VirTool:Win32/Obfuscator.KH
Sarah Oconnell
Updated on April 29, 2026
What is VirTool:Win32/Obfuscator.KH infection?
In this post you will certainly discover about the interpretation of VirTool:Win32/Obfuscator.KH as well as its negative influence on your computer system. Such ransomware are a form of malware that is elaborated by online frauds to demand paying the ransom by a victim.
In the majority of the situations, VirTool:Win32/Obfuscator.KH virus will instruct its victims to start funds transfer for the function of reducing the effects of the modifications that the Trojan infection has introduced to the victim’s gadget.
VirTool:Win32/Obfuscator.KH Summary
These alterations can be as adheres to:
- 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.
- Unconventionial language used in binary resources: Russian;
- 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.
- Ciphering the records found on the sufferer’s disk drive — so the target can no more use the data;
- Preventing regular accessibility to the sufferer’s workstation;
VirTool:Win32/Obfuscator.KH
One of the most regular channels where VirTool:Win32/Obfuscator.KH are injected are:
- By ways of phishing emails;
- As an effect of individual ending up on a resource that holds a harmful software program;
As quickly as the Trojan is efficiently injected, it will certainly either cipher the data on the victim’s computer or avoid the gadget from functioning in an appropriate fashion – while likewise placing a ransom money note that states the requirement for the targets to impact the settlement for the function of decrypting the records or restoring the data system back to the preliminary condition. In many circumstances, the ransom money note will certainly come up when the customer reboots the COMPUTER after the system has currently been harmed.
VirTool:Win32/Obfuscator.KH circulation channels.
In different edges of the globe, VirTool:Win32/Obfuscator.KH grows by leaps as well as bounds. Nonetheless, the ransom money notes and tricks of obtaining the ransom money amount may differ depending on specific neighborhood (local) setups. The ransom money notes as well as methods of extorting the ransom money amount might vary depending on particular local (regional) settings.
As an example:
Faulty signals concerning unlicensed software.
In specific areas, the Trojans commonly wrongfully report having identified some unlicensed applications enabled on the target’s gadget. The alert then demands the individual to pay the ransom money.
Faulty declarations about prohibited web content.
In nations where software piracy is much less popular, this approach is not as effective for the cyber frauds. Conversely, the VirTool:Win32/Obfuscator.KH popup alert might incorrectly claim to be deriving from a law enforcement organization as well as will certainly report having located youngster pornography or various other illegal information on the device.
VirTool:Win32/Obfuscator.KH popup alert might falsely declare to be deriving from a law enforcement institution as well as will certainly report having situated youngster porn or other illegal information on the gadget. The alert will likewise include a demand for the user to pay the ransom money.
Technical details
File Info:
crc32: 3834A1F4md5: bc91c089315c35ce7ec7efef2f0d84d6name: BC91C089315C35CE7EC7EFEF2F0D84D6.mlwsha1: 4a20c6dcfe1cced47d7ee717f66266778d76d1ecsha256: 481d67ebd05d7ff566c9fb3fba76d9d0a28420d88b1a010a4727f0fbb151e152sha512: b83e2af33623baef3607279e59ff70358a03fb9eefe6e325802f2296d10ad5cd161d70fa462b49c8b72f8a86e17957857dfcb1b629b35b0133de8f211f7d76bdssdeep: 6144:fAt5FuFGQHoUORMn59jVe2KzYEOr9kPg8/1Fhq:g5wFGQHoUOynjVeBzYW/1type: PE32 executable (GUI) Intel 80386, for MS WindowsVersion Info:
LegalCopyright: 2000-Web: kjtlaelFileVersion: 9.36.11Author: rsumfoqCompanyName: sysivFile Description: wbxvComments: gdxmycnInternal Name: knwrTranslation: 0x0409 0x04b0
VirTool:Win32/Obfuscator.KH also known as:
| GridinSoft | Trojan.Ransom.Gen |
| Bkav | W32.AIDetect.malware2 |
| K7AntiVirus | Trojan ( 005223351 ) |
| Elastic | malicious (high confidence) |
| Cynet | Malicious (score: 100) |
| ALYac | Trojan.Generic.4733074 |
| Cylance | Unsafe |
| Zillya | Trojan.LockScreen.Win32.8491 |
| Sangfor | Trojan.Win32.Save.a |
| Alibaba | Ransom:Win32/PinkBlocker.1af3cc85 |
| K7GW | Trojan ( 005223351 ) |
| Cybereason | malicious.9315c3 |
| Symantec | Trojan.Zbot!gen9 |
| ESET-NOD32 | Win32/LockScreen.UK |
| APEX | Malicious |
| Avast | Win32:Trojan-gen |
| Kaspersky | Trojan-Ransom.Win32.PinkBlocker.clc |
| BitDefender | Trojan.Generic.4733074 |
| NANO-Antivirus | Trojan.Win32.Winlock.bdusf |
| MicroWorld-eScan | Trojan.Generic.4733074 |
| Tencent | Win32.Trojan.Pinkblocker.Pijp |
| Ad-Aware | Trojan.Generic.4733074 |
| Sophos | ML/PE-A + Mal/FakeAV-BW |
| Comodo | MalCrypt.Indus!@1qrzi1 |
| BitDefenderTheta | AI:Packer.B119D3FD1F |
| VIPRE | Trojan.Win32.Kryptik.fte (v) |
| McAfee-GW-Edition | BehavesLike.Win32.PWSZbot.dh |
| FireEye | Generic.mg.bc91c089315c35ce |
| Emsisoft | Trojan.Generic.4733074 (B) |
| SentinelOne | Static AI – Suspicious PE |
| Jiangmin | Trojan/PinkBlocker.amg |
| Avira | TR/Crypt.XPACK.Gen8 |
| eGambit | Generic.Malware |
| Antiy-AVL | Trojan/Generic.ASMalwS.1887F77 |
| Microsoft | VirTool:Win32/Obfuscator.KH |
| AegisLab | Trojan.Win32.PinkBlocker.j!c |
| GData | Trojan.Generic.4733074 |
| Acronis | suspicious |
| McAfee | Artemis!BC91C089315C |
| MAX | malware (ai score=100) |
| VBA32 | BScope.TrojanPSW.Tinba |
| Panda | Trj/Genetic.gen |
| Rising | Trojan.Generic@ML.89 (RDML:YX90sMXX8aD+U8r/v7bkjw) |
| Ikarus | Worm.Win32.Ramnit |
| Fortinet | W32/Krypt.A!tr.dldr |
| AVG | Win32:Trojan-gen |
| Paloalto | generic.ml |
How to remove VirTool:Win32/Obfuscator.KH virus?
There is no better way to recognize, remove and prevent PC threats than to use an anti-malware software from GridinSoft">2.
Download GridinSoft Anti-Malware.
You can download GridinSoft Anti-Malware by clicking the button below:
Download GridinSoft Anti-MalwareRun 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.
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.
Press “Install” button.
Once installed, Anti-Malware will automatically run.
Wait for the Anti-Malware scan to complete.
GridinSoft Anti-Malware will automatically start scanning your system for VirTool:Win32/Obfuscator.KH 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.
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.
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:
Full version of GridinSoft Anti-Malware
If the guide doesn’t help you to remove VirTool:Win32/Obfuscator.KH you can always ask me in the comments for getting help.
References
- GridinSoft Anti-Malware Review from HowToFix site:
- More information about GridinSoft products:
