What is Backdoor:Win32/VB infection?

In this post you will locate about the meaning of Backdoor:Win32/VB and its negative impact on your computer system. Such ransomware are a form of malware that is clarified by online fraudulences to require paying the ransom by a sufferer.

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Most of the situations, Backdoor:Win32/VB ransomware will advise its targets to launch funds move for the purpose of neutralizing the changes that the Trojan infection has presented to the sufferer’s tool.

Backdoor:Win32/VB 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.
  • 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.

  • Attempts to repeatedly call a single API many times in order to delay analysis time. This significantly complicates the work of the virus analyzer. Typical malware tactics!
  • Anomalous binary characteristics. This is a way of hiding virus’ code from antiviruses and virus’ analysts.
  • Ciphering the files located on the victim’s hard drive — so the sufferer can no more utilize 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.


One of the most normal networks where Backdoor:Win32/VB Ransomware are infused are:

  • By ways of phishing e-mails;
  • As an effect of individual winding up on a source that organizes a destructive software;

As quickly as the Trojan is effectively injected, it will either cipher the data on the target’s computer or prevent the tool from working in a proper manner – while also positioning a ransom money note that mentions the need for the victims to impact the payment for the function of decrypting the records or recovering the documents system back to the first problem. In the majority of instances, the ransom money note will certainly come up when the client reboots the COMPUTER after the system has actually currently been damaged.

Backdoor:Win32/VB distribution channels.

In various edges of the globe, Backdoor:Win32/VB grows by leaps and bounds. However, the ransom money notes as well as methods of obtaining the ransom money quantity might differ relying on specific neighborhood (regional) setups. The ransom money notes and tricks of obtaining the ransom money amount may vary depending on specific neighborhood (local) setups.

Ransomware injection

For example:

    Faulty notifies concerning unlicensed software.

    In particular locations, the Trojans usually wrongfully report having actually detected some unlicensed applications made it possible for on the target’s device. The sharp after that demands the individual to pay the ransom money.

    Faulty statements about unlawful web content.

    In countries where software application piracy is much less preferred, this method is not as reliable for the cyber fraudulences. Conversely, the Backdoor:Win32/VB popup alert may wrongly assert to be stemming from a law enforcement organization and also will certainly report having situated child porn or other prohibited information on the tool.

    Backdoor:Win32/VB popup alert may wrongly declare to be acquiring from a regulation enforcement organization and will certainly report having located youngster porn or other unlawful data on the gadget. The alert will likewise consist of a requirement for the customer to pay the ransom.

Technical details

File Info:

crc32: 8527A25A
md5: ccd9fe0b2c94142cdd9da379354c4d65
name: CCD9FE0B2C94142CDD9DA379354C4D65.mlw
sha1: 19180ae26a12304b96cbbdd704c945a392903831
sha256: 7ea940689040f5f0e2a35b15aedb40c8f7beaa67543733d0b4979d3d3230e373
sha512: 5b8522cbf37bf6111efa5e839dfcc866114deea158f25efe7d6e3687492a1dcf17c972a7685bb15ea898078b79bec663320f0767c6312d409fd5c6a88cc1b928
ssdeep: 96:SkqoA/W6Hd1Mgg3InG3GTYumaGSQN4HwP9ECEagB:ComWa/MggYGWTYf/DN4QWNa8
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

0: [No Data]

Backdoor:Win32/VB also known as:

GridinSoft Trojan.Ransom.Gen
K7AntiVirus Trojan ( 0001140e1 )
Elastic malicious (high confidence)
DrWeb Win32.HLLW.VBNA.based
Cynet Malicious (score: 100)
ALYac Gen:Variant.Zusy.46907
Cylance Unsafe
Sangfor Trojan.Win32.Save.a
CrowdStrike win/malicious_confidence_60% (D)
K7GW Trojan ( 0001140e1 )
Cybereason malicious.b2c941
Cyren W32/Risk.UOAU-8655
Symantec ML.Attribute.HighConfidence
ESET-NOD32 Win32/TrojanDropper.VB.BJ
APEX Malicious
Avast Win32:VB-AWT [Trj]
ClamAV Win.Trojan.VB-91
Kaspersky Trojan-Ransom.Win32.Blocker.igfs
BitDefender Gen:Variant.Zusy.46907
NANO-Antivirus Trojan.Win32.VB.ebzkue
MicroWorld-eScan Gen:Variant.Zusy.46907
Tencent Win32.Trojan-Dropper.Vb.czoz
Ad-Aware Gen:Variant.Zusy.46907
Sophos ML/PE-A + Troj/Delf-ALA
Comodo Malware@#3qiie3688ew7y
BitDefenderTheta AI:Packer.69751DAB1E
VIPRE Trojan.Win32.Generic!BT
TrendMicro TROJ_VB.JRB
McAfee-GW-Edition BehavesLike.Win32.VBObfus.lz
Emsisoft Gen:Variant.Zusy.46907 (B)
SentinelOne Static AI – Malicious PE
Avira TR/
Microsoft Backdoor:Win32/VB
Arcabit Trojan.Zusy.DB73B
GData Gen:Variant.Zusy.46907
AhnLab-V3 Dropper/Win32.Xema.R133793
McAfee MultiDropper-MX
MAX malware (ai score=89)
Panda Trj/Genetic.gen
TrendMicro-HouseCall TROJ_VB.JRB
Rising Dropper.Vbex!1.99F0 (CLASSIC)
Yandex Trojan.GenAsa!Uol7ng1KuY0
Ikarus Trojan-Dropper.Win32.VB.BJ
Fortinet W32/VBDropper.BJ!tr
AVG Win32:VB-AWT [Trj]
Qihoo-360 Win32/Trojan.Dropper.cf6

How to remove Backdoor:Win32/VB ransomware?

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.

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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.

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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 Backdoor:Win32/VB 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 Backdoor:Win32/VB you can always ask me in the comments for getting help.

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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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