VirTool:Win32/Obfuscator.AY

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

What is VirTool:Win32/Obfuscator.AY infection?

In this article you will locate concerning the interpretation of VirTool:Win32/Obfuscator.AY and its adverse effect on your computer system. Such ransomware are a type of malware that is elaborated by on-line frauds to require paying the ransom money by a target.

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Most of the cases, VirTool:Win32/Obfuscator.AY virus will instruct its sufferers to initiate funds transfer for the purpose of reducing the effects of the modifications that the Trojan infection has actually introduced to the sufferer’s tool.

VirTool:Win32/Obfuscator.AY 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.
  • Unconventionial language used in binary resources: Spanish (Modern);
  • Detects Sandboxie through the presence of a library;
  • 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 documents located on the target’s hard disk — so the sufferer can no more utilize the data;
  • Preventing normal accessibility to the victim’s workstation;
Similar behavior
Related domains
z.whorecord.xyzWin.Ransomware.Buzus-6863335-0
a.tomx.xyzWin.Ransomware.Buzus-6863335-0

VirTool:Win32/Obfuscator.AY

The most typical channels whereby VirTool:Win32/Obfuscator.AY Trojans are infused are:

  • By means of phishing emails;
  • As a consequence of individual ending up on a source that organizes a harmful software program;

As quickly as the Trojan is successfully injected, it will either cipher the data on the sufferer’s computer or stop the gadget from operating in a proper way – while likewise placing a ransom note that mentions the demand for the sufferers to impact the settlement for the objective of decrypting the files or bring back the documents system back to the initial problem. In a lot of instances, the ransom money note will come up when the client restarts the PC after the system has actually currently been harmed.

VirTool:Win32/Obfuscator.AY circulation channels.

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

Ransomware injection

For instance:

    Faulty notifies concerning unlicensed software program.

    In specific locations, the Trojans commonly wrongfully report having found some unlicensed applications allowed on the target’s gadget. The alert then requires the customer to pay the ransom money.

    Faulty statements about illegal content.

    In countries where software application piracy is much less preferred, this method is not as efficient for the cyber fraudulences. Alternatively, the VirTool:Win32/Obfuscator.AY popup alert might wrongly claim to be deriving from a police organization and also will certainly report having located child pornography or various other prohibited information on the device.

    VirTool:Win32/Obfuscator.AY popup alert may wrongly assert to be acquiring from a legislation enforcement organization as well as will certainly report having located kid porn or various other illegal information on the gadget. The alert will in a similar way include a requirement for the user to pay the ransom.

Technical details

File Info:

crc32: 760FAF8D
md5: f33334be7ef3a77e0796f7674c343c18
name: F33334BE7EF3A77E0796F7674C343C18.mlw
sha1: ddbb73611257f1c1175ea6abda055a5c8776af2e
sha256: 585a46349f9062f15b96b17712069391874f8f65cbcba18b676be8dad02fd1a5
sha512: c44c9541e7a647182eac7b31a5aff8488d9338a95bf6c6ac44d1ccd42e481ece2ca4437dcc61015b2d87873397183c796d25af2efcc388ba1781bb79d8c11487
ssdeep: 6144:RqO+wZ8d6/8tBm1Wwz174+37dyEQhlF3ILUmiLcytsNmNNl+:Rqp2c6kBmMwp7Rrd8R4RiLcytkcNl+
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

Translation: 0x0c0a 0x04b0
InternalName: stub
FileVersion: 1.00
CompanyName: -
ProductName: stub
ProductVersion: 1.00
OriginalFilename: stub.exe

VirTool:Win32/Obfuscator.AY also known as:

GridinSoftTrojan.Ransom.Gen
K7AntiVirusTrojan ( 002a405c1 )
Elasticmalicious (high confidence)
DrWebTrojan.Rent.151
CynetMalicious (score: 100)
CAT-QuickHealTrojan.VBCrypt.MF.1
ALYacTrojan.Crypt.Gen.1
CylanceUnsafe
ZillyaTrojan.Buzus.Win32.13750
SangforTrojan.Win32.Save.a
K7GWTrojan ( 002a405c1 )
Cybereasonmalicious.e7ef3a
CyrenW32/Trojan.OKHR-6157
SymantecML.Attribute.HighConfidence
ESET-NOD32a variant of Win32/Injector.BFLU
APEXMalicious
AvastWin32:GenMalicious-KLA [Trj]
ClamAVWin.Ransomware.Buzus-6863335-0
KasperskyWorm.Win32.VBNA.b
BitDefenderTrojan.Crypt.Gen.1
NANO-AntivirusTrojan.Win32.VB.csxoqh
ViRobotTrojan.Win32.Buzus.16384.I
MicroWorld-eScanTrojan.Crypt.Gen.1
TencentMalware.Win32.Gencirc.11494882
Ad-AwareTrojan.Crypt.Gen.1
SophosML/PE-A + Mal/VB-Z
ComodoTrojWare.Win32.Buzus.~RS@7jqlk
BitDefenderThetaAI:Packer.B3E04B2D23
VIPRETrojan.Win32.Buzus (v)
TrendMicroTROJ_DROPPER.EXH
McAfee-GW-EditionBehavesLike.Win32.Rontokbro.dc
FireEyeGeneric.mg.f33334be7ef3a77e
EmsisoftTrojan.Crypt.Gen.1 (B)
SentinelOneStatic AI – Malicious PE
JiangminWorm.VBNA.jv
AviraTR/Dropper.Gen
eGambitUnsafe.AI_Score_100%
Antiy-AVLTrojan/Generic.ASMalwS.1069D4
MicrosoftVirTool:Win32/Obfuscator.AY
GDataTrojan.Crypt.Gen.1
McAfeeGeneric Dropper!hv.f
MAXmalware (ai score=89)
VBA32Malware-Cryptor.VB.gen.1
MalwarebytesMalware.AI.1666247024
PandaTrj/Genetic.gen
TrendMicro-HouseCallTROJ_DROPPER.EXH
RisingTrojan.Win32.Inject.fhb (CLASSIC)
YandexTrojan.GenAsa!gC98LqoYsZM
IkarusBackdoor.Poison
FortinetW32/VB.INK!tr
AVGWin32:GenMalicious-KLA [Trj]

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