VirTool:Win32/AutInject.CZ!bit

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

What is VirTool:Win32/AutInject.CZ!bit infection?

In this article you will locate regarding the meaning of VirTool:Win32/AutInject.CZ!bit and also its unfavorable impact on your computer. Such ransomware are a type of malware that is clarified by on the internet fraudulences to require paying the ransom by a target.

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In the majority of the cases, VirTool:Win32/AutInject.CZ!bit infection will instruct its sufferers to start funds move for the purpose of counteracting the amendments that the Trojan infection has actually introduced to the target’s tool.

VirTool:Win32/AutInject.CZ!bit Summary

These adjustments 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);
  • Presents an Authenticode digital signature;
  • 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.
  • Executed a process and injected code into it, probably while unpacking;
  • 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;
  • Anomalous binary characteristics. This is a way of hiding virus’ code from antiviruses and virus’ analysts.
  • Ciphering the documents found on the sufferer’s disk drive — so the target can no more utilize the data;
  • Preventing normal 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.

VirTool:Win32/AutInject.CZ!bit

One of the most regular channels whereby VirTool:Win32/AutInject.CZ!bit Trojans are injected are:

  • By ways of phishing e-mails;
  • As an effect of individual winding up on a resource that organizes a harmful software;

As quickly as the Trojan is efficiently infused, it will certainly either cipher the information on the sufferer’s PC or prevent the device from functioning in a proper way – while additionally placing a ransom note that mentions the demand for the targets to impact the repayment for the function of decrypting the papers or restoring the data system back to the initial problem. In the majority of instances, the ransom note will certainly come up when the client restarts the PC after the system has actually already been damaged.

VirTool:Win32/AutInject.CZ!bit circulation channels.

In different edges of the world, VirTool:Win32/AutInject.CZ!bit grows by jumps as well as bounds. Nevertheless, the ransom money notes as well as tricks of extorting the ransom money quantity may vary depending upon specific neighborhood (regional) setups. The ransom notes as well as tricks of extorting the ransom amount may vary depending on certain local (regional) settings.

Ransomware injection

As an example:

    Faulty signals regarding unlicensed software.

    In certain locations, the Trojans usually wrongfully report having actually identified some unlicensed applications made it possible for on the sufferer’s gadget. The sharp after that demands the user to pay the ransom money.

    Faulty declarations concerning illegal content.

    In nations where software program piracy is less prominent, this method is not as reliable for the cyber fraudulences. Additionally, the VirTool:Win32/AutInject.CZ!bit popup alert might wrongly claim to be originating from a police institution and also will certainly report having located youngster porn or other illegal information on the device.

    VirTool:Win32/AutInject.CZ!bit popup alert may falsely claim to be deriving from a legislation enforcement establishment as well as will report having located child porn or other unlawful data on the tool. The alert will in a similar way have a requirement for the customer to pay the ransom money.

Technical details

File Info:

crc32: 9144906B
md5: baab1a1c06675f041c525b280892b62f
name: BAAB1A1C06675F041C525B280892B62F.mlw
sha1: c366a8d457f25ababda7d1dd4d59dabfdaa4b6b5
sha256: 8480ce0c11c93d6fd3cf2353baeeee15d93968bbf6b08c511534e606056cc94b
sha512: 9da89a987aa86e02e8cb22665a5092e0cfd82f9c36bff0508478ba06e244d725f2c242291b12c3f264e60ae60e33a358981772347d55cc430ab029b0e1c0cf0f
ssdeep: 24576:KCdxte/80jYLT3U1jfsWa/gvzOX0Q5htV20WM/Q0j:Lw80cTsjkWa/TV2XA
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

Translation: 0x0809 0x04b0

VirTool:Win32/AutInject.CZ!bit also known as:

GridinSoft Trojan.Ransom.Gen
Bkav W32.AIDetect.malware1
Elastic malicious (high confidence)
MicroWorld-eScan Trojan.GenericKD.40911870
FireEye Generic.mg.baab1a1c06675f04
ALYac Trojan.GenericKD.40911870
Cylance Unsafe
Sangfor Trojan.Win32.Save.a
BitDefender Trojan.GenericKD.40911870
Cybereason malicious.c06675
Symantec ML.Attribute.HighConfidence
APEX Malicious
Avast FileRepMalware
Kaspersky Trojan-Ransom.Win32.GandCrypt.hby
Alibaba Ransom:Win32/GandCrypt.6453efa7
NANO-Antivirus Trojan.Win32.Inject.fluebt
Rising Trojan.Injector/Autoit!1.BB8F (CLASSIC)
Ad-Aware Trojan.GenericKD.40911870
Emsisoft Trojan.GenericKD.40911870 (B)
Comodo Malware@#vyc1sjj878pd
F-Secure Heuristic.HEUR/AGEN.1100031
DrWeb Trojan.Encoder.26667
TrendMicro Trojan.AutoIt.CRYPTINJECT.SMA
McAfee-GW-Edition BehavesLike.Win32.TrojanAitInject.th
Sophos Mal/Generic-S + Mal/AuItInj-A
Webroot W32.Trojan.Nymeria
Avira HEUR/AGEN.1100031
Antiy-AVL GrayWare/Autoit.ShellCode.a
Microsoft VirTool:Win32/AutInject.CZ!bit
Arcabit Trojan.Generic.D27043FE
ZoneAlarm Trojan-Ransom.Win32.GandCrypt.hby
GData Trojan.GenericKD.40911870
Cynet Malicious (score: 100)
AhnLab-V3 Trojan/Win32.Injector.R261737
McAfee Artemis!BAAB1A1C0667
VBA32 TrojanRansom.GandCrypt
Panda Trj/Genetic.gen
ESET-NOD32 multiple detections
TrendMicro-HouseCall Trojan.AutoIt.CRYPTINJECT.SMA
Tencent Win32.Trojan.Gandcrypt.Piad
Ikarus Trojan-Spy.HawkEye
Fortinet AutoIt/Injector.DWD!tr
BitDefenderTheta AI:Packer.443B9DAF17
AVG FileRepMalware
Paloalto generic.ml
CrowdStrike win/malicious_confidence_90% (D)
Qihoo-360 Win32/Ransom.GandCrab.HgIASOkA

How to remove VirTool:Win32/AutInject.CZ!bit ransomware?

Unwanted application has ofter come with other viruses and spyware. This threats can steal account credentials, or crypt your documents for ransom.
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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 VirTool:Win32/AutInject.CZ!bit 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.CZ!bit 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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