Win32/VB.OBS

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

What is Win32/VB.OBS infection?

In this short article you will find regarding the definition of Win32/VB.OBS and its negative impact on your computer. Such ransomware are a form of malware that is elaborated by on-line fraudulences to demand paying the ransom money by a victim.

GridinSoft Anti-Malware Review
It is better to prevent, than repair and repent!
When we talk about the intrusion of unfamiliar programs into your computer’s work, the proverb “Forewarned is forearmed” describes the situation as accurately as possible. Gridinsoft Anti-Malware is exactly the tool that is always useful to have in your armory: fast, efficient, up-to-date. It is appropriate to use it as an emergency help at the slightest suspicion of infection.
Gridinsoft Anti-Malware 6-day trial available.
EULA | Privacy Policy | 10% Off Coupon
Subscribe to our Telegram channel to be the first to know about news and our exclusive materials on information security.

Most of the cases, Win32/VB.OBS infection will certainly advise its targets to initiate funds move for the objective of counteracting the modifications that the Trojan infection has presented to the sufferer’s tool.

Win32/VB.OBS Summary

These adjustments 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.
  • Unconventionial language used in binary resources: Portuguese (Brazilian);
  • 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 located on the target’s hard disk drive — so the victim can no more utilize the information;
  • Preventing normal access to the sufferer’s workstation. This is the typical behavior of a virus called locker. It blocks access to the computer until the victim pays the ransom.

Win32/VB.OBS

One of the most normal channels where Win32/VB.OBS Ransomware Trojans are injected are:

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

As soon as the Trojan is effectively injected, it will either cipher the information on the sufferer’s PC or protect against the gadget from operating in a proper way – while likewise placing a ransom note that points out the requirement for the victims to effect the payment for the function of decrypting the papers or restoring the file system back to the initial problem. In a lot of instances, the ransom note will come up when the client restarts the PC after the system has already been harmed.

Win32/VB.OBS distribution channels.

In various corners of the globe, Win32/VB.OBS grows by jumps and bounds. However, the ransom notes and methods of extorting the ransom money amount may differ depending upon specific regional (local) settings. The ransom notes as well as tricks of extorting the ransom quantity may vary depending on specific local (local) settings.

Ransomware injection

For instance:

    Faulty signals concerning unlicensed software application.

    In specific locations, the Trojans typically wrongfully report having actually discovered some unlicensed applications made it possible for on the target’s tool. The sharp after that demands the user to pay the ransom.

    Faulty statements about prohibited content.

    In nations where software application piracy is less preferred, this approach is not as effective for the cyber scams. Alternatively, the Win32/VB.OBS popup alert may falsely assert to be stemming from a law enforcement institution as well as will certainly report having situated child porn or various other illegal information on the tool.

    Win32/VB.OBS popup alert may incorrectly assert to be deriving from a legislation enforcement establishment and also will report having located kid porn or various other prohibited information on the device. The alert will likewise have a requirement for the customer to pay the ransom money.

Technical details

File Info:

crc32: 7E2FEFBC
md5: ed9718c998690312724feadf811fd6e8
name: ED9718C998690312724FEADF811FD6E8.mlw
sha1: 02eedbca4effa1e120700cad4ac7bb7c0d8f1988
sha256: 8461818a73d630a2490f5ec41eab06aafe594e206728414d11082f1eb98004a0
sha512: 0694ba0d84bc552db7d9d300924365c86acb57c1f9fd83fd8da82439d36f9f5a132bebfa2565602e566b3a025a26735d43a627934a106bddc066a25481b7a4c5
ssdeep: 3072:27xfpm50Iuyr1DGwo4EfkUVy3KrLBhS4YwmzoSMeNz+22rkQKzzlMRz9R:+xfFyeVyKfTS49mz0ex+2LQKHK
type: PE32 executable (GUI) Intel 80386 (stripped to external PDB), for MS Windows, PECompact2 compressed

Version Info:

Translation: 0x0409 0x04b0
InternalName: roni.mdsn
FileVersion: 2.01.0012
CompanyName: naits
Comments: 2.1.0.12
ProductName: Msn
ProductVersion: 2.01.0012
OriginalFilename: roni.mdsn.exe

Win32/VB.OBS also known as:

GridinSoftTrojan.Ransom.Gen
BkavW32.AIDetect.malware1
K7AntiVirusP2PWorm ( 000132d91 )
Elasticmalicious (high confidence)
DrWebBACKDOOR.Trojan
CynetMalicious (score: 100)
ALYacGen:Trojan.Heur.qi0@s12MducOu
CylanceUnsafe
SangforTrojan.Win32.Save.a
CrowdStrikewin/malicious_confidence_100% (W)
AlibabaWorm:Win32/Vakooja.d2b495b5
K7GWP2PWorm ( 000132d91 )
Cybereasonmalicious.998690
CyrenW32/Vwealer.A.gen!Eldorado
SymantecML.Attribute.HighConfidence
ESET-NOD32a variant of Win32/VB.OBS
APEXMalicious
AvastWin32:Fakemplay-A [Trj]
ClamAVWin.Trojan.Vilsel-9762776-0
BitDefenderGen:Trojan.Heur.qi0@s12MducOu
NANO-AntivirusTrojan.Win32.VB.ihlhme
MicroWorld-eScanGen:Trojan.Heur.qi0@s12MducOu
TencentWin32.Trojan.Patched.Anpn
Ad-AwareGen:Trojan.Heur.qi0@s12MducOu
SophosMal/Generic-R + Mal/Vakooja-B
ComodoTrojWare.Win32.Banker.asi@204bbj
BitDefenderThetaAI:Packer.F1962B111D
VIPRETrojan.Win32.Generic.pak!cobra
TrendMicroTROJ_GEN.R067C0PLT20
McAfee-GW-EditionBehavesLike.Win32.Swisyn.dm
FireEyeGeneric.mg.ed9718c998690312
EmsisoftGen:Trojan.Heur.qi0@s12MducOu (B)
SentinelOneStatic AI – Malicious PE
AviraTR/Patched.Ren.Gen
MicrosoftRansom:Win32/Ako
ArcabitTrojan.Heur.ED6837
GDataGen:Trojan.Heur.qi0@s12MducOu
Acronissuspicious
McAfeeRDN/Generic.dx
MAXmalware (ai score=84)
VBA32MAS.Trojan.VB.0879
MalwarebytesMalware.Heuristic.1001
PandaTrj/CI.A
TrendMicro-HouseCallTROJ_GEN.R067C0PLT20
RisingRansom.Ako!8.11665 (CLOUD)
YandexTrojan.GenAsa!unKAWMm/GnQ
IkarusTrojan.Win32.Vilsel
MaxSecureTrojan.Malware.109653022.susgen
FortinetW32/Vakooja.B!tr
AVGWin32:Fakemplay-A [Trj]
Paloaltogeneric.ml
Qihoo-360Win32/Trojan.2f7

How to remove Win32/VB.OBS 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 Win32/VB.OBS 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 Win32/VB.OBS you can always ask me in the comments for getting help.

Sending
User Review
0 (0 votes)
Comments Rating 0 (0 reviews)

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.

Leave a Reply

Sending