Virus:Win32/Vigorf.A

What is Virus:Win32/Vigorf.A infection?

In this article you will find concerning the meaning of Virus:Win32/Vigorf.A and also its adverse impact on your computer. Such ransomware are a form of malware that is clarified by online fraudulences to require paying the ransom money by a sufferer.

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In the majority of the situations, Virus:Win32/Vigorf.A infection will certainly instruct its victims to launch funds move for the objective of counteracting the modifications that the Trojan infection has introduced to the target’s device.

Virus:Win32/Vigorf.A 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.
  • Possible date expiration check, exits too soon after checking local time;
  • The binary likely contains encrypted or compressed data. In this case, encryption is a way of hiding virus’ code from antiviruses and virus’ analysts.
  • 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 papers located on the target’s hard drive — so the sufferer can no longer make use of the data;
  • Preventing regular access to the victim’s workstation. This is the typical behavior of a virus called locker. It blocks access to the computer until the victim pays the ransom.
Similar behavior
Related domains
z.whorecord.xyz Ransom.Win32.Wacatac.oa
a.tomx.xyz Ransom.Win32.Wacatac.oa

Virus:Win32/Vigorf.A

The most normal networks whereby Virus:Win32/Vigorf.A are injected are:

  • By ways of phishing e-mails;
  • As a consequence of customer winding up on a source that organizes a destructive software;

As quickly as the Trojan is efficiently injected, it will either cipher the information on the target’s PC or protect against the device from operating in a correct fashion – while likewise putting a ransom note that discusses the need for the targets to impact the payment for the purpose of decrypting the papers or bring back the data system back to the first condition. In most circumstances, the ransom money note will certainly come up when the client reboots the COMPUTER after the system has already been damaged.

Virus:Win32/Vigorf.A distribution networks.

In numerous corners of the world, Virus:Win32/Vigorf.A grows by leaps and also bounds. Nonetheless, the ransom notes and also tricks of extorting the ransom money quantity may differ relying on certain local (local) setups. The ransom money notes and methods of obtaining the ransom quantity might vary depending on specific regional (regional) settings.

Ransomware injection

For instance:

    Faulty informs regarding unlicensed software application.

    In specific areas, the Trojans commonly wrongfully report having identified some unlicensed applications allowed on the victim’s device. The sharp then requires the user to pay the ransom money.

    Faulty statements concerning unlawful material.

    In nations where software program piracy is much less popular, this technique is not as effective for the cyber scams. Conversely, the Virus:Win32/Vigorf.A popup alert may falsely claim to be originating from a law enforcement organization and will report having situated child pornography or other illegal data on the gadget.

    Virus:Win32/Vigorf.A popup alert might incorrectly claim to be deriving from a law enforcement organization and will certainly report having located youngster porn or other prohibited information on the tool. The alert will likewise contain a requirement for the individual to pay the ransom.

Technical details

File Info:

crc32: A53BBC82
md5: 60bbf01bbe06140e91db5942b92e9285
name: 60BBF01BBE06140E91DB5942B92E9285.mlw
sha1: 8023794acb2d9e73fd7a9739e0da8c620981d7e5
sha256: b908fa453ccf48da0e5d066f8938a2c368370ad2f8028394a629a40e75e9af2e
sha512: 673079e067e378937b42f7611e86f5ac9a9915874081e8b9fcfb7cb9cc5d4838dbdbdad4e060f886cab90a37e78eef90c6ba3b17eeeaac874c4bbfa3b15fe073
ssdeep: 6144:byPyK1+nfcuA4ARRAYvJsGAQ51KdvzQQwdxsJpcr5m5QOFX+Qq4bkTulmX8CkcC:byPyK1+nEV4kRAYvcQ51KtQ3OPbHsXL
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

LegalCopyright: xa9 Microsoft Corporation. All rights reserved.
InternalName: svchost.exe
FileVersion: 6.1.7600.16385 (win7_rtm.090713-1255)
CompanyName: Microsoft Corporation
ProductName: Microsoftxae Windowsxae Operating System
ProductVersion: 6.1.7600.16385
FileDescription: Host Process for Windows Services
OriginalFilename: svchost.exe
Translation: 0x0409 0x04b0

Virus:Win32/Vigorf.A also known as:

GridinSoft Trojan.Ransom.Gen
Bkav W32.AIDetectVM.malware2
Elastic malicious (high confidence)
MicroWorld-eScan Win32.Expiro.Gen.6
FireEye Generic.mg.60bbf01bbe06140e
Cylance Unsafe
VIPRE Virus.Win32.Expiro.dp (v)
AegisLab Trojan.Win32.Expiro.4!c
Sangfor Malware
BitDefender Win32.Expiro.Gen.6
Cybereason malicious.acb2d9
TrendMicro Virus.Win32.EXPIRO.AF
Cyren W32/Trojan.YJWU-7468
Symantec ML.Attribute.HighConfidence
APEX Malicious
Alibaba Virus:Win32/Expiro.74bfada1
NANO-Antivirus Virus.Win32.Gen.ccmw
Tencent Win32.Virus.Expiro.Wnwl
Ad-Aware Win32.Expiro.Gen.6
Sophos Mal/Generic-S
Comodo Malware@#feg2nloo4c3n
F-Secure Trojan.TR/Patched.Gen
Invincea Mal/Generic-S
McAfee-GW-Edition BehavesLike.Win32.Virus.gc
Emsisoft Win32.Expiro.Gen.6 (B)
Ikarus Virus.Win32.Expiro
Avira TR/Patched.Gen
Microsoft Virus:Win32/Vigorf.A
Gridinsoft Ransom.Win32.Wacatac.oa
Arcabit Win32.Expiro.Gen.6
SUPERAntiSpyware Trojan.Agent/Gen-Injector
GData Win32.Expiro.Gen.6
Cynet Malicious (score: 100)
Acronis suspicious
ALYac Win32.Expiro.Gen.6
MAX malware (ai score=88)
VBA32 BScope.Trojan.Wacatac
ESET-NOD32 a variant of Win32/Expiro.NDG
TrendMicro-HouseCall Virus.Win32.EXPIRO.AF
SentinelOne Static AI – Malicious PE
Fortinet W32/Expiro.RC!tr
AVG FileRepMalware
CrowdStrike win/malicious_confidence_80% (D)
Qihoo-360 Generic/HEUR/QVM20.1.5857.Malware.Gen

How to remove Virus:Win32/Vigorf.A 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 Virus:Win32/Vigorf.A 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:

Full version of GridinSoft

Full version of GridinSoft Anti-Malware

If the guide doesn’t help you to remove Virus:Win32/Vigorf.A 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/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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