Trojan.Downloader.Dofoil

Written by Robert Bailey

What is Trojan.Downloader.Dofoil infection?

In this post you will locate concerning the definition of Trojan.Downloader.Dofoil as well as its unfavorable impact on your computer system. Such ransomware are a form of malware that is elaborated by on-line scams to demand paying the ransom money by a target.

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In the majority of the situations, Trojan.Downloader.Dofoil ransomware will advise its sufferers to launch funds transfer for the function of reducing the effects of the changes that the Trojan infection has presented to the target’s tool.

Trojan.Downloader.Dofoil Summary

These modifications can be as adheres to:

  • Executable code extraction;
  • Attempts to connect to a dead IP:Port (3 unique times);
  • Creates RWX memory;
  • A process attempted to delay the analysis task.;
  • Repeatedly searches for a not-found process, may want to run with startbrowser=1 option;
  • Drops a binary and executes it;
  • Performs some HTTP requests;
  • The binary likely contains encrypted or compressed data.;
  • Detects Sandboxie through the presence of a library;
  • Deletes its original binary from disk;
  • Attempts to remove evidence of file being downloaded from the Internet;
  • Creates or sets a registry key to a long series of bytes, possibly to store a binary or malware config;
  • A system process is generating network traffic likely as a result of process injection;
  • Installs itself for autorun at Windows startup;
  • Creates a hidden or system file;
  • Checks the presence of disk drives in the registry, possibly for anti-virtualization;
  • Creates a copy of itself;
  • Anomalous binary characteristics;
  • Ciphering the documents situated on the target’s hard disk drive — so the sufferer can no more make use of the data;
  • Preventing regular access to the target’s workstation;

Related domains:

j5cool.xyz BehavesLike.Win32.VirRansom.nc
redirector.gvt1.com BehavesLike.Win32.VirRansom.nc
r5—sn-4g5e6nsk.gvt1.com BehavesLike.Win32.VirRansom.nc

Trojan.Downloader.Dofoil

One of the most typical networks through which Trojan.Downloader.Dofoil Trojans are infused are:

  • By means of phishing e-mails;
  • As a repercussion of individual winding up on a resource that organizes a malicious software application;

As quickly as the Trojan is effectively injected, it will certainly either cipher the information on the sufferer’s PC or avoid the gadget from operating in a correct way – while additionally putting a ransom money note that discusses the need for the sufferers to impact the repayment for the function of decrypting the papers or recovering the file system back to the initial problem. In a lot of instances, the ransom note will certainly come up when the client reboots the PC after the system has actually currently been damaged.

Trojan.Downloader.Dofoil distribution networks.

In numerous corners of the globe, Trojan.Downloader.Dofoil grows by jumps and bounds. Nevertheless, the ransom notes as well as tricks of extorting the ransom amount may vary depending on particular neighborhood (local) setups. The ransom money notes as well as methods of extorting the ransom amount may differ depending on certain regional (regional) setups.

Ransomware injection

For instance:

    Faulty alerts about unlicensed software program.

    In particular locations, the Trojans frequently wrongfully report having identified some unlicensed applications allowed on the victim’s tool. The alert after that requires the customer to pay the ransom.

    Faulty declarations about prohibited content.

    In countries where software program piracy is less preferred, this method is not as reliable for the cyber frauds. Additionally, the Trojan.Downloader.Dofoil popup alert might falsely assert to be deriving from a law enforcement establishment and will certainly report having situated child porn or other illegal information on the tool.

    Trojan.Downloader.Dofoil popup alert may wrongly declare to be obtaining from a regulation enforcement establishment as well as will report having situated kid porn or other prohibited information on the tool. The alert will likewise have a requirement for the customer to pay the ransom money.

Technical details

File Info:

crc32: BBB76C1D
md5: 2a6734d4d4ba9290ff3309cf6c3275f1
name: wp.exe
sha1: 29b9e9d65275cad1b4b099d92c61a27d2c1b0b7f
sha256: 08f442c4d7bcbbfbed9cf39ed382529fdb1368f2cd8e8d88d39a987b566b705a
sha512: a6db8c638c630673c784da54b67affffa1974e1b6d5d6217cc5964ccf0d03e8460b1c0d52293141fb2237a2c227726e20fae793c78534fe2da46dbf347fa07fe
ssdeep: 768:FrqQ7AmV3rjBkyo1bJke8K9KWowCtwTx93FASDp3jVrzZVv:F33kNBowvF91AcrzZV
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

0: [No Data]

Trojan.Downloader.Dofoil also known as:

GridinSoft Trojan.Ransom.Gen
DrWeb Trojan.PWS.Spy.21017
MicroWorld-eScan Gen:Variant.Ulise.93341
FireEye Generic.mg.2a6734d4d4ba9290
CAT-QuickHeal Trojan.Generic
Qihoo-360 Generic/HEUR/QVM19.1.C7DD.Malware.Gen
ALYac Trojan.Downloader.Dofoil.gen
Cylance Unsafe
AegisLab Trojan.Win32.Generic.4!c
Sangfor Malware
K7AntiVirus Trojan-Downloader ( 0052c9d61 )
BitDefender Gen:Variant.Ulise.93341
K7GW Trojan-Downloader ( 0052c9d61 )
Cybereason malicious.4d4ba9
TrendMicro Trojan.Win32.ZURGOP.SM
BitDefenderTheta AI:Packer.EB5DFF611E
Cyren W32/Dofoil.H.gen!Eldorado
Symantec Trojan.Gen.MBT
APEX Malicious
Avast Win32:Malware-gen
GData Gen:Variant.Ulise.93341
Kaspersky HEUR:Trojan.Win32.Generic
Alibaba TrojanDownloader:Win32/Zurgop.ed61c714
NANO-Antivirus Trojan.Win32.Zurgop.fednlb
ViRobot Trojan.Win32.S.Agent.33280.AHL
Rising Downloader.Zurgop!8.4BB (CLOUD)
Ad-Aware Gen:Variant.Ulise.93341
Sophos Mal/Behav-204
Comodo Malware@#3oz2yeh9c90gi
F-Secure Trojan.TR/Crypt.XPACK.Gen
VIPRE Trojan.Win32.Winwebsec.m (v)
Invincea heuristic
McAfee-GW-Edition BehavesLike.Win32.VirRansom.nc
Trapmine malicious.high.ml.score
Emsisoft Gen:Variant.Ulise.93341 (B)
Ikarus Trojan-Downloader.Win32.Dofoil
F-Prot W32/Dofoil.H.gen!Eldorado
Jiangmin Trojan.Generic.cspjr
Webroot W32.Trojan.Gen
Avira TR/Crypt.XPACK.Gen
Endgame malicious (high confidence)
Arcabit Trojan.Ulise.D16C9D
ZoneAlarm HEUR:Trojan.Win32.Generic
Microsoft TrojanDownloader:Win32/Dofoil.AD
AhnLab-V3 Trojan/Win32.Dofoil.R223509
Acronis suspicious
McAfee GenericRXGK-YC!2A6734D4D4BA
MAX malware (ai score=100)
VBA32 TScope.Malware-Cryptor.SB
Malwarebytes Trojan.Agent
Panda Trj/CI.A
ESET-NOD32 a variant of Win32/TrojanDownloader.Zurgop.DA
TrendMicro-HouseCall Trojan.Win32.ZURGOP.SM
Tencent Win32.Trojan.Generic.Hrzb
SentinelOne DFI – Malicious PE
eGambit Unsafe.AI_Score_100%
Fortinet W32/Zurgop.DA!tr
AVG Win32:Malware-gen
Paloalto generic.ml
CrowdStrike win/malicious_confidence_100% (W)
MaxSecure Trojan.Malware.7164915.susgen

How to remove Trojan.Downloader.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.Downloader.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.Downloader.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: http://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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