Win32/Injector.AHTZ

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

What is Win32/Injector.AHTZ infection?

In this article you will find regarding the definition of Win32/Injector.AHTZ and its negative impact on your computer system. Such ransomware are a form of malware that is specified by on-line frauds to demand paying the ransom money by a sufferer.

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In the majority of the situations, Win32/Injector.AHTZ ransomware will advise its victims to initiate funds move for the purpose of counteracting the amendments that the Trojan infection has introduced to the victim’s tool.

Win32/Injector.AHTZ Summary

These adjustments can be as follows:

  • 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.
  • Possible date expiration check, exits too soon after checking local time;
  • 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.
  • Unconventionial language used in binary resources: Russian;
  • Executed a process and injected code into it, probably while unpacking;
  • Likely installs a bootkit via raw harddisk modifications;
  • Deletes its original binary from disk;
  • Attempts to restart the guest VM;
  • 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.
  • Creates a copy of itself;
  • Ciphering the files situated on the sufferer’s hard drive — so the sufferer can no more utilize the information;
  • Preventing regular 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.

Win32/Injector.AHTZ

The most normal channels through which Win32/Injector.AHTZ Ransomware Trojans are injected are:

  • By means of phishing e-mails;
  • As a consequence of individual winding up on a source that holds a destructive software program;

As quickly as the Trojan is successfully injected, it will certainly either cipher the information on the victim’s PC or prevent the tool from operating in an appropriate way – while likewise positioning a ransom note that points out the requirement for the targets to effect the payment for the purpose of decrypting the records or restoring the data system back to the preliminary condition. In a lot of circumstances, the ransom note will turn up when the client reboots the COMPUTER after the system has already been harmed.

Win32/Injector.AHTZ distribution networks.

In numerous edges of the world, Win32/Injector.AHTZ expands by jumps and bounds. Nonetheless, the ransom notes and also techniques of obtaining the ransom money quantity may vary depending on certain neighborhood (regional) setups. The ransom notes as well as techniques of obtaining the ransom money quantity may vary depending on particular neighborhood (regional) settings.

Ransomware injection

As an example:

    Faulty signals regarding unlicensed software application.

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

    Faulty statements regarding illegal content.

    In countries where software piracy is much less prominent, this approach is not as efficient for the cyber frauds. Additionally, the Win32/Injector.AHTZ popup alert might falsely assert to be stemming from a police organization and also will report having located kid pornography or other unlawful information on the gadget.

    Win32/Injector.AHTZ popup alert may wrongly claim to be obtaining from a regulation enforcement institution and also will certainly report having situated youngster porn or other illegal information on the gadget. The alert will likewise contain a demand for the individual to pay the ransom money.

Technical details

File Info:

crc32: 54A49CAE
md5: 9bd274b54608b08f8117fb39f02a18da
name: 9BD274B54608B08F8117FB39F02A18DA.mlw
sha1: 555a9b59e1f6b8f48cb66ef471a93fe771fac556
sha256: 4f43253ad1b42551a0cec73abb2809da3d0ea59a2dfa4d996ed86538ac07baba
sha512: f71ec65ec0069fe800baf30e60fc5053c2879a81c1ecd96a4c5cc78629baf54a70f47b8ccb02e1b726d8c989cd425404ed3f6b88c74b4f5780239a143fcdc24a
ssdeep: 6144:0LcVFSb35SWq35UOLYTS9m87waYyyx8+wo:Mcq3oWqJ1YTS93C6Y
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

LegalCopyright:
InternalName:
FileVersion:
CompanyName:
LegalTrademarks:
ProductName:
ProductVersion:
FileDescription:
Translation: 0x0409 0x04e4

Win32/Injector.AHTZ also known as:

GridinSoft Trojan.Ransom.Gen
Bkav W32.AIDetect.malware2
Elastic malicious (high confidence)
FireEye Generic.mg.9bd274b54608b08f
McAfee Artemis!9BD274B54608
Cylance Unsafe
VIPRE Trojan.Win32.Generic!BT
Sangfor Trojan.Win32.Save.a
K7AntiVirus Trojan ( 0055e3991 )
K7GW Trojan ( 0055e3991 )
Cybereason malicious.9e1f6b
Symantec ML.Attribute.HighConfidence
APEX Malicious
Avast Win32:Malware-gen
Kaspersky Trojan-Ransom.Win32.PornoAsset.cvqu
Alibaba Ransom:Win32/PornoAsset.541a22c7
NANO-Antivirus Trojan.Win32.MBRlock.ecmqsg
AegisLab Trojan.Win32.Generic.llKA
Rising Ransom.Genasom!8.293 (C64:YzY0OlBSK4g6lwdl)
F-Secure Dropper.DR/Delphi.Gen
DrWeb Trojan.MBRlock.6
Zillya Trojan.Injector.Win32.446115
McAfee-GW-Edition BehavesLike.Win32.Worm.dh
Sophos Mal/Generic-S
Avira DR/Delphi.Gen
Antiy-AVL Trojan[Ransom]/Win32.PornoAsset
Kingsoft Win32.Troj.Undef.(kcloud)
Microsoft Ransom:Win32/Genasom.JJ
ZoneAlarm Trojan-Ransom.Win32.PornoAsset.cvqu
Cynet Malicious (score: 100)
BitDefenderTheta Gen:NN.ZelphiF.34590.nG0@aqw1x5dk
MAX malware (ai score=98)
VBA32 BScope.Adware.Softpulse
Malwarebytes Malware.Heuristic.1006
Panda Trj/CI.A
ESET-NOD32 a variant of Win32/Injector.AHTZ
Tencent Win32.Trojan.Pornoasset.Hxpy
Yandex Trojan.GenAsa!YaGsOVj2Iu0
Ikarus Virus.Win32.DelfInject
eGambit Generic.Malware
Fortinet W32/Injector.fam!tr
AVG Win32:Malware-gen
Paloalto generic.ml
Qihoo-360 Win32/Trojan.Ransom.d7b

How to remove Win32/Injector.AHTZ virus?

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 Win32/Injector.AHTZ 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 Win32/Injector.AHTZ 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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