[Backdoor]/Win32.Agent
Microsoft VirTool:Win32/Obfuscator.R
Arcabit Trojan.Johnnie.D25ACB
ZoneAlarm Trojan-Ransom.Win32.Blocker.iwld
GData Gen:Variant.Johnnie.154315
Cynet Malicious (score: 85)
McAfee Artemis!06CAA356D3ED
VBA32 TrojanRansom.Blocker
Malwarebytes Malware.AI.3315288857
Panda Generic Malware
APEX Malicious
ESET-NOD32 a variant of Win32/RiskWare.VBCrypt.C
Tencent Win32.Trojan.Agent.cow
Yandex Trojan.GenAsa!MOxjp7t+FMU
SentinelOne Static AI – Suspicious PE
Fortinet W32/Backdoor!tr
AVG Win32:Agent-ODQ [Trj]

How to remove VirTool:Win32/Obfuscator.R ransomware?

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 VirTool:Win32/Obfuscator.R 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.R 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/comparison

About the author

Robert Bailey

I'm Robert Bailey, a passionate Security Engineer with a deep fascination for all things related to malware, reverse engineering, and white hat ethical hacking.

As a white hat hacker, I firmly believe in the power of ethical hacking to bolster security measures. By identifying vulnerabilities and providing solutions, I contribute to the proactive defense of digital infrastructures.

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