VirTool:INF/Autorun

What is VirTool:INF/Autorun infection?

In this article you will locate about the definition of VirTool:INF/Autorun as well as its adverse influence on your computer. Such ransomware are a form of malware that is specified by on-line scams to require paying the ransom money by a sufferer.

In the majority of the instances, VirTool:INF/Autorun virus will advise its targets to start funds transfer for the function of neutralizing the changes that the Trojan infection has presented to the sufferer’s device.

VirTool:INF/Autorun Summary

These alterations can be as complies with:

  • Expresses interest in specific running processes;
  • Repeatedly searches for a not-found process, may want to run with startbrowser=1 option;
  • 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.

  • Drops a binary and executes it. Trojan-Downloader installs itself to the system and waits until an Internet connection becomes available to connect to a remote server or website in order to download additional malware onto the infected computer.
  • Performs some HTTP requests;
  • 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;
  • Uses Windows utilities for basic functionality;
  • Creates or sets a registry key to a long series of bytes, possibly to store a binary or malware config;
  • 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
  • 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.
  • Attempts to modify proxy settings. This trick used for inject malware into connection between browser and server;
  • Creates a copy of itself;
  • Ciphering the documents found on the sufferer’s hard disk — so the victim can no more utilize the information;
  • Preventing routine accessibility 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.

VirTool:INF/Autorun

The most normal networks whereby VirTool:INF/Autorun Ransomware are injected are:

  • By means of phishing emails;
  • As a consequence of individual ending up on a resource that organizes a destructive software application;

As quickly as the Trojan is successfully injected, it will either cipher the information on the victim’s PC or stop the tool from working in a correct fashion – while likewise positioning a ransom money note that discusses the need for the targets to effect the settlement for the purpose of decrypting the files or recovering the data system back to the first problem. In most circumstances, the ransom note will certainly come up when the customer restarts the COMPUTER after the system has currently been harmed.

VirTool:INF/Autorun circulation networks.

In different edges of the globe, VirTool:INF/Autorun expands by leaps and also bounds. Nonetheless, the ransom notes and tricks of obtaining the ransom amount might vary depending upon particular local (local) settings. The ransom money notes and also techniques of obtaining the ransom money amount may vary depending on certain neighborhood (regional) settings.

Ransomware injection

As an example:

    Faulty notifies regarding unlicensed software.

    In certain locations, the Trojans usually wrongfully report having spotted some unlicensed applications enabled on the target’s gadget. The sharp then demands the user to pay the ransom.

    Faulty declarations concerning prohibited web content.

    In nations where software program piracy is less preferred, this approach is not as reliable for the cyber scams. Additionally, the VirTool:INF/Autorun popup alert might incorrectly declare to be stemming from a law enforcement institution and will certainly report having situated kid porn or various other unlawful data on the gadget.

    VirTool:INF/Autorun popup alert might wrongly assert to be acquiring from a legislation enforcement establishment as well as will report having situated kid pornography or other illegal information on the gadget. The alert will likewise include a requirement for the individual to pay the ransom money.

Technical details

File Info:

crc32: 24C51474md5: 52fdffd1de66f49510b37df100786f18name: 52FDFFD1DE66F49510B37DF100786F18.mlwsha1: 588d463f1670d6132fc6426f0178b77d6fe28495sha256: 1e7e9438a6b327bb365de652c94fb9aae0f95cf898605b619583a2ac101e0131sha512: 8b6661827d4e37da58b161261977e55d696d861373bb13c790d21b22bfd293071b640bd549e0027a61bb4ca4dff5246a9c51cf1ebd2d068e5e9d42873855fe3dssdeep: 12288:zozGdX0M4ornOmZIzfMwHHQmRROXKINHF6rJ4jdzDcR:z4GHnhIzOaMArJuuRtype: PE32 executable (GUI) Intel 80386, for MS Windows, UPX compressed

Version Info:

Translation: 0x0809 0x04b0

VirTool:INF/Autorun also known as:

GridinSoft Trojan.Ransom.Gen
Bkav W32.AIDetect.malware1
MicroWorld-eScan Trojan.GenericKD.4705126
FireEye Trojan.GenericKD.4705126
McAfee Artemis!52FDFFD1DE66
Cylance Unsafe
VIPRE Trojan.Win32.Generic!BT
Sangfor Trojan.Win32.Save.a
K7AntiVirus Riskware ( 0040eff71 )
BitDefender Trojan.GenericKD.4705126
K7GW Riskware ( 0040eff71 )
CrowdStrike win/malicious_confidence_80% (D)
Symantec ML.Attribute.HighConfidence
APEX Malicious
Avast AutoIt:Injector-IU [Trj]
Kaspersky Trojan-Ransom.Win32.Snocry.cxb
Alibaba Trojan:Win32/Starter.ali2000005
NANO-Antivirus Trojan.Win32.Snocry.encawq
Rising Trojan.Obfus/Autoit!1.BEDE (CLASSIC)
Ad-Aware Trojan.GenericKD.4705126
Emsisoft Trojan.GenericKD.4705126 (B)
Comodo Malware@#14pnl8fi376c0
F-Secure Heuristic.HEUR/AGEN.1102700
DrWeb Win32.HLLW.Autoruner2.28252
Zillya Trojan.Snocry.Win32.563
TrendMicro Ransom_STAMPADO.F117CU
McAfee-GW-Edition BehavesLike.Win32.TrojanAitInject.jc
Sophos ML/PE-A + Troj/Stampado-A
Ikarus Worm.Win32.FileCrypter
MaxSecure Trojan.Malware.300983.susgen
Avira HEUR/AGEN.1102700
MAX malware (ai score=81)
Antiy-AVL GrayWare/Autoit.Execute.a
Microsoft VirTool:INF/Autorun
Arcabit Trojan.Generic.D47CB66
ZoneAlarm Trojan-Ransom.Win32.Snocry.cxb
GData Trojan.GenericKD.4705126
Cynet Malicious (score: 85)
BitDefenderTheta AI:Packer.B4380A1715
ALYac Trojan.GenericKD.4705126
VBA32 TrojanRansom.Snocry
Malwarebytes Malware.Heuristic.1003
Panda Trj/CI.A
ESET-NOD32 a variant of Win32/Filecoder.Philadelphia.F
TrendMicro-HouseCall Ransom_STAMPADO.F117CU
Tencent Malware.Win32.Gencirc.10b3ba7d
eGambit Unsafe.AI_Score_82%
Fortinet AutoIt/Philadelphia.4936!tr.ransom
Webroot W32.Ransom.Gen
AVG AutoIt:Injector-IU [Trj]
Cybereason malicious.1de66f
Paloalto generic.ml
Qihoo-360 Win32/Ransom.Generic.HgIASOoA

How to remove VirTool:INF/Autorun 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 VirTool:INF/Autorun 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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