Ransom:Win32/Vigorf.A

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

What is Ransom:Win32/Vigorf.A infection?

In this article you will certainly discover concerning the definition of Ransom:Win32/Vigorf.A and also its unfavorable impact on your computer. Such ransomware are a type of malware that is elaborated by on-line fraudulences to require paying the ransom by a target.

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In the majority of the cases, Ransom:Win32/Vigorf.A infection will certainly instruct its victims to start funds transfer for the purpose of neutralizing the amendments that the Trojan infection has presented to the sufferer’s tool.

Ransom:Win32/Vigorf.A Summary

These alterations can be as follows:

  • Injection (inter-process);
  • Injection (Process Hollowing);
  • 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.
  • Compression (or decompression);
  • 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.
  • Reads data out of its own binary image. The trick that allows the malware to read data out of your computer’s memory.

    Everything you run, type, or click on your computer goes through the memory. This includes passwords, bank account numbers, emails, and other confidential information. With this vulnerability, there is the potential for a malicious program to read that data.

  • Executed a process and injected code into it, probably while unpacking;
  • 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 records situated on the target’s hard drive — so the target can no longer use the information;
  • Preventing regular access 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.

Ransom:Win32/Vigorf.A

The most typical networks through which Ransom:Win32/Vigorf.A are injected are:

  • By ways of phishing e-mails;
  • As a consequence of customer ending up on a source that organizes a harmful software program;

As soon as the Trojan is effectively injected, it will either cipher the data on the victim’s computer or avoid the gadget from functioning in an appropriate manner – while also positioning a ransom note that points out the demand for the victims to effect the settlement for the function of decrypting the files or bring back the data system back to the initial problem. In a lot of circumstances, the ransom money note will certainly show up when the client restarts the COMPUTER after the system has already been damaged.

Ransom:Win32/Vigorf.A distribution networks.

In numerous corners of the globe, Ransom:Win32/Vigorf.A expands by jumps and also bounds. Nonetheless, the ransom money notes as well as tricks of extorting the ransom money quantity might vary depending upon specific regional (local) settings. The ransom money notes and tricks of extorting the ransom money quantity may vary depending on particular neighborhood (regional) setups.

Ransomware injection

For instance:

    Faulty signals about unlicensed software program.

    In specific areas, the Trojans often wrongfully report having actually spotted some unlicensed applications enabled on the sufferer’s device. The sharp then requires the individual to pay the ransom.

    Faulty declarations regarding unlawful content.

    In nations where software piracy is less prominent, this approach is not as effective for the cyber scams. Additionally, the Ransom:Win32/Vigorf.A popup alert might wrongly claim to be originating from a law enforcement establishment and also will certainly report having situated child porn or various other illegal information on the tool.

    Ransom:Win32/Vigorf.A popup alert may wrongly assert to be acquiring from a law enforcement establishment as well as will report having located youngster porn or other prohibited data on the tool. The alert will likewise consist of a need for the individual to pay the ransom.

Technical details

File Info:

crc32: 61CA5AAF
md5: adee989a53ed2ebcb88945904cedb914
name: ADEE989A53ED2EBCB88945904CEDB914.mlw
sha1: 86da00d7dd4200718c1862b6346f16da0f7dbd3c
sha256: a22b2bf0228f44ba64804f6f568bbc90acd73b113952c5ff1cddc68b18e5d111
sha512: ada5b0129caa97cf7f073362a37fb8890c63dd5a783222e4e0b266326f7ee1147f10fd4fb800341408cd22a66771f2ac690056cd209924baa50d6444c623a5b7
ssdeep: 12288:qnthJRYFzejpCb6On50Bg6hf+Bb7sF0wuPPJvyXOOixlj89:mhJRU4pCb9nghybA+wCPJvcOjy
type: PE32 executable (GUI) Intel 80386, for MS Windows, Nullsoft Installer self-extracting archive

Version Info:

0: [No Data]

Ransom:Win32/Vigorf.A also known as:

GridinSoftTrojan.Ransom.Gen
BkavW32.AIDetect.malware2
Elasticmalicious (high confidence)
MicroWorld-eScanDropped:Trojan.Ransom.Crypt0L0ckerKD.12609325
FireEyeGeneric.mg.adee989a53ed2ebc
CAT-QuickHealTrojan.Nisloder
McAfeeArtemis!ADEE989A53ED
CylanceUnsafe
VIPRETrojan.Win32.Generic!BT
AegisLabTrojan.Win32.Generic.4!c
SangforRansom.Win32.Enestedel.A!rsm
K7AntiVirusTrojan ( 0051ce5a1 )
BitDefenderDropped:Trojan.Ransom.Crypt0L0ckerKD.12609325
K7GWTrojan ( 0051ce5a1 )
Cybereasonmalicious.a53ed2
CyrenW32/Cerber.DXJZ-2544
SymantecRansom.Cerber!g14
APEXMalicious
AvastWin32:Malware-gen
CynetMalicious (score: 100)
KasperskyTrojan.Win32.Nisloder.bly
AlibabaRansom:Win32/Nisloder.b9f01a69
NANO-AntivirusTrojan.Win32.Mlw.evdlwq
RisingRansom.Enestedel!8.E513 (CLOUD)
Ad-AwareDropped:Trojan.Ransom.Crypt0L0ckerKD.12609325
EmsisoftDropped:Trojan.Ransom.Crypt0L0ckerKD.12609325 (B)
ComodoMalware@#drz1rgz3rmj1
TrendMicroRansom_Enestedel.R002C0DLQ20
McAfee-GW-EditionBehavesLike.Win32.Dropper.hc
SophosMal/Generic-R + Mal/Cerber-Z
IkarusTrojan.Win32.Injector
JiangminTrojan.Nisloder.lt
AviraHEUR/AGEN.1116909
MAXmalware (ai score=100)
Antiy-AVLTrojan/Win32.TSGeneric
MicrosoftRansom:Win32/Vigorf.A
ArcabitTrojan.Ransom.Crypt0L0ckerKD.12609325
ZoneAlarmHEUR:Trojan.Win32.Sod.gen
GDataDropped:Trojan.Ransom.Crypt0L0ckerKD.12609325
BitDefenderThetaGen:NN.ZedlaF.34590.eq4@a8lYlXm
ALYacDropped:Trojan.Ransom.Crypt0L0ckerKD.12609325
VBA32Trojan.Nisloder
MalwarebytesGeneric.Malware/Suspicious
PandaTrj/CI.A
ESET-NOD32a variant of Generik.DTTLNUB
TrendMicro-HouseCallRansom_Enestedel.R002C0DLQ20
TencentWin32.Trojan.Generic.Lrso
YandexTrojan.Nisloder!Y1FqZ8pkXf4
SentinelOneStatic AI – Malicious PE
FortinetW32/InjectorGen.DLBW!tr
AVGWin32:Malware-gen
Paloaltogeneric.ml
CrowdStrikewin/malicious_confidence_90% (W)
Qihoo-360Win32/Ransom.Generic.HyoDK6wA

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