TrojanSpy:Win32/Vigorf.A

What is TrojanSpy:Win32/Vigorf.A infection?

In this article you will certainly discover about the interpretation of TrojanSpy:Win32/Vigorf.A and also its adverse influence on your computer. Such ransomware are a form of malware that is clarified by on the internet scams to require paying the ransom by a sufferer.

Most of the instances, TrojanSpy:Win32/Vigorf.A infection will instruct its victims to launch funds move for the purpose of neutralizing the modifications that the Trojan infection has presented to the target’s device.

TrojanSpy:Win32/Vigorf.A Summary

These alterations can be as follows:

  • 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.
  • Performs some HTTP requests;
  • Unconventionial language used in binary resources: Chinese (Simplified);
  • The binary likely contains encrypted or compressed data. In this case, encryption is a way of hiding virus’ code from antiviruses and virus’ analysts.
  • Deletes its original binary from disk;
  • A process attempted to delay the analysis task by a long amount of time.;
  • Installs itself for autorun at Windows startup. There is simple tactic using the Windows startup folder located at:
    C:\Users\[user-name]\AppData\Roaming\Microsoft\Windows\StartMenu\Programs\Startup. Shortcut links (.lnk extension) placed in this folder will cause Windows to launch the application each time [user-name] logs into Windows.

    The registry run keys perform the same action, and can be located in different locations:

    • HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\Run
    • HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run
    • HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\RunOnce
    • HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\RunOnce
  • Attempts to modify proxy settings. This trick used for inject malware into connection between browser and server;
  • Anomalous binary characteristics. This is a way of hiding virus’ code from antiviruses and virus’ analysts.
  • Ciphering the files located on the sufferer’s disk drive — so the sufferer can no longer make use of the information;
  • Preventing routine 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
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TrojanSpy:Win32/Vigorf.A

One of the most common channels where TrojanSpy:Win32/Vigorf.A Trojans are injected are:

  • By means of phishing emails;
  • As a repercussion of individual winding up on a source that holds a malicious software application;

As quickly as the Trojan is effectively infused, it will either cipher the data on the target’s PC or avoid the gadget from working in a correct manner – while likewise positioning a ransom money note that points out the need for the targets to impact the payment for the objective of decrypting the records or bring back the file system back to the preliminary problem. In a lot of instances, the ransom money note will certainly show up when the client restarts the PC after the system has actually already been harmed.

TrojanSpy:Win32/Vigorf.A circulation networks.

In different edges of the world, TrojanSpy:Win32/Vigorf.A grows by leaps and also bounds. However, the ransom notes and techniques of extorting the ransom money quantity might vary depending on particular local (regional) setups. The ransom money notes and also methods of extorting the ransom amount may vary depending on specific regional (local) setups.

Ransomware injection

For instance:

    Faulty signals about unlicensed software program.

    In particular locations, the Trojans commonly wrongfully report having actually detected some unlicensed applications made it possible for on the sufferer’s gadget. The alert then requires the user to pay the ransom.

    Faulty statements concerning illegal content.

    In countries where software program piracy is less popular, this method is not as reliable for the cyber scams. Conversely, the TrojanSpy:Win32/Vigorf.A popup alert might wrongly declare to be deriving from a police organization as well as will report having located kid porn or other illegal information on the gadget.

    TrojanSpy:Win32/Vigorf.A popup alert may wrongly claim to be deriving from a law enforcement institution and also will certainly report having situated kid porn or other illegal information on the gadget. The alert will likewise have a need for the individual to pay the ransom money.

Technical details

File Info:

crc32: 7D393B76md5: f4aec740d3804cf861d32b8c01ca7393name: F4AEC740D3804CF861D32B8C01CA7393.mlwsha1: e41da234ec849779382c39d9ddbe8d785d9f3f25sha256: 244214b0d108e02493fab52a819e581925d7083dac9d82b2ca3133d7d363a47bsha512: fb7983ae043585d7b0d277c973cdfd83f0ed7b6fcb2d6a186d675f9289e0bf17e3d5a16024f9e31de127d0b365e6bb3822ee7c0c9a91f2f67964d9256569adabssdeep: 1536:UAQ7CjRvKWe/ZA7psOYygg7o76pOIzT6RsOnBhE:PT91AZA1sqTpOoT3Ehtype: PE32 executable (GUI) Intel 80386, for MS Windows, PECompact2 compressed

Version Info:

0: [No Data]

TrojanSpy:Win32/Vigorf.A also known as:

GridinSoft Trojan.Ransom.Gen
Bkav W32.AIDetect.malware2
K7AntiVirus Spyware ( 0055e3db1 )
Elastic malicious (high confidence)
DrWeb Trojan.DownLoader9.46293
Cynet Malicious (score: 100)
ALYac Gen:Variant.Barys.117062
Cylance Unsafe
Zillya Trojan.Blocker.Win32.24800
Sangfor Trojan.Win32.Save.a
Alibaba TrojanSpy:Win32/Aibatook.4bba6bb3
K7GW Spyware ( 0055e3db1 )
Cybereason malicious.0d3804
Cyren W32/Trojan.KRJP-2292
Symantec ML.Attribute.HighConfidence
ESET-NOD32 a variant of Win32/Spy.Aibatook.G
APEX Malicious
Avast Win32:Malware-gen
Kaspersky Trojan-Ransom.Win32.Blocker.eabq
BitDefender Gen:Variant.Barys.117062
NANO-Antivirus Trojan.Win32.Delphi.cxqpep
MicroWorld-eScan Gen:Variant.Barys.117062
Tencent Win32.Trojan.Blocker.Ednq
Ad-Aware Gen:Variant.Barys.117062
Sophos Mal/Generic-R + Mal/Behav-214
Comodo TrojWare.Win32.TrojanDownloader.Agent.cdqsj@1wqmzx
BitDefenderTheta Gen:NN.ZexaF.34688.eiWaaGnZGbbb
VIPRE Trojan.Win32.Generic!BT
TrendMicro TROJ_RANSOM.AP
McAfee-GW-Edition BehavesLike.Win32.Generic.lc
FireEye Generic.mg.f4aec740d3804cf8
Emsisoft Gen:Variant.Barys.117062 (B)
Webroot W32.Malware.Gen
Avira TR/Dldr.Delphi.Gen
eGambit Generic.Dropper
Kingsoft Win32.Troj.Undef.(kcloud)
Microsoft TrojanSpy:Win32/Vigorf.A
Arcabit Trojan.Barys.D1C946
AegisLab Trojan.Win32.Blocker.j!c
ZoneAlarm Trojan-Ransom.Win32.Blocker.eabq
GData Gen:Variant.Barys.117062
AhnLab-V3 Trojan/Win32.Hupigon.C258856
McAfee Artemis!F4AEC740D380
MAX malware (ai score=100)
VBA32 Hoax.Blocker
Panda Trj/CI.A
TrendMicro-HouseCall TROJ_RANSOM.AP
Rising Ransom.Blocker!8.12A (CLOUD)
Ikarus Trojan.Win32.VBKrypt
MaxSecure Trojan.Malware.300983.susgen
Fortinet W32/Magania.IDPJ!tr
AVG Win32:Malware-gen
Paloalto generic.ml

How to remove TrojanSpy: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

Run the setup file.

Run Setup.exe
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 Scanning

Click on “Clean Now”.

GridinSoft Anti-Malware Scan Result

Are Your Protected?

Full version of GridinSoft

If the guide doesn’t help you to remove TrojanSpy:Win32/Vigorf.A you can always ask me in the comments for getting help.

References

    About the author

    Robert Bailey

    Security engineer focused on malware behavior, removal workflows, and Windows hardening. Robert reviews threat articles for practical accuracy, checking detection names, symptoms, and cleanup steps before publication.

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