Win32/Injector.ELCU

Written by Robert Bailey

What is Win32/Injector.ELCU infection?

In this short article you will certainly find concerning the meaning of Win32/Injector.ELCU as well as its negative influence on your computer. Such ransomware are a kind of malware that is specified by online scams to require paying the ransom money by a target.

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In the majority of the situations, Win32/Injector.ELCU virus will advise its sufferers to launch funds move for the function of counteracting the modifications that the Trojan infection has actually presented to the victim’s device.

Win32/Injector.ELCU Summary

These adjustments can be as complies with:

  • 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.
  • A process attempted to delay the analysis task.;
  • 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;
  • Attempts to remove evidence of file being downloaded from the Internet;
  • Tries to unhook or modify Windows functions monitored by Cuckoo;
  • Attempts to repeatedly call a single API many times in order to delay analysis time. This significantly complicates the work of the virus analyzer. Typical malware tactics!
  • Steals private information from local Internet browsers;
  • 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
  • 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.
  • Checks the CPU name from registry, possibly for anti-virtualization;
  • Creates a copy of itself;
  • Harvests information related to installed mail clients;
  • Anomalous binary characteristics. This is a way of hiding virus’ code from antiviruses and virus’ analysts.
  • Ciphering the papers located on the victim’s hard drive — so the victim can no more utilize the information;
  • Preventing normal 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.xyzRansom.Wannacry
a.tomx.xyzRansom.Wannacry

Win32/Injector.ELCU

One of the most regular channels where Win32/Injector.ELCU are infused are:

  • By means of phishing e-mails;
  • As a consequence of individual winding up on a resource that organizes a harmful software application;

As quickly as the Trojan is effectively infused, it will either cipher the information on the sufferer’s PC or stop the tool from working in an appropriate fashion – while likewise placing a ransom note that discusses the need for the sufferers to effect the payment for the function of decrypting the papers or bring back the documents system back to the first problem. In most instances, the ransom money note will certainly come up when the customer restarts the COMPUTER after the system has actually already been harmed.

Win32/Injector.ELCU circulation channels.

In different edges of the world, Win32/Injector.ELCU grows by leaps as well as bounds. However, the ransom notes and methods of extorting the ransom amount might vary relying on specific neighborhood (regional) settings. The ransom notes as well as methods of obtaining the ransom money amount might differ depending on certain local (local) setups.

Ransomware injection

For instance:

    Faulty notifies regarding unlicensed software program.

    In specific locations, the Trojans frequently wrongfully report having detected some unlicensed applications made it possible for on the sufferer’s gadget. The alert then demands the customer to pay the ransom money.

    Faulty declarations about illegal material.

    In nations where software application piracy is much less popular, this approach is not as efficient for the cyber fraudulences. Conversely, the Win32/Injector.ELCU popup alert might falsely assert to be deriving from a law enforcement organization as well as will report having situated youngster porn or other prohibited information on the device.

    Win32/Injector.ELCU popup alert might incorrectly assert to be deriving from a law enforcement institution as well as will certainly report having situated child porn or various other prohibited information on the tool. The alert will similarly consist of a requirement for the user to pay the ransom.

Technical details

File Info:

crc32: BED6A7D8
md5: bfdc7ac0e240105924763da04f2e45fd
name: arinze.exe
sha1: b3b72e8c8fa8f888926e8b3d01ab448d178c557c
sha256: 446e55249a19fcefa746b41fc9ca16bf38c7e876b8334e46b92f53133269d78f
sha512: cbb8f050ba747ca8be11321cc09c80517193f1e4bae722599dc044bca78b5f3700bd29d3b22de9a1a7158e3d6c47a2a26be58ed4cc77c7b75581bb39f4ca186c
ssdeep: 24576:/Bcin4DWYW1aRamk8C2xzruPZp6AgV5PfA:/BjnISGLPxHuBp6AgvP4
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

0: [No Data]

Win32/Injector.ELCU also known as:

GridinSoftTrojan.Ransom.Gen
BkavW32.AIDetectVM.malware2
MicroWorld-eScanTrojan.GenericKD.33555492
Qihoo-360Win32/Trojan.PSW.63c
McAfeeArtemis!BFDC7AC0E240
CylanceUnsafe
VIPRETrojan.Win32.Generic!BT
AegisLabTrojan.Multi.Generic.4!c
K7AntiVirusRiskware ( 0040eff71 )
BitDefenderTrojan.GenericKD.33555492
K7GWRiskware ( 0040eff71 )
Cybereasonmalicious.c8fa8f
TrendMicroTrojanSpy.Win32.LOKI.SMDF.hp
F-ProtW32/Trojan2.QBQU
SymantecRansom.Wannacry
APEXMalicious
AvastWin32:Malware-gen
GDataTrojan.GenericKD.33555492
KasperskyHEUR:Trojan-PSW.Win32.Chisburg.gen
AlibabaTrojan:Win32/DelfInject.ali2000015
RisingTrojan.Injector!1.AFE3 (CLASSIC)
Ad-AwareTrojan.GenericKD.33555492
SophosMal/Fareit-V
DrWebTrojan.PWS.Siggen2.45058
Invinceaheuristic
McAfee-GW-EditionBehavesLike.Win32.Fareit.dc
Trapminemalicious.high.ml.score
FireEyeGeneric.mg.bfdc7ac0e2401059
EmsisoftTrojan.GenericKD.33555492 (B)
IkarusTrojan.Inject
CyrenW32/Trojan.JHLN-8204
JiangminTrojan.PSW.Chisburg.bgl
WebrootW32.Loki.Smdf
Antiy-AVLTrojan/Win32.Formbook
Endgamemalicious (high confidence)
ArcabitTrojan.Generic.D2000424
ZoneAlarmHEUR:Trojan-PSW.Win32.Chisburg.gen
MicrosoftTrojan:Win32/FormBook.AQ!MTB
AhnLab-V3Suspicious/Win.Delphiless.X2059
Acronissuspicious
BitDefenderThetaGen:NN.ZelphiF.34100.5GW@aaIJ3jii
ALYacTrojan.GenericKD.33555492
MAXmalware (ai score=82)
VBA32TScope.Trojan.Delf
MalwarebytesTrojan.MalPack.DLF
PandaTrj/Genetic.gen
ESET-NOD32a variant of Win32/Injector.ELCU
TrendMicro-HouseCallTrojanSpy.Win32.LOKI.SMDF.hp
YandexTrojan.Injector!RN9OPdZIqj0
SentinelOneDFI – Suspicious PE
eGambitUnsafe.AI_Score_99%
FortinetW32/Injector.ELDL!tr
AVGWin32:Malware-gen
Paloaltogeneric.ml
CrowdStrikewin/malicious_confidence_100% (W)
MaxSecureTrojan.Malware.300983.susgen

How to remove Win32/Injector.ELCU 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

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 Win32/Injector.ELCU 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 Win32/Injector.ELCU 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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