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

What is VirTool:Win32/Obfuscator.CAP infection?

In this post you will certainly find about the interpretation of VirTool:Win32/Obfuscator.CAP and its negative effect on your computer. Such ransomware are a type of malware that is specified by online scams to require paying the ransom money by a target.

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In the majority of the cases, VirTool:Win32/Obfuscator.CAP virus will certainly instruct its victims to initiate funds move for the function of reducing the effects of the modifications that the Trojan infection has actually introduced to the sufferer’s device.

VirTool:Win32/Obfuscator.CAP Summary

These modifications can be as complies with:

  • 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.
  • 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.
  • The binary likely contains encrypted or compressed data. In this case, encryption is a way of hiding virus’ code from antiviruses and virus’ analysts.
  • Attempts to repeatedly call a single API many times in order to delay analysis time. This significantly complicates the work of the virus analyzer. Typical malware tactics!
  • Ciphering the records found on the victim’s disk drive — so the sufferer can no longer use the information;
  • Preventing routine accessibility to the sufferer’s workstation. This is the typical behavior of a virus called locker. It blocks access to the computer until the victim pays the ransom.


The most typical channels whereby VirTool:Win32/Obfuscator.CAP 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 consequence of customer winding up on a source that holds a malicious software program;

As quickly as the Trojan is efficiently infused, it will either cipher the information on the victim’s computer or stop the device from functioning in a proper manner – while additionally positioning a ransom money note that points out the demand for the sufferers to impact the settlement for the purpose of decrypting the records or bring back the file system back to the first condition. In many circumstances, the ransom money note will show up when the customer reboots the COMPUTER after the system has already been harmed.

VirTool:Win32/Obfuscator.CAP circulation networks.

In numerous corners of the globe, VirTool:Win32/Obfuscator.CAP grows by jumps as well as bounds. Nevertheless, the ransom notes and also techniques of extorting the ransom money amount may vary depending on particular neighborhood (regional) setups. The ransom notes and tricks of obtaining the ransom quantity might vary depending on particular regional (local) settings.

Ransomware injection

As an example:

    Faulty notifies concerning unlicensed software.

    In certain areas, the Trojans typically wrongfully report having found some unlicensed applications enabled on the sufferer’s gadget. The sharp then requires the user to pay the ransom money.

    Faulty statements regarding illegal content.

    In nations where software program piracy is less preferred, this method is not as effective for the cyber fraudulences. Additionally, the VirTool:Win32/Obfuscator.CAP popup alert might incorrectly declare to be originating from a police institution and will report having situated child porn or various other unlawful data on the device.

    VirTool:Win32/Obfuscator.CAP popup alert might incorrectly declare to be obtaining from a regulation enforcement institution as well as will report having located child pornography or other illegal data on the tool. The alert will likewise include a requirement for the user to pay the ransom.

Technical details

File Info:

crc32: 5BC84F7D
md5: 1a246cf2a0d66a4644c332d487090706
name: setup.exe
sha1: 71b91d1c18a6b30160bfd0b8096593febaae783f
sha256: e1f4494c70f133bbf70fa92e33bcd947bf01d62dd8c109aadc47b037e814b30f
sha512: e9287d9141b614999470adae721d2d2120f52b386dc4264f10ef77c4b39e9daf49732f8dc53d28047724dba3156b92277504f3884e67a34298e638d1485dcdb0
ssdeep: 12288:husZR7FylRpg9pBAS2eX7V357SVfUbHoRMGBtN:husZJ6RpgLBASL7V35SV9RMGBtN
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

LegalCopyright: Copyright (C) 2017, dorigjdj
InternalName: fgghfghjfghj.exe
Translation: 0x0809 0x04b0

VirTool:Win32/Obfuscator.CAP also known as:

GridinSoft Trojan.Ransom.Gen
MicroWorld-eScan Trojan.BRMon.Gen.1
CAT-QuickHeal Trojan.Mauvaise.SL1
ALYac Trojan.BRMon.Gen.1
Malwarebytes Trojan.MalPack
VIPRE Trojan.Win32.Generic!BT
BitDefender Trojan.BRMon.Gen.1
K7GW Trojan ( 0052456d1 )
K7AntiVirus Trojan ( 005257f41 )
Invincea heuristic
NANO-Antivirus Trojan.Win32.Kryptik.exdidr
Cyren W32/S-55d41096!Eldorado
Symantec Packed.Generic.525
TrendMicro-HouseCall Ransom_HPGANDCRAB.SMG2
ClamAV Win.Trojan.Emotet-6437061-0
GData Trojan.BRMon.Gen.1
Kaspersky HEUR:Trojan.Win32.Generic
Rising Malware.Obscure/Heur!1.A89E (CLASSIC)
Ad-Aware Trojan.BRMon.Gen.1
Sophos Mal/Ransom-FN
Comodo Malware@#1ajskyy5b7pmr
F-Secure Heuristic.HEUR/AGEN.1029148
DrWeb Trojan.Encoder.24357
TrendMicro Ransom_HPGANDCRAB.SMG2
McAfee-GW-Edition BehavesLike.Win32.Generic.gc
Emsisoft Trojan.BRMon.Gen.1 (B)
Ikarus Trojan.Win32.Crypt
F-Prot W32/S-55d41096!Eldorado
Jiangmin TrojanDownloader.Bitmin.ej
Webroot W32.Trojan.Gen
Avira HEUR/AGEN.1029148
Antiy-AVL Trojan/Win32.TSGeneric
Endgame malicious (high confidence)
Arcabit Trojan.BRMon.Gen.1
SUPERAntiSpyware Trojan.Agent/Gen-Kryptik
ZoneAlarm HEUR:Trojan.Win32.Generic
Microsoft VirTool:Win32/Obfuscator.CAP
AhnLab-V3 Trojan/Win32.Jimmy.R216858
Acronis suspicious
McAfee GenericRXDV-JP!1A246CF2A0D6
VBA32 Trojan.Encoder
Cylance Unsafe
Panda Trj/Genetic.gen
ESET-NOD32 a variant of Win32/Kryptik.GBVA
Tencent Win32.Trojan.Generic.Dxmy
Yandex Trojan.Kryptik!iPrKLRC1Hec
SentinelOne static engine – malicious
Fortinet W32/Kryptik.GCBO!tr
AVG Win32:Dropper-gen [Drp]
Cybereason malicious.2a0d66
Avast Win32:Dropper-gen [Drp]
CrowdStrike malicious_confidence_100% (D)
Qihoo-360 Win32/Trojan.160

How to remove VirTool:Win32/Obfuscator.CAP 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

The is an excellent way to deal with recognizing and removing threats – using Gridinsoft Anti-Malware. This program will scan your PC, find and neutralize all suspicious processes.2.

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.CAP 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.CAP you can always ask me in the comments for getting help.

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  1. GridinSoft Anti-Malware Review from HowToFix site:
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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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