CIL.StupidPInvoker-2.Heur

Written by Robert Bailey

What is CIL.StupidPInvoker-2.Heur infection?

In this article you will locate regarding the meaning of CIL.StupidPInvoker-2.Heur and its negative influence on your computer. Such ransomware are a kind of malware that is clarified by on the internet frauds to require paying the ransom money by a target.

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In the majority of the situations, CIL.StupidPInvoker-2.Heur infection will certainly advise its victims to launch funds transfer for the function of neutralizing the modifications that the Trojan infection has actually presented to the victim’s gadget.

CIL.StupidPInvoker-2.Heur 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;
  • 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.
  • 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.

  • 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.
  • Executed a process and injected code into it, probably while unpacking;
  • Code injection with CreateRemoteThread in a remote process;
  • Sniffs keystrokes;
  • 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.
  • Creates a copy of itself;
  • Creates known SpyNet mutexes and/or registry changes.;
  • Ciphering the files located on the sufferer’s hard drive — so the sufferer can no longer use the data;
  • Preventing routine access to the victim’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.xyz HEUR:Trojan-Ransom.MSIL.Blocker.gen
a.tomx.xyz HEUR:Trojan-Ransom.MSIL.Blocker.gen
haso.ddns.net HEUR:Trojan-Ransom.MSIL.Blocker.gen

CIL.StupidPInvoker-2.Heur

The most typical channels where CIL.StupidPInvoker-2.Heur Ransomware are infused are:

  • By methods of phishing emails;
  • As a repercussion of individual ending up on a source that organizes a malicious software application;

As quickly as the Trojan is successfully injected, it will certainly either cipher the data on the target’s computer or protect against the gadget from working in a correct fashion – while additionally placing a ransom money note that mentions the demand for the victims to effect the settlement for the objective of decrypting the documents or bring back the data system back to the preliminary condition. In the majority of instances, the ransom note will turn up when the customer restarts the PC after the system has actually already been harmed.

CIL.StupidPInvoker-2.Heur circulation channels.

In various corners of the globe, CIL.StupidPInvoker-2.Heur grows by leaps and also bounds. Nevertheless, the ransom money notes as well as tricks of extorting the ransom quantity may differ depending upon specific regional (regional) setups. The ransom money notes and techniques of obtaining the ransom money quantity might differ depending on certain regional (regional) setups.

Ransomware injection

For example:

    Faulty alerts concerning unlicensed software.

    In certain locations, the Trojans commonly wrongfully report having actually identified some unlicensed applications enabled on the target’s device. The sharp then demands the customer to pay the ransom money.

    Faulty statements regarding illegal content.

    In nations where software application piracy is less prominent, this technique is not as efficient for the cyber fraudulences. Additionally, the CIL.StupidPInvoker-2.Heur popup alert may wrongly assert to be stemming from a law enforcement establishment and also will report having situated kid porn or various other unlawful data on the device.

    CIL.StupidPInvoker-2.Heur popup alert might wrongly declare to be deriving from a regulation enforcement institution and also will certainly report having located child porn or various other illegal information on the gadget. The alert will likewise have a need for the user to pay the ransom money.

Technical details

File Info:

crc32: A06710B6
md5: e568762f4d127e0d7b610b08ffde2706
name: E568762F4D127E0D7B610B08FFDE2706.mlw
sha1: f51f231a2c8e92277e6757caa71cef7b0b58b739
sha256: a65bb6325027d0f814533adf8d7a907253a4327c007c7e2b844b8f60513ce8a7
sha512: cf935b554a1b3a74ba801519fc51f109ed3ceb0204ed9c13026182a6cacae7ddc3d8deee30a5232b9f6230761fd01f21521035712b138f47826cdfd4c305a5e5
ssdeep: 12288:UjIjTa3T45+c+qKIFSvqPX96FW0bHpHTqlVUWCshwgC2gS85r:nmk+c6IFSvqv9cWsHtq4WCshe2qr
type: PE32 executable (GUI) Intel 80386 Mono/.Net assembly, for MS Windows

Version Info:

Translation: 0x0000 0x04b0
LegalCopyright: Copyright xa9 2008
Assembly Version: 63.56.57.11
InternalName: alibaba40.EXE
FileVersion: 63.84.72.55
Comments: WindowsApplication36
ProductName: WindowsApplication36
ProductVersion: 63.84.72.55
FileDescription: WindowsApplication36
OriginalFilename: alibaba40.EXE

CIL.StupidPInvoker-2.Heur also known as:

GridinSoft Trojan.Ransom.Gen
K7AntiVirus Trojan ( 0054111f1 )
Elastic malicious (high confidence)
Cynet Malicious (score: 100)
Cylance Unsafe
Zillya Dropper.Blocker.Win32.295
Sangfor Trojan.Win32.Save.a
CrowdStrike win/malicious_confidence_100% (D)
Alibaba Trojan:MSIL/Kryptik.2fd3a073
K7GW Trojan ( 0054111f1 )
Cybereason malicious.a2c8e9
Symantec ML.Attribute.HighConfidence
ESET-NOD32 a variant of MSIL/Kryptik.QDX
APEX Malicious
Avast Win32:Trojan-gen
Kaspersky HEUR:Trojan-Ransom.MSIL.Blocker.gen
NANO-Antivirus Trojan.Win32.Ransom.fkicox
Tencent Win32.Backdoor.Cybergate.Uijs
Sophos Mal/Generic-S
Comodo Malware@#11yi86oz1uqsb
BitDefenderTheta Gen:NN.ZemsilF.34722.Mq0@aS3WoZf
McAfee-GW-Edition Artemis!Trojan
FireEye Generic.mg.e568762f4d127e0d
SentinelOne Static AI – Malicious PE
Avira TR/Dropper.MSIL.Gen
eGambit Unsafe.AI_Score_100%
Antiy-AVL Trojan/Generic.ASMalwS.296B35B
Microsoft Worm:Win32/Rebhip
AegisLab Trojan.MSIL.Blocker.4!c
AhnLab-V3 Trojan/Win32.Rebhip.C2880022
McAfee Artemis!E568762F4D12
MAX malware (ai score=100)
VBA32 CIL.StupidPInvoker-2.Heur
Malwarebytes MachineLearning/Anomalous.95%
Panda Trj/GdSda.A
Ikarus Trojan.MSIL.Injector
MaxSecure Trojan.Malware.300983.susgen
Fortinet MSIL/Kryptik.QDX!tr
AVG Win32:Trojan-gen
Paloalto generic.ml

How to remove CIL.StupidPInvoker-2.Heur 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 CIL.StupidPInvoker-2.Heur 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 CIL.StupidPInvoker-2.Heur 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: http://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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