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The Daily Insight

Trojan:Win32/Vigorf.A – What is Vigorf Trojan?

Author

Andrew Patterson

Updated on March 09, 2026

What is Trojan:Win32/Vigorf.A infection?

Vigorf is the name of a threat that most virus detection engines recognize as a trojan, also known as Trojan Win32/Vigorf. It is not sure exactly how this trojan affects infected computer systems. However, it could be designed to perform several different actions. In any case, if detected, this malicious software should be removed immediately.

Most of the situations, Trojan:Win32/Vigorf.A ransomware will certainly instruct its sufferers to launch funds transfer for the objective of counteracting the changes that the Trojan infection has actually introduced to the victim’s device.

Trojan:Win32/Vigorf.A Summary

These modifications can be as follows:

  • 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.

  • 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 files found on the sufferer’s disk drive — so the target can no more use the data;
  • Preventing regular access to the target’s workstation. This is the typical behavior of a virus called locker. It blocks access to the computer until the victim pays the ransom.
z.whorecord.xyzBehavesLike.Win32.ObfusRansom.hc
a.tomx.xyzBehavesLike.Win32.ObfusRansom.hc

Trojan:Win32/Vigorf.A

The most typical channels where Trojan:Win32/Vigorf.A are infused are:

  • By methods of phishing emails;
  • As a repercussion of customer ending up on a resource that holds a malicious software program;

As quickly as the Trojan is efficiently infused, it will either cipher the data on the target’s computer or stop the gadget from operating in a correct way – while additionally positioning a ransom money note that discusses the need for the targets to effect the payment for the objective of decrypting the files or restoring the file system back to the preliminary problem. In a lot of instances, the ransom note will certainly turn up when the customer reboots the COMPUTER after the system has already been harmed.

Trojan:Win32/Vigorf.A circulation networks.

In various edges of the world, Trojan:Win32/Vigorf.A expands by leaps as well as bounds. However, the ransom notes as well as tricks of obtaining the ransom money amount might differ depending upon certain local (local) settings. The ransom money notes and methods of obtaining the ransom money quantity may differ depending on specific local (regional) settings.

Ransomware injection

For example:

    Faulty notifies regarding unlicensed software application.

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

    Faulty statements regarding prohibited web content.

    In nations where software piracy is less popular, this technique is not as reliable for the cyber fraudulences. Additionally, the Trojan:Win32/Vigorf.A popup alert might falsely declare to be deriving from a law enforcement establishment and also will report having situated child pornography or other prohibited data on the device.

    Trojan:Win32/Vigorf.A popup alert might wrongly claim to be deriving from a law enforcement institution as well as will report having located kid porn or other prohibited data on the tool. The alert will likewise have a requirement for the customer to pay the ransom.

Technical details

File Info:

crc32: C1159E57md5: dfa9a2416b38f862e8c5023f17225478name: wilog.exesha1: 10c8bf1254b14f4da8b5b1e27f594121ca577853sha256: 5582cf40315bd95ed71af01d99e0b5a5f8ac2d0ea8f30800b1fa57046a5f26adsha512: 7f620d4c21e7e44f004744d7c85243f906f31477e4bedd347d39d4618ecec878d6d99588000b1a2b14cf0acb701fa97963d72b0118f1fc6d37c91e903dead670ssdeep: 12288:2qokCS6aCDjce0rzYHkynrZKEY/rFpMqlJ3NysZYnTxu/jfR55l/tsR6Z:2qbCIpuZGjzMydNyGuTWbRDlWCtype: PE32 executable (GUI) Intel 80386, for MS Windows, Nullsoft Installer self-extracting archive

Version Info:

0: [No Data]

Trojan:Win32/Vigorf.A also known as:

CAT-QuickHealTrojan.Agentb
McAfeeArtemis!DFA9A2416B38
CylanceUnsafe
K7AntiVirusTrojan ( 0055bb651 )
K7GWTrojan ( 0055bb651 )
CrowdStrikewin/malicious_confidence_60% (W)
ArcabitTrojan.Generic.D1F35AC5
TrendMicroTROJ_FRS.VSNW13K19
CyrenW32/Injector.ASRC-7802
SymantecTrojan.Gen.MBT
ESET-NOD32Win32/Injector.EIZG
APEXMalicious
KasperskyTrojan.Win32.Inject.amnlw
BitDefenderTrojan.GenericKD.32725701
ComodoMalware@#2drr8r5z1t4ks
F-Secure
DrWebTrojan.Siggen8.57577
VIPRETrojan.Win32.Generic!BT
Invinceaheuristic
McAfee-GW-EditionBehavesLike.Win32.ObfusRansom.hc
FireEyeGeneric.mg.dfa9a2416b38f862
SophosMal/Generic-S
SentinelOneDFI – Suspicious PE
F-ProtW32/Injector.IOP
AviraTR/Injector.knnhk
FortinetW32/Agent.F8B2!tr
Endgamemalicious (high confidence)
MicrosoftTrojan:Win32/Vigorf.A
ZoneAlarmHEUR:Trojan.Win32.Agentb.gen
AhnLab-V3Malware/Gen.RL_Generic.R299897
MAXmalware (ai score=81)
VBA32Trojan.Inject
MalwarebytesTrojan.Injector.NSIS
PandaTrj/CI.A
TrendMicro-HouseCallTROJ_FRS.VSNW13K19
YandexTrojan.Igent.bSGKvS.5
IkarusTrojan.Win32.Injector
GDataTrojan.GenericKD.32725701
AVGWin32:Trojan-gen
AvastWin32:Trojan-gen
Qihoo-360HEUR/QVM42.3.5369.Malware.Gen

How to remove Trojan:Win32/Vigorf.A virus?

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:

Download GridinSoft Anti-Malware

Run the setup file.

When setup file has finished downloading, double-click on the install-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 Trojan: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 Trojan:Win32/Vigorf.A you can always ask me in the comments for getting help.

References

  1. GridinSoft Anti-Malware Review from HowToFix site:
  2. More information about GridinSoft products: