Trojan:Win32/Vundo.OB

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

What is Trojan:Win32/Vundo.OB infection?

In this post you will certainly locate about the interpretation of Trojan:Win32/Vundo.OB as well as its unfavorable influence on your computer. Such ransomware are a kind of malware that is specified by on-line scams to require paying the ransom money by a target.

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Most of the instances, Trojan:Win32/Vundo.OB ransomware will certainly instruct its targets to launch funds transfer for the objective of counteracting the amendments that the Trojan infection has actually introduced to the sufferer’s gadget.

Trojan:Win32/Vundo.OB Summary

These adjustments can be as complies with:

  • Executable code extraction;
  • Reads data out of its own binary image;
  • Drops a binary and executes it;
  • Creates a hidden or system file;
  • Network activity detected but not expressed in API logs;
  • The sample wrote data to the system hosts file.;
  • Anomalous binary characteristics;
  • Ciphering the files located on the sufferer’s disk drive — so the target can no longer utilize the information;
  • Preventing routine access to the victim’s workstation;

Trojan:Win32/Vundo.OB

The most regular networks where Trojan:Win32/Vundo.OB Ransomware Trojans are injected are:

  • By ways of phishing emails;
  • As a repercussion of customer ending up on a resource that hosts a malicious software application;

As quickly as the Trojan is successfully injected, it will certainly either cipher the data on the target’s computer or avoid the gadget from functioning in a correct way – while also putting a ransom note that states the need for the targets to effect the payment for the objective of decrypting the documents or recovering the documents system back to the preliminary condition. In the majority of instances, the ransom money note will turn up when the client restarts the PC after the system has currently been harmed.

Trojan:Win32/Vundo.OB distribution networks.

In various corners of the world, Trojan:Win32/Vundo.OB expands by jumps and also bounds. However, the ransom notes and also methods of obtaining the ransom quantity might vary depending on certain regional (regional) setups. The ransom notes and techniques of obtaining the ransom quantity might vary depending on specific regional (local) settings.

Ransomware injection

For instance:

    Faulty alerts about unlicensed software application.

    In specific areas, the Trojans commonly wrongfully report having actually detected some unlicensed applications allowed on the sufferer’s gadget. The sharp after that demands the customer to pay the ransom money.

    Faulty declarations concerning unlawful web content.

    In countries where software piracy is less popular, this approach is not as effective for the cyber frauds. Conversely, the Trojan:Win32/Vundo.OB popup alert might incorrectly assert to be stemming from a law enforcement establishment as well as will certainly report having situated child pornography or various other unlawful data on the gadget.

    Trojan:Win32/Vundo.OB popup alert may incorrectly assert to be acquiring from a law enforcement organization as well as will report having located kid pornography or other unlawful information on the gadget. The alert will in a similar way contain a requirement for the individual to pay the ransom.

Technical details

File Info:

crc32: 016C435E
md5: ee537345446b26cd7edd7099f85e35aa
name: EE537345446B26CD7EDD7099F85E35AA.mlw
sha1: 4721a751ec150cd2a32467ef508b2c93ee13f3ce
sha256: 44a2e5824e3ad5f4fb4b06949e27cb72a7f98224df3c8efe51e3fe95a52745db
sha512: 2190c6a663c8efb65ac025ebb82ae8178beae2e5c6672d6905994b1b01b5586db3520dbff8e5d7531834ffe18b500326dc86f6ac95a91079b7d3d6435c3d412a
ssdeep: 6144:+8U2qy6rRZb7jxGYKSTJDPM83llq9v+evY56asFm8Yc01z/HjXF9GA75kEK:gzy6rRxE8UOlwvVvY5hom8z01LjKA7BK
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

0: [No Data]

Trojan:Win32/Vundo.OB also known as:

GridinSoftTrojan.Ransom.Gen
K7AntiVirusTrojan ( 00530ee71 )
Elasticmalicious (high confidence)
DrWebTrojan.Winlock.4207
CynetMalicious (score: 99)
ALYacTrojan.Generic.6105819
CylanceUnsafe
ZillyaTrojan.PornoBlocker.Win32.1587
SangforTrojan.Win32.Vundo.Gen
AlibabaRansom:Win32/PornoBlocker.c7e700f4
K7GWTrojan ( 00530ee71 )
Cybereasonmalicious.5446b2
BaiduWin32.Trojan.Generic.u
CyrenW32/A-3d5dfdc8!Eldorado
SymantecTrojan.ADH
ESET-NOD32multiple detections
APEXMalicious
AvastSFX:QHost-F [PUP]
ClamAVWin.Trojan.Pornoblocker-273
KasperskyTrojan.Win32.Hosts2.gen
BitDefenderTrojan.Generic.6105819
NANO-AntivirusTrojan.Win32.PornoBlocker.edxxvk
SUPERAntiSpywareTrojan.Agent/Gen-PCClient
MicroWorld-eScanTrojan.Generic.6105819
TencentWin32.Trojan.Hosts2.Amlv
Ad-AwareTrojan.Generic.6105819
SophosMal/Generic-R
ComodoSuspicious@#bpn6wcchs2xm
BitDefenderThetaAI:Packer.505DDF311C
VIPRETrojan.Win32.Generic.pak!cobra
TrendMicroTROJ_VUNDO.SMIC
McAfee-GW-EditionVundo.gen.fe
FireEyeTrojan.Generic.6105819
EmsisoftTrojan.Generic.6105819 (B)
SentinelOneStatic AI – Malicious SFX
JiangminTrojan/Agent.epps
WebrootW32.Trojan.Vkhost.Gen
AviraTR/Dropper.Gen
Antiy-AVLTrojan/Generic.ASMalwS.724F5C
KingsoftWin32.Troj.Generic_a.a.(kcloud)
MicrosoftTrojan:Win32/Vundo.OB
AegisLabTrojan.Win32.Agent.4!c
GDataTrojan.Generic.6105819
McAfeeArtemis!EE537345446B
MAXmalware (ai score=100)
VBA32BScope.TrojanDownloader.Vundo.A
MalwarebytesTrojan.Dropper.SFXAI
PandaTrj/CI.A
TrendMicro-HouseCallTROJ_VUNDO.SMIC
RisingTrojan.Generic@ML.100 (RDML:cRsG3SuLHK0bAJOfVH+tFw)
YandexTrojan.PornoBlocker!eoupr2OZ5j4
IkarusTrojan.Win32.VB
MaxSecureTrojan.Malware.300983.susgen
FortinetData/VkHost.EDC!tr
AVGSFX:QHost-F [PUP]
Paloaltogeneric.ml

How to remove Trojan:Win32/Vundo.OB 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 Trojan:Win32/Vundo.OB 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:

Full version of GridinSoft

Full version of GridinSoft Anti-Malware

If the guide doesn’t help you to remove Trojan:Win32/Vundo.OB 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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