Worm:Win32/Vobfus.BG Virus Removal

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

Spectating the Worm:Win32/Vobfus.BG malware detection usually means that your computer is in big danger. This virus can correctly be identified as ransomware – virus which encrypts your files and forces you to pay for their decryption. Stopping it requires some specific steps that must be taken as soon as possible.

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Worm:Win32/Vobfus.BG detection is a virus detection you can spectate in your system. It usually shows up after the provoking actions on your computer – opening the untrustworthy e-mail, clicking the advertisement in the Web or installing the program from unreliable resources. From the second it appears, you have a short time to do something about it before it starts its malicious action. And be sure – it is much better not to wait for these destructive things.

What is Worm:Win32/Vobfus.BG virus?

Worm:Win32/Vobfus.BG is ransomware-type malware. It searches for the documents on your disk drive, ciphers it, and after that asks you to pay the ransom for getting the decryption key. Besides making your files locked, this virus additionally does a ton of harm to your system. It alters the networking settings in order to prevent you from looking for the elimination guides or downloading the antivirus. In some cases, Worm:Win32/Vobfus.BG can additionally stop the launching of anti-malware programs.

Worm:Win32/Vobfus.BG Summary

In total, Worm:Win32/Vobfus.BG ransomware activities in the infected computer are next:

  • Behavioural detection: Executable code extraction – unpacking;
  • Reads data out of its own binary image;
  • CAPE extracted potentially suspicious content;
  • Drops a binary and executes it;
  • Authenticode signature is invalid;
  • Behavioural detection: Injection (inter-process);
  • Anomalous binary characteristics;
  • Attempts to modify Explorer settings to prevent hidden files from being displayed;
  • Encrypting the files located on the victim’s disk drive — so the victim cannot open these files;
  • Blocking the launching of .exe files of security tools
  • Blocking the launching of installation files of anti-malware programs

Ransomware has been a major problem for the last 4 years. It is hard to realize a more harmful virus for both individual users and businesses. The algorithms used in Worm:Win32/Vobfus.BG (usually, RHA-1028 or AES-256) are not hackable – with minor exclusions. To hack it with a brute force, you need a lot more time than our galaxy currently exists, and possibly will exist. However, that malware does not do all these bad things immediately – it may take up to a few hours to cipher all of your documents. Therefore, seeing the Worm:Win32/Vobfus.BG detection is a clear signal that you should begin the removal procedure.

Where did I get the Worm:Win32/Vobfus.BG?

General ways of Worm:Win32/Vobfus.BG distribution are usual for all other ransomware examples. Those are one-day landing sites where users are offered to download the free software, so-called bait e-mails and hacktools. Bait e-mails are a relatively modern tactic in malware distribution – you receive the email that mimics some normal notifications about deliveries or bank service conditions changes. Within the e-mail, there is an infected MS Office file, or a web link which leads to the exploit landing site.

Malicious email spam

Malicious email message. This one tricks you to open the phishing website.

Avoiding it looks quite uncomplicated, but still needs tons of attention. Malware can hide in various spots, and it is far better to prevent it even before it gets into your system than to rely on an anti-malware program. Common cybersecurity awareness is just an important thing in the modern-day world, even if your interaction with a PC stays on YouTube videos. That can save you a great deal of money and time which you would spend while searching for a fixing guide.

Worm:Win32/Vobfus.BG malware technical details

File Info:

name: 592E5999C92404EF68E7.mlw
path: /opt/CAPEv2/storage/binaries/d17bb7a4a12885a302601892eb05c18fe557d4218c7e2a89d8b9e88fc2e2854a
crc32: E86F4039
md5: 592e5999c92404ef68e707f9fecca9ab
sha1: 8af76152d510740670e6ac1fa5c361a1c8184876
sha256: d17bb7a4a12885a302601892eb05c18fe557d4218c7e2a89d8b9e88fc2e2854a
sha512: 8fb3b89ca481b12fe98a606689fe8460aa0009b3489e9772e594f924dd9446cc20a50f90dee2743558a9dea05724f48e210584fe213e9ad4c653d955267bbfb1
ssdeep: 1536:rgBZyzgzWwmhLmncdkadGVScGYJXeiyCnO+TI4K4I4i404R4Z1VcvsJOpPpMm4/F:y8QW6cOadGRJuH7ut/Tdvd+hXV/vU3vk
type: PE32 executable (GUI) Intel 80386, for MS Windows
tlsh: T144A3812B778010D3D51852B92DD3B3C715B272851A2739831A2027AAED66F411B7EAFF
sha3_384: b9f6a0b2e9af7cd65911ebbc4cfbbc9004fe7fe4ce761129cbdad6006a73e5e05e1d5a5f05368fa8d0dce8231eda8544
ep_bytes: 6848134000e8eeffffff000000000000
timestamp: 2011-02-16 16:33:27

Version Info:

Translation: 0x0409 0x04b0
ProductName: nOoYxuMSPMTypaTbcoN
FileVersion: 2.59
ProductVersion: 2.59
InternalName: QJUcIAc
OriginalFilename: QJUcIAc.exe

Worm:Win32/Vobfus.BG also known as:

Bkav W32.AIDetectMalware
Lionic Trojan.Win32.VBKrypt.lkoQ
Elastic malicious (high confidence)
DrWeb Win32.HLLW.Autoruner1.62389
MicroWorld-eScan Gen:Variant.VBRansom.1
FireEye Generic.mg.592e5999c92404ef
CAT-QuickHeal Trojan.Beebone.D
Skyhigh BehavesLike.Win32.VBObfus.nt
McAfee VBObfus.f
Malwarebytes Generic.Malware.AI.DDS
Sangfor Suspicious.Win32.Save.vb
K7AntiVirus P2PWorm ( 004ca4871 )
Alibaba Malware:Win32/km_2f9164.None
K7GW P2PWorm ( 004ca4871 )
CrowdStrike win/malicious_confidence_100% (W)
BitDefenderTheta AI:Packer.C7B336031D
VirIT Trojan.Win32.Generic.RHJ
Symantec W32.Changeup!gen10
ESET-NOD32 a variant of Win32/AutoRun.VB.ABE
APEX Malicious
TrendMicro-HouseCall WORM_VOBFUS.SMIA
ClamAV Win.Trojan.Changeup-6169544-0
Kaspersky Trojan.Win32.VBKrypt.cvwb
BitDefender Gen:Variant.VBRansom.1
NANO-Antivirus Trojan.Win32.VBKrypt.jwfwwi
Avast Win32:VB-RFX [Trj]
Rising Worm.VobfusEx!1.99EB (CLASSIC)
Emsisoft Gen:Variant.VBRansom.1 (B)
Google Detected
F-Secure Trojan.TR/Dropper.Gen
VIPRE Gen:Variant.VBRansom.1
Trapmine malicious.high.ml.score
Sophos W32/SillyFDC-FT
SentinelOne Static AI – Malicious PE
GData Gen:Variant.VBRansom.1
Varist W32/Vobfus.O.gen!Eldorado
Avira TR/Dropper.Gen
MAX malware (ai score=80)
Antiy-AVL Worm/Win32.WBNA.gen
Kingsoft malware.kb.a.1000
Xcitium Packed.Win32.Krap.BV@2qqlmo
Arcabit Trojan.VBRansom.1
ViRobot Trojan.Win32.A.VBKrypt.98304.H
ZoneAlarm Trojan.Win32.VBKrypt.cvwb
Microsoft Worm:Win32/Vobfus.BG
Cynet Malicious (score: 100)
AhnLab-V3 Trojan/Win32.VBKrypt.R3075
VBA32 Trojan.VBRA.010797
ALYac Gen:Variant.VBRansom.1
TACHYON Trojan/W32.VBKrypt.98304
Cylance unsafe
Panda Generic Malware
Tencent Trojan.Win32.VBKrypt.hd
Ikarus Trojan-Dropper.SuspectCRC
MaxSecure Trojan.Malware.300983.susgen
Fortinet W32/AutoRun.XM!worm
AVG Win32:VB-RFX [Trj]
Cybereason malicious.9c9240
DeepInstinct MALICIOUS
alibabacloud Trojan.Win.UnkAgent

How to remove Worm:Win32/Vobfus.BG?

Worm:Win32/Vobfus.BG malware is extremely difficult to delete by hand. It places its documents in numerous places throughout the disk, and can restore itself from one of the elements. Furthermore, a number of modifications in the registry, networking settings and also Group Policies are fairly hard to discover and revert to the original. It is much better to make use of a specific app – exactly, an anti-malware tool. GridinSoft Anti-Malware will definitely fit the most ideal for virus elimination reasons.

Remove Worm:Win32/Vobfus.BG with Gridinsoft Anti-Malware

We have also been using this software on our systems ever since, and it has always been successful in detecting viruses. It has blocked the most common Trojans as shown from our tests with the software, and we assure you that it can remove Worm:Win32/Vobfus.BG as well as other malware hiding on your computer.

Gridinsoft Anti-Malware - Main Screen

To use Gridinsoft for remove malicious threats, follow the steps below:

1. Begin by downloading Gridinsoft Anti-Malware, accessible via the blue button below or directly from the official website gridinsoft.com.

2.Once the Gridinsoft setup file (setup-gridinsoft-fix.exe) is downloaded, execute it by clicking on the file.


3.Follow the installation setup wizard's instructions diligently.

Gridinsoft Setup Wizard

4. Access the "Scan Tab" on the application's start screen and launch a comprehensive "Full Scan" to examine your entire computer. This inclusive scan encompasses the memory, startup items, the registry, services, drivers, and all files, ensuring that it detects malware hidden in all possible locations.

Scan for Worm:Win32/Vobfus.BG Trojans

Be patient, as the scan duration depends on the number of files and your computer's hardware capabilities. Use this time to relax or attend to other tasks.

5. Upon completion, Anti-Malware will present a detailed report containing all the detected malicious items and threats on your PC.

The Worm:Win32/Vobfus.BG was Found

6. Select all the identified items from the report and confidently click the "Clean Now" button. This action will safely remove the malicious files from your computer, transferring them to the secure quarantine zone of the anti-malware program to prevent any further harmful actions.

The Worm:Win32/Vobfus.BG has been removed

8. If prompted, restart your computer to finalize the full system scan procedure. This step is crucial to ensure thorough removal of any remaining threats. After the restart, Gridinsoft Anti-Malware will open and display a message confirming the completion of the scan.

Remember Gridinsoft offers a 6-day free trial. This means you can take advantage of the trial period at no cost to experience the full benefits of the software and prevent any future malware infections on your system. Embrace this opportunity to fortify your computer's security without any financial commitment.

Trojan Killer for “Worm:Win32/Vobfus.BG” removal on locked PC

In situations where it becomes impossible to download antivirus applications directly onto the infected computer due to malware blocking access to websites, an alternative solution is to utilize the Trojan Killer application.

Trojan Killer - Main View

There is a really little number of security tools that are able to be set up on the USB drives, and antiviruses that can do so in most cases require to obtain quite an expensive license. For this instance, I can recommend you to use another solution of GridinSoft - Trojan Killer Portable. It has a 14-days cost-free trial mode that offers the entire features of the paid version. This term will definitely be 100% enough to wipe malware out.

Trojan Killer is a valuable tool in your cybersecurity arsenal, helping you to effectively remove malware from infected computers. Now, we will walk you through the process of using Trojan Killer from a USB flash drive to scan and remove malware on an infected PC. Remember, always obtain permission to scan and remove malware from a computer that you do not own.

Step 1: Download & Install Trojan Killer on a Clean Computer:

1. Go to the official GridinSoft website (gridinsoft.com) and download Trojan Killer to a computer that is not infected.

Download Trojan Killer

2. Insert a USB flash drive into this computer.

3. Install Trojan Killer to the "removable drive" following the on-screen instructions.

Install Trojan Killer to Removable Drive

4. Once the installation is complete, launch Trojan Killer.

Step 2: Update Signature Databases:

5. After launching Trojan Killer, ensure that your computer is connected to the Internet.

6. Click "Update" icon to download the latest signature databases, which will ensure the tool can detect the most recent threats.

Click Update Button

Step 3: Scan the Infected PC:

7. Safely eject the USB flash drive from the clean computer.

8. Boot the infected computer to the Safe Mode.

9. Insert the USB flash drive.

10. Run tk.exe

11. Once the program is open, click on "Full Scan" to begin the malware scanning process.

Searching Worm:Win32/Vobfus.BG Virus

Step 4: Remove Found Threats:

12. After the scan is complete, Trojan Killer will display a list of detected threats.

Searching Worm:Win32/Vobfus.BG Finished

13. Click on "Cure PC!" to remove the identified malware from the infected PC.

14. Follow any additional on-screen prompts to complete the removal process.

Restart needed

Step 5: Restart Your Computer:

15. Once the threats are removed, click on "Restart PC" to reboot your computer.

16. Remove the USB flash drive from the infected computer.

Congratulations on effectively removing Worm:Win32/Vobfus.BG and the concealed threats from your computer! You can now have peace of mind, knowing that they won't resurface again. Thanks to Gridinsoft's capabilities and commitment to cybersecurity, your system is now protected.

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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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