VirTool:MSIL/Injector.VF!bit

What is VirTool:MSIL/Injector.VF!bit infection?

In this short article you will discover regarding the definition of VirTool:MSIL/Injector.VF!bit and also its unfavorable impact on your computer system. Such ransomware are a type of malware that is clarified by on-line scams to demand paying the ransom by a victim.

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Most of the instances, VirTool:MSIL/Injector.VF!bit ransomware will certainly instruct its sufferers to initiate funds move for the objective of reducing the effects of the changes that the Trojan infection has actually introduced to the target’s device.

VirTool:MSIL/Injector.VF!bit Summary

These adjustments can be as adheres to:

  • 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 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.
  • Uses Windows utilities for basic functionality;
  • Executed a process and injected code into it, probably while unpacking;
  • Sniffs keystrokes;
  • Creates a copy of itself;
  • Interacts with known DarkComet registry keys;
  • Creates known Fynloski/DarkComet mutexes;
  • Ciphering the papers located on the victim’s disk drive — so the sufferer can no longer use the data;
  • Preventing routine access 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.

VirTool:MSIL/Injector.VF!bit

The most regular channels whereby VirTool:MSIL/Injector.VF!bit Trojans are infused are:

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

As soon as the Trojan is successfully infused, it will either cipher the information on the target’s computer or avoid the device from operating in a proper manner – while also placing a ransom money note that mentions the need for the sufferers to effect the settlement for the purpose of decrypting the papers or bring back the documents system back to the initial condition. In the majority of instances, the ransom money note will certainly turn up when the customer restarts the PC after the system has actually currently been harmed.

VirTool:MSIL/Injector.VF!bit distribution channels.

In various edges of the globe, VirTool:MSIL/Injector.VF!bit expands by jumps and also bounds. However, the ransom money notes as well as tricks of extorting the ransom money quantity might vary depending on particular local (local) setups. The ransom notes and also tricks of obtaining the ransom amount might differ depending on particular regional (regional) settings.

Ransomware injection

For example:

    Faulty notifies regarding unlicensed software.

    In specific areas, the Trojans typically wrongfully report having actually detected some unlicensed applications enabled on the target’s gadget. The alert then requires the individual to pay the ransom money.

    Faulty declarations regarding illegal material.

    In nations where software piracy is much less popular, this approach is not as effective for the cyber fraudulences. Conversely, the VirTool:MSIL/Injector.VF!bit popup alert may wrongly assert to be originating from a law enforcement institution and will certainly report having located youngster porn or other unlawful information on the tool.

    VirTool:MSIL/Injector.VF!bit popup alert may incorrectly declare to be acquiring from a legislation enforcement organization as well as will certainly report having situated kid porn or other prohibited information on the gadget. The alert will similarly consist of a requirement for the user to pay the ransom.

Technical details

File Info:

crc32: FE8CA384
md5: e39d8d5d9fcde881980b9c568e881fdc
name: E39D8D5D9FCDE881980B9C568E881FDC.mlw
sha1: eebf1768d7df475c45c834733c5458b1925f808a
sha256: 3bee6c5de4d504bc4a9e77b5d079db68058b4806413e1a24372d2bd55bf41e58
sha512: a10305100f975bb297feb65647db37179af77deaca6dbf34e7ed9fcbb39c356ddabe5027d99e6e9ec6310e4d4801a20548723e0dba427be4bc57bb9c1ea8f49b
ssdeep: 6144:wjrS/g62wfOwPpIK6jK53KksZr8pXf93Z5WfA62S2y623dwj9y1i:04g1onpz53KksZaP9pAD2123dw
type: PE32 executable (GUI) Intel 80386 Mono/.Net assembly, for MS Windows

Version Info:

Translation: 0x0000 0x04b0
LegalCopyright: Copyright xa9 2005
Assembly Version: 12.24.79.12
InternalName: PayPal Hack (Working May 2017) (UNLIMITED $$$).EXE
FileVersion: 14.39.63.37
Comments: WindowsApplication17
ProductName: WindowsApplication17
ProductVersion: 14.39.63.37
FileDescription: WindowsApplication17
OriginalFilename: PayPal Hack (Working May 2017) (UNLIMITED $$$).EXE

VirTool:MSIL/Injector.VF!bit also known as:

GridinSoft Trojan.Ransom.Gen
K7AntiVirus Trojan ( 0053564e1 )
Elastic malicious (high confidence)
Cynet Malicious (score: 100)
ALYac Gen:Variant.Razy.37620
Cylance Unsafe
Zillya Trojan.Blocker.Win32.38049
Sangfor Trojan.Win32.Save.a
CrowdStrike win/malicious_confidence_100% (W)
Alibaba Ransom:MSIL/Injector.216a8e63
K7GW Trojan ( 0053564e1 )
Cybereason malicious.d9fcde
Cyren W32/MSIL_Kryptik.DET.gen!Eldorado
Symantec ML.Attribute.HighConfidence
ESET-NOD32 a variant of MSIL/Injector.NIK
APEX Malicious
Avast Win32:Rootkit-gen [Rtk]
Kaspersky Trojan-Ransom.Win32.Blocker.kakn
BitDefender Gen:Variant.Razy.37620
NANO-Antivirus Trojan.Win32.Blocker.eowthy
MicroWorld-eScan Gen:Variant.Razy.37620
Tencent Win32.Backdoor.Darkcomet.Olui
Ad-Aware Gen:Variant.Razy.37620
Comodo TrojWare.MSIL.Injector.MJL@7e5w7d
BitDefenderTheta Gen:NN.ZemsilF.34670.wm0@aud9dMl
VIPRE Trojan.Win32.Generic!BT
FireEye Generic.mg.e39d8d5d9fcde881
Emsisoft Gen:Variant.Razy.37620 (B)
SentinelOne Static AI – Malicious PE
Webroot W32.Trojan.Gen
Avira HEUR/AGEN.1109456
eGambit Unsafe.AI_Score_99%
Microsoft VirTool:MSIL/Injector.VF!bit
AegisLab Trojan.Win32.Blocker.j!c
GData Gen:Variant.Razy.37620
Acronis suspicious
McAfee Artemis!E39D8D5D9FCD
MAX malware (ai score=86)
VBA32 CIL.StupidPInvoker-2.Heur
Malwarebytes MachineLearning/Anomalous.100%
Panda Trj/GdSda.A
Rising Ransom.Blocker!8.12A (CLOUD)
Yandex Trojan.Blocker!/wlbex9F7Q8
Ikarus Trojan.MSIL.Injector
Fortinet MSIL/Injector.NIK!tr
AVG Win32:Rootkit-gen [Rtk]
Paloalto generic.ml
Qihoo-360 Win32/Ransom.Blocker.HgIASOcA

How to remove VirTool:MSIL/Injector.VF!bit 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 VirTool:MSIL/Injector.VF!bit 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 VirTool:MSIL/Injector.VF!bit 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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