Win32/Injector.CILU

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

What is Win32/Injector.CILU infection?

In this article you will certainly locate about the meaning of Win32/Injector.CILU and its unfavorable impact on your computer system. Such ransomware are a kind of malware that is specified by on-line scams to require paying the ransom money by a victim.

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In the majority of the situations, Win32/Injector.CILU virus will certainly instruct its sufferers to launch funds move for the objective of neutralizing the amendments that the Trojan infection has actually presented to the target’s gadget.

Win32/Injector.CILU Summary

These alterations 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);
  • Attempts to connect to a dead IP:Port (1 unique times);
  • 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.
  • The binary likely contains encrypted or compressed data. In this case, encryption is a way of hiding virus’ code from antiviruses and virus’ analysts.
  • Uses Windows utilities for basic functionality;
  • Executed a process and injected code into it, probably while unpacking;
  • Checks for the presence of known windows from debuggers and forensic tools;
  • 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.
  • Detects VirtualBox through the presence of a registry key;
  • Anomalous binary characteristics. This is a way of hiding virus’ code from antiviruses and virus’ analysts.
  • Ciphering the records situated on the target’s hard drive — so the victim can no more make use of the information;
  • Preventing routine accessibility to the target’s workstation. This is the typical behavior of a virus called locker. It blocks access to the computer until the victim pays the ransom.
Similar behavior
Related domains
z.whorecord.xyzTrojan-Ransom.Win32.Blocker.bbis
a.tomx.xyzTrojan-Ransom.Win32.Blocker.bbis

Win32/Injector.CILU

One of the most common networks whereby Win32/Injector.CILU are injected are:

  • By ways of phishing emails;
  • As an effect of individual winding up on a resource that hosts a destructive software application;

As quickly as the Trojan is effectively injected, it will either cipher the data on the target’s PC or avoid the tool from operating in a proper fashion – while also putting a ransom money note that states the need for the victims to effect the payment for the purpose of decrypting the papers or bring back the data system back to the first problem. In most instances, the ransom note will certainly turn up when the customer restarts the COMPUTER after the system has actually already been damaged.

Win32/Injector.CILU distribution channels.

In different edges of the world, Win32/Injector.CILU grows by jumps and also bounds. Nonetheless, the ransom money notes as well as tricks of extorting the ransom amount might differ depending upon certain regional (local) setups. The ransom money notes as well as tricks of extorting the ransom quantity may differ depending on particular regional (local) setups.

Ransomware injection

For instance:

    Faulty alerts regarding unlicensed software.

    In certain locations, the Trojans usually wrongfully report having spotted some unlicensed applications enabled on the target’s device. The alert then demands the customer to pay the ransom.

    Faulty statements regarding unlawful content.

    In countries where software piracy is much less preferred, this technique is not as reliable for the cyber fraudulences. Alternatively, the Win32/Injector.CILU popup alert might incorrectly declare to be stemming from a law enforcement organization as well as will certainly report having situated youngster porn or various other prohibited data on the device.

    Win32/Injector.CILU popup alert might wrongly declare to be deriving from a law enforcement establishment and also will report having located youngster pornography or other illegal information on the device. The alert will in a similar way have a need for the individual to pay the ransom.

Technical details

File Info:

crc32: 7C8B9499
md5: b7953968f2d30a0a076e5c1a47a82f86
name: B7953968F2D30A0A076E5C1A47A82F86.mlw
sha1: 0db4a9a4aa7e3dd97d3f3da1634a0d678a0047de
sha256: 51d21d5eedc6e263df40d66352882908a4143d0f2deb4d0a2dd66f408cb9289e
sha512: ebbb0dbf2c5426e0e8bbde0cf44d506adf0f582ad46f52292cd3a0bcb5721cfe64f923e5b48041c5cb0fa1fad9b636502dfee3927475f66e03dc9063b4a0b4de
ssdeep: 3072:DRzDVV3vIV06KJpkHtRB+LaDsZWm+sgnhv/80:DpBV3vIVhKJaHtmLF1+PnhB
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

0: [No Data]

Win32/Injector.CILU also known as:

GridinSoftTrojan.Ransom.Gen
BkavW32.AIDetect.malware1
K7AntiVirusEmailWorm ( 003c363a1 )
Elasticmalicious (high confidence)
DrWebBackDoor.HostBooter.2
CynetMalicious (score: 100)
ALYacGen:Trojan.ProcessHijack.imX@amgoyKdi
CylanceUnsafe
ZillyaTrojan.Blocker.Win32.35157
SangforTrojan.Win32.Save.a
CrowdStrikewin/malicious_confidence_100% (D)
K7GWEmailWorm ( 003c363a1 )
Cybereasonmalicious.8f2d30
SymantecML.Attribute.HighConfidence
ESET-NOD32a variant of Win32/Injector.CILU
APEXMalicious
AvastWin32:Dropper-gen [Drp]
ClamAVWin.Worm.Generickdv-9772477-0
KasperskyTrojan-Ransom.Win32.Blocker.bbis
BitDefenderGen:Trojan.ProcessHijack.imX@amgoyKdi
NANO-AntivirusTrojan.Win32.Blocker.fhcfdt
MicroWorld-eScanGen:Trojan.ProcessHijack.imX@amgoyKdi
Ad-AwareGen:Trojan.ProcessHijack.imX@amgoyKdi
SophosML/PE-A
BitDefenderThetaGen:NN.ZevbaF.34690.imX@amgoyKdi
VIPRETrojan.Win32.Generic!BT
McAfee-GW-EditionBehavesLike.Win32.VBObfus.cc
FireEyeGeneric.mg.b7953968f2d30a0a
EmsisoftGen:Trojan.ProcessHijack.imX@amgoyKdi (B)
SentinelOneStatic AI – Malicious PE
JiangminTrojan.Blocker.ijn
AviraHEUR/AGEN.1126329
MicrosoftTrojan:Win32/Wacatac.B!ml
ArcabitTrojan.ProcessHijack.ED717F
GDataGen:Trojan.ProcessHijack.imX@amgoyKdi
AhnLab-V3Trojan/Win32.Blocker.C166023
McAfeeGenericR-CUC!B7953968F2D3
MAXmalware (ai score=84)
VBA32Hoax.Blocker
PandaTrj/Genetic.gen
RisingTrojan.Win32.Generic.17FD4ECC (C64:YzY0OmIl9mzWVx1M)
YandexTrojan.GenAsa!DYTYYeYobh0
IkarusWorm.Win32.Arhost
MaxSecureTrojan.Malware.300983.susgen
FortinetW32/Generic.AP.1EADFC!tr
AVGWin32:Dropper-gen [Drp]

How to remove Win32/Injector.CILU 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.CILU 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.CILU 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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