Win32/Injector.ZUS

What is Win32/Injector.ZUS infection?

In this short article you will find regarding the definition of Win32/Injector.ZUS and also its adverse effect on your computer. Such ransomware are a type of malware that is clarified by online scams to require paying the ransom by a victim.

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Most of the situations, Win32/Injector.ZUS infection will advise its targets to initiate funds transfer for the function of neutralizing the changes that the Trojan infection has introduced to the victim’s gadget.

Win32/Injector.ZUS Summary

These adjustments 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);
  • Injection with CreateRemoteThread in a remote process;
  • 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 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.
  • The binary likely contains encrypted or compressed data. In this case, encryption is a way of hiding virus’ code from antiviruses and virus’ analysts.
  • Sniffs keystrokes;
  • Executed a process and injected code into it, probably while unpacking;
  • Code injection with CreateRemoteThread in a remote process;
  • 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 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.
  • Likely virus infection of existing system binary;
  • Creates a copy of itself;
  • Creates known SpyNet mutexes and/or registry changes.;
  • Anomalous binary characteristics. This is a way of hiding virus’ code from antiviruses and virus’ analysts.
  • Ciphering the documents situated on the victim’s hard disk drive — so the target can no longer make use of the data;
  • Preventing normal 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.

Win32/Injector.ZUS

One of the most common channels where Win32/Injector.ZUS are injected are:

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

As soon as the Trojan is effectively infused, it will certainly either cipher the data on the sufferer’s computer or protect against the tool from working in an appropriate fashion – while likewise putting a ransom money note that mentions the requirement for the victims to effect the repayment for the function of decrypting the files or recovering the file system back to the preliminary condition. In most circumstances, the ransom note will turn up when the customer restarts the COMPUTER after the system has actually currently been harmed.

Win32/Injector.ZUS circulation channels.

In numerous corners of the world, Win32/Injector.ZUS expands by jumps and bounds. Nevertheless, the ransom money notes and also techniques of obtaining the ransom amount might differ depending on specific neighborhood (local) setups. The ransom money notes as well as techniques of obtaining the ransom quantity might differ depending on specific local (regional) settings.

Ransomware injection

For instance:

    Faulty informs about unlicensed software.

    In certain areas, the Trojans usually wrongfully report having discovered some unlicensed applications allowed on the target’s device. The sharp after that demands the user to pay the ransom money.

    Faulty declarations regarding illegal content.

    In countries where software application piracy is much less preferred, this approach is not as effective for the cyber fraudulences. Conversely, the Win32/Injector.ZUS popup alert may wrongly declare to be deriving from a police organization and also will report having located youngster porn or other prohibited information on the device.

    Win32/Injector.ZUS popup alert may falsely claim to be acquiring from a regulation enforcement institution as well as will certainly report having situated youngster porn or various other prohibited data on the gadget. The alert will similarly contain a need for the user to pay the ransom money.

Technical details

File Info:

crc32: 88B63BAF
md5: c38b23189a7346beb47bf78a12f7e58f
name: C38B23189A7346BEB47BF78A12F7E58F.mlw
sha1: 47d870cee5284dcf05a3f6b508abf1315255d99d
sha256: 45a16f19d15e7fefae43d7cc7973e4df4bfdcf52ed79b98d32afee437637dbb7
sha512: 0854b6aeb9fceeaca0c6cd41ca7e16e5f02086fc420062340660ba363e66664e4861af944e64a0f27aacaaffcceeeacbb68592d1e424fda063de446453521d23
ssdeep: 3072:TRDaQ4ZEF+DijtPnRZ+zaDqFkt7+IlFhPhq6ojoq3GTM03KPcsa/Z0QtEF9PsH6:/cFQ86ZQ0XsaBUMTbM48tg0Or4L/bDS
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

Translation: 0x0409 0x04b0
ProductVersion: 1.00
InternalName: 1
FileVersion: 1.00
OriginalFilename: 1.exe
ProductName: malditos

Win32/Injector.ZUS also known as:

GridinSoft Trojan.Ransom.Gen
Bkav W32.AIDetect.malware2
K7AntiVirus Spyware ( 0056cb291 )
Elastic malicious (high confidence)
DrWeb Trojan.Virtumod.11842
Cynet Malicious (score: 100)
ALYac Gen:Variant.Symmi.15273
Cylance Unsafe
Zillya Trojan.Bublik.Win32.1830
Sangfor Trojan.Win32.Save.a
CrowdStrike win/malicious_confidence_80% (D)
K7GW Spyware ( 0056cb291 )
Cybereason malicious.89a734
Symantec ML.Attribute.HighConfidence
ESET-NOD32 a variant of Win32/Injector.ZUS
APEX Malicious
Avast Win32:Dropper-gen [Drp]
ClamAV Win.Trojan.Bublik-9847255-0
Kaspersky Trojan-Ransom.Win32.Blocker.tlf
BitDefender Gen:Variant.Symmi.15273
NANO-Antivirus Trojan.Win32.Blocker.dyegfx
ViRobot Trojan.Win32.A.Bublik.139264.A
SUPERAntiSpyware Trojan.Agent/Gen-Vbject
MicroWorld-eScan Gen:Variant.Symmi.15273
Tencent Win32.Trojan.Blocker.cwbj
Ad-Aware Gen:Variant.Symmi.15273
Sophos ML/PE-A
Comodo Malware@#uc6aze3vgq3o
BitDefenderTheta Gen:NN.ZevbaF.34670.ym0@aagOp!di
VIPRE Trojan.Win32.Generic!BT
TrendMicro TSPY_POISON_BL13033F.TOMC
McAfee-GW-Edition BehavesLike.Win32.VBObfus.fc
FireEye Generic.mg.c38b23189a7346be
Emsisoft Gen:Variant.Symmi.15273 (B)
SentinelOne Static AI – Malicious PE
Jiangmin Trojan/Bublik.cxx
Webroot W32.Trojan.Gen
Avira HEUR/AGEN.1110558
eGambit Unsafe.AI_Score_99%
Kingsoft Win32.Troj.Generic_a.a.(kcloud)
Microsoft Backdoor:Win32/Poison.E
Arcabit Trojan.Symmi.D3BA9
GData Gen:Variant.Symmi.15273
AhnLab-V3 Trojan/Win32.Bublik.R41805
Acronis suspicious
McAfee Trojan-FAYO!C38B23189A73
MAX malware (ai score=82)
VBA32 TScope.Trojan.VB
Malwarebytes MachineLearning/Anomalous.97%
Panda Trj/CI.A
TrendMicro-HouseCall TSPY_POISON_BL13033F.TOMC
Rising Trojan.Win32.Generic.158AF627 (C64:YzY0OmT32PHWITF5)
Yandex Trojan.GenAsa!2DIdYHY8cYo
Ikarus Backdoor.Poison
Fortinet W32/Injector.BZKN!tr
AVG Win32:Dropper-gen [Drp]
Qihoo-360 Win32/Trojan.Ransom.643

How to remove Win32/Injector.ZUS virus?

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.ZUS 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.ZUS 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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