Trojan:Win32/Dofoil

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

What is Trojan:Win32/Dofoil infection?

In this article you will certainly locate about the meaning of Trojan:Win32/Dofoil and its adverse influence on your computer. Such ransomware are a form of malware that is elaborated by on the internet scams to demand paying the ransom by a sufferer.

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Most of the cases, Trojan:Win32/Dofoil virus will certainly advise its targets to launch funds move for the purpose of neutralizing the changes that the Trojan infection has actually introduced to the target’s tool.

Trojan:Win32/Dofoil 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.
  • Unconventionial language used in binary resources: Arabic (Algeria);
  • The binary likely contains encrypted or compressed data. In this case, encryption is a way of hiding virus’ code from antiviruses and virus’ analysts.
  • The executable is compressed using UPX;
  • Exhibits possible ransomware file modification behavior;
  • Creates a hidden or system file. The malware adds the hidden attribute to every file and folder on your system, so it appears as if everything has been deleted from your hard drive.
  • 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.
  • Checks the CPU name from registry, possibly for anti-virtualization;
  • Ciphering the documents situated on the victim’s hard disk drive — so the victim can no more utilize the information;
  • Preventing routine 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.

Trojan:Win32/Dofoil

One of the most normal channels where Trojan:Win32/Dofoil Trojans are injected are:

  • By means of phishing e-mails;
  • As a consequence of user ending up on a resource that organizes a harmful software application;

As quickly as the Trojan is effectively injected, it will certainly either cipher the data on the victim’s PC or prevent the gadget from functioning in an appropriate way – while additionally positioning a ransom note that points out the need for the targets to impact the repayment for the function of decrypting the records or restoring the data system back to the initial condition. In a lot of instances, the ransom money note will certainly show up when the customer restarts the COMPUTER after the system has actually currently been damaged.

Trojan:Win32/Dofoil circulation channels.

In different corners of the world, Trojan:Win32/Dofoil expands by jumps as well as bounds. However, the ransom money notes and also methods of extorting the ransom amount may differ depending upon particular regional (local) setups. The ransom notes and also tricks of obtaining the ransom money amount may differ depending on particular local (local) settings.

Ransomware injection

For example:

    Faulty notifies concerning unlicensed software program.

    In specific locations, the Trojans frequently wrongfully report having actually found some unlicensed applications made it possible for on the target’s gadget. The sharp then requires the customer to pay the ransom money.

    Faulty statements regarding illegal content.

    In countries where software piracy is less popular, this approach is not as effective for the cyber frauds. Additionally, the Trojan:Win32/Dofoil popup alert might wrongly claim to be stemming from a police institution and also will report having situated youngster pornography or various other illegal data on the device.

    Trojan:Win32/Dofoil popup alert may wrongly assert to be obtaining from a regulation enforcement establishment as well as will certainly report having located youngster pornography or various other illegal information on the gadget. The alert will in a similar way have a need for the individual to pay the ransom.

Technical details

File Info:

crc32: D2A49367
md5: 6619054bcbafbf200c6f3c92dd1e0db1
name: 6619054BCBAFBF200C6F3C92DD1E0DB1.mlw
sha1: 46a10bbe85c81ad34967a94ac73af23e163cafd2
sha256: cf0b8889ee8f4171fb9a80e9d34c4db9cf72f5e05d9f8c5418c82a98ec34eeb9
sha512: 794f532f55d8d42914c6068a5cc30a3198dd5cfdc1e0e176e193f3ac017ebeeb65bfad02f8bb5a38ca203a8d80bd30a30669e1bda02d5602bf00722c56f15364
ssdeep: 6144:gNiUH2pWLwsVUk5/y3s/s+BY7dYcDe6V:CLe9sVUaPgm
type: PE32 executable (GUI) Intel 80386, for MS Windows, UPX compressed

Version Info:

0: [No Data]

Trojan:Win32/Dofoil also known as:

GridinSoftTrojan.Ransom.Gen
BkavW32.AIDetect.malware1
K7AntiVirusTrojan ( 0054b2d01 )
Elasticmalicious (high confidence)
DrWebTrojan.PWS.Stealer.25468
CynetMalicious (score: 100)
ALYacTrojan.Ransom.GandCrab
CylanceUnsafe
SangforTrojan.Win32.Save.a
CrowdStrikewin/malicious_confidence_80% (D)
AlibabaRansom:Win32/GandCrypt.9d4d25f8
K7GWTrojan ( 0054b2d01 )
Cybereasonmalicious.bcbafb
SymantecPacked.Generic.525
ESET-NOD32a variant of Win32/Kryptik.GRNA
APEXMalicious
AvastWin32:Malware-gen
ClamAVWin.Packed.addsub-6961201-1
KasperskyTrojan-Ransom.Win32.GandCrypt.ijq
BitDefenderGen:Heur.Mint.Dreidel.mmGfxegRdZmK
NANO-AntivirusTrojan.Win32.Crypmod.fotmhw
MicroWorld-eScanGen:Heur.Mint.Dreidel.mmGfxegRdZmK
TencentWin32.Trojan.Gandcrypt.Wmiz
Ad-AwareGen:Heur.Mint.Dreidel.mmGfxegRdZmK
SophosMal/Generic-R + Troj/GandKrb-Q
ComodoTrojWare.Win32.Azden.NA@83kskz
BitDefenderThetaGen:NN.ZexaF.34684.mmGfaegRdZmK
TrendMicroRansom.Win32.GANDCRAB.TIOIBOCA
McAfee-GW-EditionBehavesLike.Win32.Generic.cc
FireEyeGeneric.mg.6619054bcbafbf20
EmsisoftGen:Heur.Mint.Dreidel.mmGfxegRdZmK (B)
SentinelOneStatic AI – Malicious PE
JiangminTrojan.GandCrypt.yk
AviraTR/Crypt.XPACK.Gen
eGambitUnsafe.AI_Score_99%
MicrosoftTrojan:Win32/Dofoil
AegisLabTrojan.Win32.GandCrypt.H!c
GDataGen:Heur.Mint.Dreidel.mmGfxegRdZmK
AhnLab-V3Trojan/Win32.ParadiseRansom.R261523
Acronissuspicious
McAfeeArtemis!6619054BCBAF
VBA32BScope.Trojan.Azden
MalwarebytesTrojan.MalPack.GS.Generic
PandaTrj/Genetic.gen
TrendMicro-HouseCallRansom.Win32.GANDCRAB.TIOIBOCA
RisingRansom.GandCrypt!8.F33E (CLOUD)
YandexTrojan.Crypmod!kmF61t7F0Q4
IkarusPacked.Win32.Crypt
FortinetW32/Kryptik.GRUH!tr
AVGWin32:Malware-gen
Paloaltogeneric.ml

How to remove Trojan:Win32/Dofoil 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 Trojan:Win32/Dofoil 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 Trojan:Win32/Dofoil 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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