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

What is Trojan.Win32.AntiAV.czfz infection?

In this article you will discover concerning the meaning of Trojan.Win32.AntiAV.czfz and also its negative influence on your computer system. Such ransomware are a kind of malware that is elaborated by online frauds to demand paying the ransom money by a target.

GridinSoft Anti-Malware Review
It is better to prevent, than repair and repent!
When we talk about the intrusion of unfamiliar programs into your computer’s work, the proverb “Forewarned is forearmed” describes the situation as accurately as possible. Gridinsoft Anti-Malware is exactly the tool that is always useful to have in your armory: fast, efficient, up-to-date. It is appropriate to use it as an emergency help at the slightest suspicion of infection.
Gridinsoft Anti-Malware 6-day trial available.
EULA | Privacy Policy | 10% Off Coupon
Subscribe to our Telegram channel to be the first to know about news and our exclusive materials on information security.

In the majority of the situations, Trojan.Win32.AntiAV.czfz virus will certainly instruct its victims to start funds transfer for the purpose of counteracting the changes that the Trojan infection has actually introduced to the victim’s gadget.

Trojan.Win32.AntiAV.czfz 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.
  • 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.
  • A process attempted to delay the analysis task.;
  • Unconventionial binary language: Russian;
  • 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;
  • Anomalous binary characteristics. This is a way of hiding virus’ code from antiviruses and virus’ analysts.
  • Ciphering the files located on the victim’s disk drive — so the victim can no more make use of the data;
  • Preventing normal accessibility 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.


The most typical channels through which Trojan.Win32.AntiAV.czfz are infused are:

  • By methods of phishing e-mails. Email phishing is a cyber attack that uses disguised email as a goal is to trick the recipient into believing that the message is something they want or need — a request from their bank, for instance, or a note from someone in their company — and to click a link for download a malware.
  • As an effect of user winding up on a source that organizes a malicious software;

As soon as the Trojan is effectively injected, it will either cipher the information on the target’s PC or prevent the gadget from operating in a correct manner – while additionally positioning a ransom money note that mentions the need for the sufferers to effect the repayment for the objective of decrypting the files or recovering the file system back to the initial condition. In a lot of instances, the ransom note will certainly come up when the customer reboots the PC after the system has already been damaged.

Trojan.Win32.AntiAV.czfz distribution channels.

In various edges of the world, Trojan.Win32.AntiAV.czfz grows by leaps and bounds. However, the ransom money notes as well as techniques of extorting the ransom amount may vary depending on specific neighborhood (regional) settings. The ransom notes as well as tricks of extorting the ransom quantity might differ depending on certain local (regional) setups.

Ransomware injection

For example:

    Faulty alerts concerning unlicensed software.

    In particular areas, the Trojans often wrongfully report having discovered some unlicensed applications enabled on the target’s device. The alert after that demands the individual to pay the ransom.

    Faulty statements regarding unlawful material.

    In nations where software piracy is much less preferred, this approach is not as effective for the cyber fraudulences. Additionally, the Trojan.Win32.AntiAV.czfz popup alert might falsely assert to be stemming from a law enforcement establishment and also will certainly report having located youngster pornography or various other unlawful information on the tool.

    Trojan.Win32.AntiAV.czfz popup alert may wrongly declare to be acquiring from a regulation enforcement institution and will report having situated youngster porn or other unlawful data on the device. The alert will similarly contain a need for the individual to pay the ransom.

Technical details

File Info:

crc32: E1F12E5E
md5: 68b98acaa582b8ac688857b89f447508
name: 68B98ACAA582B8AC688857B89F447508.mlw
sha1: e55195cf53e4262d8d8cc96ba9bf034b35110928
sha256: 90eab2febe85cf7fdb176b44081b9e30cf64c59569f7b2122ca3418ac1ac0aa5
sha512: 3387ad7126ebf6d983cc8539db181ff8a5a4bd74615bc5c6c3993998bd08fa35380e7fa247c737acea1cfb1afe3519d29ae1537d4b559ffd022d9eca23fdde13
ssdeep: 98304:lAmc+eHi64RBGM5Myg4fK7Ztp/S/MlwPcy+4f+9s60UC/77TNx7htd7fpgsC5AH:lW3SjDqwY6RNx7hvpUSyiwIj
type: PE32 executable (GUI) Intel 80386, for MS Windows, UPX compressed

Version Info:

InternalSurname: reboot.exe
Product: 1.7.6
LegalCo: Copyri (C) 2019, matriz
Translation: 0x0419 0x011f

Trojan.Win32.AntiAV.czfz also known as:

GridinSoft Trojan.Ransom.Gen
Elastic malicious (high confidence)
DrWeb Trojan.Siggen11.55981
MicroWorld-eScan Trojan.AntiSandbox.GenericKD.45077839
McAfee GenericRXAA-AA!68B98ACAA582
Cylance Unsafe
AegisLab Trojan.Win32.Agent.loeN
K7AntiVirus Trojan ( 00574f171 )
BitDefender Trojan.AntiSandbox.GenericKD.45077839
K7GW Trojan ( 00574f171 )
Cybereason malicious.f53e42
BitDefenderTheta Gen:NN.ZexaF.34700.@pGfa4gY4F
Cyren W32/Trojan.FQKX-8162
Symantec ML.Attribute.HighConfidence
Avast Win32:DropperX-gen [Drp]
Kaspersky Trojan.Win32.AntiAV.czfz
Alibaba Trojan:Win32/Kryptik.fc181392
ViRobot Trojan.Win32.Z.Kryptik.4417536
Rising Trojan.Ransom.GlobeImposter!1.AF70 (TFE:5:bYXJg1YG3DR)
Ad-Aware Trojan.AntiSandbox.GenericKD.45077839
Sophos Mal/Generic-S
F-Secure Trojan.TR/AD.GoCloudnet.sylvu
McAfee-GW-Edition BehavesLike.Win32.Trojan.rc
SentinelOne Static AI – Malicious PE
Emsisoft Trojan.AntiSandbox.GenericKD.45077839 (B)
Ikarus Trojan-Dropper.Win32.Dorifel
Webroot W32.Trojan.Gen
Avira TR/AD.GoCloudnet.sylvu
Microsoft Trojan:Win32/Azorult.FW!MTB
Gridinsoft Trojan.Win32.Packed.vb
Arcabit Trojan.AntiSandbox.Generic.D2AFD54F
ZoneAlarm Trojan.Win32.AntiAV.czfz
GData Trojan.AntiSandbox.GenericKD.45077839
Cynet Malicious (score: 100)
AhnLab-V3 Malware/Win32.Generic.C4267392
Acronis suspicious
VBA32 BScope.Trojan.Injuke
ALYac Trojan.AntiSandbox.GenericKD.45077839
MAX malware (ai score=88)
Malwarebytes Trojan.MalPack.GS
Panda Trj/GdSda.A
APEX Malicious
ESET-NOD32 a variant of Win32/Kryptik.HIIT
Yandex Trojan.GenAsa!A3rOJaxYS2w
Fortinet W32/Kryptik.GWXD!tr
AVG Win32:DropperX-gen [Drp]
CrowdStrike win/malicious_confidence_100% (D)
Qihoo-360 Generic/HEUR/QVM11.1.0AEF.Malware.Gen

How to remove Trojan.Win32.AntiAV.czfz 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 Trojan.Win32.AntiAV.czfz 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:

Full version of GridinSoft

Full version of GridinSoft Anti-Malware

If the guide doesn’t help you to remove Trojan.Win32.AntiAV.czfz you can always ask me in the comments for getting help.

User Review
0 (0 votes)
Comments Rating 0 (0 reviews)


  1. GridinSoft Anti-Malware Review from HowToFix site:
  2. More information about GridinSoft products:

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.

Leave a Reply