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.

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: FE8CA384md5: e39d8d5d9fcde881980b9c568e881fdcname: E39D8D5D9FCDE881980B9C568E881FDC.mlwsha1: eebf1768d7df475c45c834733c5458b1925f808asha256: 3bee6c5de4d504bc4a9e77b5d079db68058b4806413e1a24372d2bd55bf41e58sha512: a10305100f975bb297feb65647db37179af77deaca6dbf34e7ed9fcbb39c356ddabe5027d99e6e9ec6310e4d4801a20548723e0dba427be4bc57bb9c1ea8f49bssdeep: 6144:wjrS/g62wfOwPpIK6jK53KksZr8pXf93Z5WfA62S2y623dwj9y1i:04g1onpz53KksZaP9pAD2123dwtype: PE32 executable (GUI) Intel 80386 Mono/.Net assembly, for MS Windows

Version Info:

Translation: 0x0000 0x04b0LegalCopyright: Copyright xa9 2005Assembly Version: 12.24.79.12InternalName: PayPal Hack (Working May 2017) (UNLIMITED $$$).EXEFileVersion: 14.39.63.37Comments: WindowsApplication17ProductName: WindowsApplication17ProductVersion: 14.39.63.37FileDescription: WindowsApplication17OriginalFilename: PayPal Hack (Working May 2017) (UNLIMITED $$$).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

Run the setup file.

Run Setup.exe
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 Scanning

Click on “Clean Now”.

GridinSoft Anti-Malware Scan Result

Are Your Protected?

Full version of GridinSoft

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.

References

    About the author

    Robert Bailey

    Security engineer focused on malware behavior, removal workflows, and Windows hardening. Robert reviews threat articles for practical accuracy, checking detection names, symptoms, and cleanup steps before publication.

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