VirTool:Win32/VBInject.ACV!bit

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

What is VirTool:Win32/VBInject.ACV!bit infection?

In this article you will certainly discover concerning the meaning of VirTool:Win32/VBInject.ACV!bit and also its unfavorable impact on your computer. Such ransomware are a type of malware that is elaborated by online frauds to demand paying the ransom by a target.

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Most of the instances, VirTool:Win32/VBInject.ACV!bit ransomware will instruct its victims to start funds move for the purpose of reducing the effects of the amendments that the Trojan infection has actually introduced to the sufferer’s gadget.

VirTool:Win32/VBInject.ACV!bit Summary

These modifications 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);
  • Presents an Authenticode digital signature;
  • 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.
  • Queries information on disks, possibly for anti-virtualization. Since VMs share the same disk space so it is expected that they won’t be getting as much space as an application running on
    native hardware will have access to.
  • Attempts to remove evidence of file being downloaded from the Internet;
  • Executed a process and injected code into it, probably while unpacking;
  • Creates or sets a registry key to a long series of bytes, possibly to store a binary or malware config;
  • 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
  • Spoofs its process name and/or associated pathname to appear as a legitimate process;
  • Harvests credentials from local FTP client softwares;
  • Harvests information related to installed instant messenger clients;
  • Harvests information related to installed mail clients;
  • Creates a slightly modified copy of itself;
  • Collects information to fingerprint the system. There are behavioral human characteristics that can be used to digitally identify a person to grant access to systems, devices, or data. Unlike passwords and verification codes, fingerprints are fundamental parts of user’s identities. Among the threats blocked on biometric data processing and storage systems is spyware, the malware used in phishing attacks (mostly spyware downloaders and droppers), ransomware, and Banking Trojans as posing the greatest danger.
  • Anomalous binary characteristics. This is a way of hiding virus’ code from antiviruses and virus’ analysts.
  • Ciphering the papers found on the target’s hard disk drive — so the victim can no more use the information;
  • 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.
Similar behavior
Related domains
leecom-cn.comTrojan-Ransom.Win32.Blocker.jzcj

VirTool:Win32/VBInject.ACV!bit

The most typical channels whereby VirTool:Win32/VBInject.ACV!bit Ransomware are injected are:

  • By means of phishing emails;
  • As a consequence of user ending up on a resource that hosts a destructive software program;

As soon as the Trojan is effectively infused, it will either cipher the data on the target’s computer or avoid the gadget from working in a proper fashion – while also positioning a ransom note that mentions the requirement for the sufferers to impact the repayment for the function of decrypting the papers or bring back the data system back to the preliminary problem. In many instances, the ransom note will show up when the customer reboots the COMPUTER after the system has actually currently been harmed.

VirTool:Win32/VBInject.ACV!bit circulation networks.

In numerous edges of the globe, VirTool:Win32/VBInject.ACV!bit expands by leaps as well as bounds. Nevertheless, the ransom notes and also tricks of obtaining the ransom money quantity may vary depending upon certain regional (local) settings. The ransom money notes and also tricks of extorting the ransom money amount might differ depending on certain local (local) settings.

Ransomware injection

For instance:

    Faulty notifies regarding unlicensed software application.

    In particular locations, the Trojans frequently wrongfully report having discovered some unlicensed applications allowed on the victim’s gadget. The sharp then demands the individual to pay the ransom.

    Faulty declarations regarding prohibited content.

    In countries where software application piracy is less prominent, this approach is not as efficient for the cyber frauds. Conversely, the VirTool:Win32/VBInject.ACV!bit popup alert might incorrectly declare to be stemming from a police organization and also will report having situated child porn or various other prohibited data on the gadget.

    VirTool:Win32/VBInject.ACV!bit popup alert may falsely claim to be deriving from a law enforcement establishment and will report having situated child pornography or other unlawful data on the device. The alert will in a similar way consist of a requirement for the individual to pay the ransom.

Technical details

File Info:

crc32: FE52FAAF
md5: 21d63abf47dbca999924a68ae6959aad
name: 21D63ABF47DBCA999924A68AE6959AAD.mlw
sha1: a7908d6358a23df62e68c20ab212880846587a31
sha256: 4fd021799ae4296ad87d3c9589eb1a65c8e10b4c9537e8ef3eb3f7f27a86c88c
sha512: e1c838e165b5490a1941b7b9217a3490633962d3a6f07bb03ff75a39d7dcde1a7b2331491098d98be50b7db6d8a2a744070194d768b75a77483f547c2db8511a
ssdeep: 12288:euJ/Gk/q8S219fiIG5uY8CMxdimzbIfFexONmkiXFSBfpl:XVzhh19k9MxQ6bIfFexOPSARl
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

Translation: 0x040c 0x04b0
InternalName: dwedfgzrsw3
FileVersion: 8.06.0004
CompanyName: Fitpay
Comments: Frasalg
ProductName: Overskrer
ProductVersion: 8.06.0004
OriginalFilename: dwedfgzrsw3.exe

VirTool:Win32/VBInject.ACV!bit also known as:

GridinSoftTrojan.Ransom.Gen
BkavW32.AIDetect.malware2
Elasticmalicious (high confidence)
MicroWorld-eScanGen:Heur.PonyStealer.Rm2@dePX77ne
FireEyeGeneric.mg.21d63abf47dbca99
ALYacGen:Heur.PonyStealer.Rm2@dePX77ne
CylanceUnsafe
SangforTrojan.Win32.Save.a
CrowdStrikewin/malicious_confidence_100% (D)
BitDefenderGen:Heur.PonyStealer.Rm2@dePX77ne
K7GWTrojan ( 0050da7b1 )
K7AntiVirusTrojan ( 0050da7b1 )
BitDefenderThetaGen:NN.ZevbaF.34590.Rm2@aePX77ne
SymantecML.Attribute.HighConfidence
APEXMalicious
AvastWin32:Malware-gen
ClamAVWin.Packer.VbPack-0-6334882-0
KasperskyTrojan-Ransom.Win32.Blocker.jzcj
AlibabaRansom:Win32/Blocker.cdbeee32
NANO-AntivirusTrojan.Win32.Blocker.fgwbxd
RisingTrojan.VBKryjetor!8.778 (CLOUD)
Ad-AwareGen:Heur.PonyStealer.Rm2@dePX77ne
EmsisoftGen:Heur.PonyStealer.Rm2@dePX77ne (B)
ComodoMalware@#hqzcow6iywi7
F-SecureHeuristic.HEUR/AGEN.1112794
DrWebTrojan.VbCrypt.1498
ZillyaTrojan.Blocker.Win32.37517
TrendMicroTSPY_HPLOKI.SMVB1
McAfee-GW-EditionPacked-KC!21D63ABF47DB
SophosMal/Generic-R + Mal/FareitVB-M
IkarusTrojan.Win32.Injector
JiangminTrojan.Blocker.iyc
AviraHEUR/AGEN.1112794
MAXmalware (ai score=82)
Antiy-AVLTrojan[Ransom]/Win32.Blocker
MicrosoftVirTool:Win32/VBInject.ACV!bit
ArcabitTrojan.PonyStealer.ECDD8A
ZoneAlarmTrojan-Ransom.Win32.Blocker.jzcj
GDataGen:Heur.PonyStealer.Rm2@dePX77ne
CynetMalicious (score: 100)
AhnLab-V3Win-Trojan/VBKrypt.RP.X1764
McAfeePacked-KC!21D63ABF47DB
VBA32TScope.Trojan.VB
MalwarebytesMachineLearning/Anomalous.100%
PandaTrj/GdSda.A
ESET-NOD32a variant of Win32/Injector.DNLL
TrendMicro-HouseCallTSPY_HPLOKI.SMVB1
TencentMalware.Win32.Gencirc.10cb6662
YandexTrojan.GenAsa!FQrLfqRv/cU
SentinelOneStatic AI – Malicious PE
eGambitPE.Heur.InvalidSig
FortinetW32/Injector.EJWI!tr
AVGWin32:Malware-gen
Paloaltogeneric.ml
Qihoo-360Win32/Trojan.Ransom.51f

How to remove VirTool:Win32/VBInject.ACV!bit virus?

Unwanted application has ofter come with other viruses and spyware. This threats can steal account credentials, or crypt your documents for ransom.
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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.ACV!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:Win32/VBInject.ACV!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/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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