VirTool:Win32/AutInject.CH

Written by Robert Bailey

What is VirTool:Win32/AutInject.CH infection?

In this post you will locate regarding the definition of VirTool:Win32/AutInject.CH as well as its negative influence on your computer. Such ransomware are a type of malware that is elaborated by online frauds to require paying the ransom by a sufferer.

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Most of the instances, VirTool:Win32/AutInject.CH ransomware will instruct its sufferers to launch funds move for the purpose of reducing the effects of the modifications that the Trojan infection has introduced to the target’s gadget.

VirTool:Win32/AutInject.CH Summary

These alterations can be as adheres to:

  • 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.
  • Injection (inter-process);
  • Injection (Process Hollowing);
  • 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.
  • Expresses interest in specific running processes;
  • 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.

  • A process created a hidden window;
  • 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.
  • HTTP traffic contains suspicious features which may be indicative of malware related traffic;
  • Performs some HTTP requests;
  • Executed a process and injected code into it, probably while unpacking;
  • 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 copy of itself;
  • Ciphering the files located on the victim’s disk drive — so the sufferer can no longer make use of the information;
  • Preventing regular access to the sufferer’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:Win32/AutInject.CH

The most common networks through which VirTool:Win32/AutInject.CH Trojans are infused are:

  • By methods of phishing emails;
  • As a consequence of user ending up on a source that holds a destructive software application;

As quickly as the Trojan is effectively injected, it will certainly either cipher the information on the sufferer’s PC or protect against the device from functioning in a correct manner – while also placing a ransom money note that points out the demand for the victims to effect the payment for the function of decrypting the files or restoring the documents system back to the preliminary problem. In the majority of circumstances, the ransom note will certainly turn up when the customer restarts the PC after the system has actually currently been harmed.

VirTool:Win32/AutInject.CH circulation networks.

In different corners of the world, VirTool:Win32/AutInject.CH grows by leaps as well as bounds. Nonetheless, the ransom notes and methods of extorting the ransom money amount might differ depending on specific neighborhood (local) settings. The ransom notes and also techniques of extorting the ransom money quantity may vary depending on specific neighborhood (regional) setups.

Ransomware injection

As an example:

    Faulty informs concerning unlicensed software.

    In specific locations, the Trojans often wrongfully report having actually found some unlicensed applications enabled on the victim’s device. The sharp then demands the individual to pay the ransom money.

    Faulty statements about prohibited web content.

    In nations where software piracy is much less preferred, this approach is not as reliable for the cyber frauds. Alternatively, the VirTool:Win32/AutInject.CH popup alert might incorrectly claim to be originating from a police institution and also will report having located kid porn or other unlawful information on the gadget.

    VirTool:Win32/AutInject.CH popup alert may wrongly assert to be deriving from a legislation enforcement establishment as well as will report having located kid porn or other illegal information on the device. The alert will in a similar way consist of a demand for the user to pay the ransom.

Technical details

File Info:

crc32: 2B47036E
md5: 96d8fc3bdfcd331e4b8b3ea21dbf3314
name: 96D8FC3BDFCD331E4B8B3EA21DBF3314.mlw
sha1: e0b5568abd96633e5856fc7c9d35f1de91a1bb93
sha256: dd649eba8a89493a3679494c88fbe8524ee8bb685d283f4d8b88552803e7bedb
sha512: 9d8a98283617583dabfd77af1db3a03b94c3f4e851858f7141d04edab2bcf87a9d73a3b2111a5725b79b7076f64bf222a412630663d17b361f57845e15bea758
ssdeep: 24576:hpo/2+ttPJLfpRK+QsjXkKh0RUn5/badNIGCyUhJN98LSBUg1Ulvg/NgbKcyzd:ge2PJLa+QSveM+dNITLhaLSV6lvg/UCB
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

Translation: 0x0000 0x04b0
LegalCopyright:
Assembly Version: 0.0.0.0
InternalName: 6779.exe
FileVersion: 0.0.0.0
ProductVersion: 0.0.0.0
FileDescription:
OriginalFilename: 6779.exe

VirTool:Win32/AutInject.CH also known as:

GridinSoft Trojan.Ransom.Gen
Bkav W32.AIDetectVM.malware1
Elastic malicious (high confidence)
MicroWorld-eScan Trojan.Generic.20391158
FireEye Generic.mg.96d8fc3bdfcd331e
Qihoo-360 Win32/Trojan.Ransom.114
McAfee Artemis!96D8FC3BDFCD
Cylance Unsafe
VIPRE Trojan.Win32.Generic!BT
Sangfor Malware
K7AntiVirus Trojan ( 0055e3df1 )
BitDefender Trojan.Generic.20391158
K7GW Trojan ( 0055e3df1 )
Cybereason malicious.bdfcd3
BitDefenderTheta AI:Packer.EB725A4317
Cyren W32/Trojan.MQTJ-5716
Symantec Trojan.Gen
ESET-NOD32 multiple detections
APEX Malicious
Avast Win32:Malware-gen
ClamAV Win.Trojan.Autoit-6922942-0
Kaspersky Trojan-Ransom.Win32.AutoIt.vrh
NANO-Antivirus Trojan.Win32.Autoit.dyzhxe
Ad-Aware Trojan.Generic.20391158
Sophos Mal/Generic-S
Comodo Malware@#3dp8rqal4ys81
F-Secure Heuristic.HEUR/AGEN.1105073
Baidu Multi.Threats.InArchive
TrendMicro TROJ_NANCRAT.SM
McAfee-GW-Edition BehavesLike.Win32.TrojanAitInject.tc
Emsisoft Trojan.Generic.20391158 (B)
Avira HEUR/AGEN.1105073
Kingsoft Win32.Troj.Undef.(kcloud)
Microsoft VirTool:Win32/AutInject.CH
Arcabit Trojan.Generic.D13724F6
ZoneAlarm Trojan-Ransom.Win32.AutoIt.vrh
GData Trojan.Generic.20391158
Cynet Malicious (score: 100)
ALYac Trojan.Generic.20391158
MAX malware (ai score=82)
Malwarebytes Trojan.InfoStealer
Panda Trj/CI.A
TrendMicro-HouseCall TROJ_NANCRAT.SM
Tencent Win32.Trojan.Autoit.Hvsy
Ikarus Trojan.Win32.Injector
Fortinet W32/Autoit.BYU!tr
AVG Win32:Malware-gen
Paloalto generic.ml
CrowdStrike win/malicious_confidence_60% (D)
MaxSecure Worm.Win32.AutoIt.QN

How to remove VirTool:Win32/AutInject.CH ransomware?

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

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:

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 VirTool:Win32/AutInject.CH 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 VirTool:Win32/AutInject.CH 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/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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