Win32/Injector.CZWZ

What is Win32/Injector.CZWZ infection?

In this article you will discover regarding the interpretation of Win32/Injector.CZWZ and also its negative impact on your computer system. Such ransomware are a type of malware that is specified by on-line fraudulences to require paying the ransom by a target.

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Most of the cases, Win32/Injector.CZWZ virus will advise its victims to start funds transfer for the purpose of counteracting the modifications that the Trojan infection has presented to the sufferer’s device.

Win32/Injector.CZWZ Summary

These modifications can be as follows:

  • 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.
  • 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.

  • The binary likely contains encrypted or compressed data. In this case, encryption is a way of hiding virus’ code from antiviruses and virus’ analysts.
  • Executed a process and injected code into it, probably while unpacking;
  • 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
  • Attempts to identify installed AV products by installation directory;
  • Anomalous binary characteristics. This is a way of hiding virus’ code from antiviruses and virus’ analysts.
  • Ciphering the papers found on the victim’s hard disk drive — so the victim can no longer use the data;
  • Preventing regular accessibility to the victim’s workstation;

Win32/Injector.CZWZ

The most typical networks through which Win32/Injector.CZWZ Ransomware Trojans are injected are:

  • By means of phishing emails;
  • As an effect of user ending up on a source that holds a harmful software application;

As soon as the Trojan is successfully injected, it will either cipher the data on the sufferer’s computer or stop the device from working in a proper way – while additionally putting a ransom money note that states the requirement for the targets to impact the repayment for the purpose of decrypting the documents or restoring the documents system back to the first problem. In a lot of instances, the ransom note will certainly turn up when the client reboots the COMPUTER after the system has actually already been harmed.

Win32/Injector.CZWZ distribution channels.

In various corners of the globe, Win32/Injector.CZWZ grows by leaps and bounds. However, the ransom notes as well as techniques of extorting the ransom amount might vary relying on specific neighborhood (regional) settings. The ransom money notes and also techniques of obtaining the ransom money quantity may vary depending on specific neighborhood (regional) settings.

Ransomware injection

For example:

    Faulty signals regarding unlicensed software application.

    In particular areas, the Trojans commonly wrongfully report having actually detected some unlicensed applications made it possible for on the target’s device. The alert then requires the individual to pay the ransom money.

    Faulty statements about unlawful content.

    In nations where software piracy is less popular, this technique is not as reliable for the cyber scams. Additionally, the Win32/Injector.CZWZ popup alert might incorrectly claim to be deriving from a police institution and also will report having located youngster pornography or various other prohibited information on the tool.

    Win32/Injector.CZWZ popup alert may wrongly assert to be acquiring from a regulation enforcement establishment as well as will certainly report having situated kid pornography or other unlawful information on the gadget. The alert will likewise have a demand for the user to pay the ransom.

Technical details

File Info:

crc32: A0D731D3
md5: f61ed68dd9f2ec6d36478e77551972fd
name: F61ED68DD9F2EC6D36478E77551972FD.mlw
sha1: ec3eaa3e1aeb18cfed634c0e27fa91082252ff0f
sha256: 8e84fbc38403f1516447b73b73b5051777314089f0d1fefcfae004b1ef615641
sha512: 6a6e7e843ac7242025ce1a84cad5d88efd72c68fb48f71c99a223b7f9a692042a87215e2272e3b218a9b5e9037364f9e94d1c9237d253f4de3d97c68a2a10e41
ssdeep: 6144:xKSKgZRjc6aBN4oyFP9h9qxdjOu71Ht93lVfp:HRjcjBOoahiKu71Ht93lVfp
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

Translation: 0x0409 0x04b0
InternalName: Approbatory0
FileVersion: 1.00
CompanyName: Has Kho
ProductName: Chalgrin
ProductVersion: 1.00
OriginalFilename: Approbatory0.exe

Win32/Injector.CZWZ also known as:

GridinSoft Trojan.Ransom.Gen
K7AntiVirus Trojan ( 004f15ab1 )
Elastic malicious (high confidence)
DrWeb Trojan.PWS.Stealer.13052
ClamAV Win.Malware.Zerber-6629234-0
CAT-QuickHeal Trojan.VBObfuscator.GN3
ALYac Gen:Variant.Symmi.73444
Malwarebytes Trojan.Zbot
Zillya Trojan.Zerber.Win32.177
Sangfor Trojan.Win32.Save.a
CrowdStrike win/malicious_confidence_100% (D)
Alibaba Ransom:Win32/Zerber.d323731e
K7GW Trojan ( 004f15ab1 )
Cybereason malicious.dd9f2e
Cyren W32/Cerber.I.gen!Eldorado
Symantec Ransom.Cerber!g6
ESET-NOD32 a variant of Win32/Injector.CZWZ
APEX Malicious
Avast Win32:Trojan-gen
Cynet Malicious (score: 100)
Kaspersky Trojan-Ransom.Win32.Zerber.eck
BitDefender Gen:Variant.Symmi.73444
NANO-Antivirus Trojan.Win32.CZWZ.edmntv
SUPERAntiSpyware Trojan.Agent/Gen-VB
MicroWorld-eScan Gen:Variant.Symmi.73444
Tencent Malware.Win32.Gencirc.10bd9247
Ad-Aware Gen:Variant.Symmi.73444
Sophos ML/PE-A + Mal/FareitVB-F
Comodo Malware@#3c12v8zh5ijst
BitDefenderTheta AI:Packer.6BC61FB021
VIPRE Trojan.Win32.Generic!BT
TrendMicro TSPY_FAREIT.SMVB0
McAfee-GW-Edition BehavesLike.Win32.Fareit.dc
FireEye Generic.mg.f61ed68dd9f2ec6d
Emsisoft Gen:Variant.Symmi.73444 (B)
SentinelOne Static AI – Malicious PE
Jiangmin Trojan.Zerber.jz
Avira HEUR/AGEN.1121375
eGambit Unsafe.AI_Score_100%
Antiy-AVL Trojan[Ransom]/Win32.Zerber.eck
Microsoft Ransom:Win32/Cerber!rfn
Arcabit Trojan.Symmi.D11EE4
AegisLab Trojan.Win32.Zerber.j!c
GData Gen:Variant.Symmi.73444
AhnLab-V3 Win-Trojan/VBKrand.Gen
McAfee Fareit-FEL!F61ED68DD9F2
MAX malware (ai score=89)
VBA32 TrojanRansom.Zerber
Panda Trj/GdSda.A
TrendMicro-HouseCall TSPY_FAREIT.SMVB0
Rising Ransom.Cerber!8.3058 (CLOUD)
Yandex Trojan.GenAsa!1c2pPjhQwXo
Ikarus Trojan.Win32.VBKrypt
Fortinet W32/Injector.CZUA!tr
AVG Win32:Trojan-gen
Paloalto generic.ml
Qihoo-360 Win32/Ransom.Cerber.HwMAcVIA

How to remove Win32/Injector.CZWZ 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

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.CZWZ 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.CZWZ 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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