VirTool:Win32/VBInject.AFI

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

What is VirTool:Win32/VBInject.AFI infection?

In this post you will certainly find regarding the definition of VirTool:Win32/VBInject.AFI and its negative impact on your computer system. Such ransomware are a form of malware that is clarified by online scams to demand paying the ransom money by a target.

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Most of the instances, VirTool:Win32/VBInject.AFI ransomware will instruct its victims to initiate funds transfer for the purpose of reducing the effects of the amendments that the Trojan infection has actually presented to the victim’s device.

VirTool:Win32/VBInject.AFI 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);
  • 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.

  • The binary likely contains encrypted or compressed data. In this case, encryption is a way of hiding virus’ code from antiviruses and virus’ analysts.
  • Detects Avast Antivirus through the presence of a library;
  • Executed a process and injected code into it, probably while unpacking;
  • 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
  • Anomalous binary characteristics. This is a way of hiding virus’ code from antiviruses and virus’ analysts.
  • Ciphering the files situated on the victim’s hard disk — so the target can no longer utilize the data;
  • Preventing routine access to the sufferer’s workstation;

VirTool:Win32/VBInject.AFI

One of the most common channels through which VirTool:Win32/VBInject.AFI Trojans are infused are:

  • By methods of phishing e-mails. Email phishing is a cyber attack that uses disguised email as a goal is to trick the recipient into believing that the message is something they want or need — a request from their bank, for instance, or a note from someone in their company — and to click a link for download a malware.
  • As an effect of individual ending up on a source that holds a harmful software program;

As quickly as the Trojan is efficiently infused, it will either cipher the information on the victim’s PC or stop the device from operating in a correct way – while additionally positioning a ransom money note that states the demand for the targets to impact the settlement for the purpose of decrypting the documents or recovering the data system back to the first problem. In many instances, the ransom note will show up when the client reboots the COMPUTER after the system has actually currently been damaged.

VirTool:Win32/VBInject.AFI distribution networks.

In various edges of the world, VirTool:Win32/VBInject.AFI expands by jumps and bounds. Nevertheless, the ransom money notes and also techniques of extorting the ransom amount might vary depending upon particular regional (regional) settings. The ransom notes as well as methods of extorting the ransom quantity might differ depending on particular local (regional) setups.

Ransomware injection

For instance:

    Faulty notifies about unlicensed software program.

    In specific locations, the Trojans often wrongfully report having actually identified some unlicensed applications enabled on the target’s gadget. The alert after that requires the individual to pay the ransom money.

    Faulty declarations about prohibited material.

    In nations where software application piracy is much less popular, this method is not as effective for the cyber scams. Conversely, the VirTool:Win32/VBInject.AFI popup alert might falsely declare to be deriving from a law enforcement organization as well as will certainly report having located youngster porn or various other unlawful data on the tool.

    VirTool:Win32/VBInject.AFI popup alert might falsely assert to be acquiring from a regulation enforcement establishment and also will report having situated kid pornography or other prohibited data on the tool. The alert will likewise consist of a demand for the individual to pay the ransom.

Technical details

File Info:

crc32: 79C50CC1
md5: 74ee62700af99e2fc60668a2a1fc0665
name: 74EE62700AF99E2FC60668A2A1FC0665.mlw
sha1: d0d58710f39a1f45e90c4199be47969d5bc91778
sha256: 6025c7dde40ce0eed6d75b3da02c8c706e49d5f79aeee028437fbbeb0a58f3a5
sha512: 07550c5396236e65fbefdeb756679e86b8eba6ab58fca620d17c4b34c184d12df8f5af24cd35a77e1a588538e43e9ae7fedc812eee38387cd0cf8034b919aa03
ssdeep: 6144:IGKm5emUiQgKLZsOSqAGPhBoUZClbbfP187bMZviR5FeHrnx4:y1m3IZfxMUobXqMcg7x4
type: PE32 executable (GUI) Intel 80386, for MS Windows, PECompact2 compressed

Version Info:

0: [No Data]

VirTool:Win32/VBInject.AFI also known as:

GridinSoftTrojan.Ransom.Gen
BkavW32.AIDetect.malware1
Elasticmalicious (high confidence)
MicroWorld-eScanGen:Variant.Jaik.9145
FireEyeGeneric.mg.74ee62700af99e2f
McAfeeGenericR-EZO!74EE62700AF9
CylanceUnsafe
VIPRETrojan.Win32.Generic!BT
AegisLabTrojan.Win32.Cryakl.j!c
SangforTrojan.Win32.Save.a
K7AntiVirusTrojan ( 0055e3991 )
BitDefenderGen:Variant.Jaik.9145
K7GWTrojan ( 0055e3991 )
Cybereasonmalicious.00af99
BitDefenderThetaGen:NN.ZevbaF.34608.wiZfampu@pni
SymantecRansom.Enciphered
ESET-NOD32a variant of Win32/Injector.CLGC
APEXMalicious
AvastWin32:Trojan-gen
ClamAVWin.Trojan.Crypmod-9794981-0
KasperskyTrojan-Ransom.Win32.Cryakl.ado
AlibabaRansom:Win32/Cryakl.b727930c
NANO-AntivirusTrojan.Win32.Cryakl.dygfyr
RisingRansom.Cryakl!8.560 (CLOUD)
Ad-AwareGen:Variant.Jaik.9145
SophosMal/Generic-S
ComodoMalware@#2y1hdvj0zb2vg
DrWebTrojan.Encoder.567
ZillyaTrojan.Cryakl.Win32.206
TrendMicroRansom_CRYPICH.E
McAfee-GW-EditionBehavesLike.Win32.Generic.fc
EmsisoftGen:Variant.Jaik.9145 (B)
IkarusTrojan-Ransom.CTBLocker
AviraHEUR/AGEN.1119047
MicrosoftVirTool:Win32/VBInject.AFI
ArcabitTrojan.Jaik.D23B9
ZoneAlarmTrojan-Ransom.Win32.Cryakl.ado
GDataGen:Variant.Jaik.9145
CynetMalicious (score: 100)
VBA32Hoax.Cryakl
ALYacGen:Variant.Jaik.9145
MAXmalware (ai score=84)
MalwarebytesMalware.Heuristic.1001
PandaGeneric Suspicious
TrendMicro-HouseCallRansom_CRYPICH.E
TencentWin32.Trojan.Cryakl.Ajmc
YandexTrojan.Cryakl!pMubcWmhqlE
SentinelOneStatic AI – Malicious PE
FortinetW32/Injector.CLDS!tr
AVGWin32:Trojan-gen
Paloaltogeneric.ml
CrowdStrikewin/malicious_confidence_90% (D)
Qihoo-360Win32/Ransom.Criakl.HgIASOUA

How to remove VirTool:Win32/VBInject.AFI 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:Win32/VBInject.AFI 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:Win32/VBInject.AFI 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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