What is Worm:Win32/Vobfus.DE infection?

In this article you will certainly find concerning the definition of Worm:Win32/Vobfus.DE and its unfavorable impact on your computer system. Such ransomware are a form of malware that is elaborated by on-line scams to demand paying the ransom money by a sufferer.

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Most of the instances, Worm:Win32/Vobfus.DE infection will advise its sufferers to launch funds transfer for the purpose of reducing the effects of the amendments that the Trojan infection has introduced to the sufferer’s device.

Worm:Win32/Vobfus.DE Summary

These alterations 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.
  • 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.

  • Sniffs keystrokes;
  • Tries to unhook or modify Windows functions monitored by Cuckoo;
  • Anomalous binary characteristics. This is a way of hiding virus’ code from antiviruses and virus’ analysts.
  • Ciphering the records found on the victim’s hard disk drive — so the victim can no more use the data;
  • Preventing normal accessibility 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 typical channels through which Worm:Win32/Vobfus.DE are injected are:

  • By ways of phishing emails;
  • As a consequence of individual winding up on a source that hosts a malicious software;

As quickly as the Trojan is effectively infused, it will certainly either cipher the data on the target’s PC or avoid the tool from functioning in a correct way – while also placing a ransom money note that discusses the demand for the sufferers to effect the settlement for the function of decrypting the documents or recovering the documents system back to the initial problem. In the majority of circumstances, the ransom money note will show up when the customer reboots the PC after the system has actually already been damaged.

Worm:Win32/Vobfus.DE circulation networks.

In different edges of the world, Worm:Win32/Vobfus.DE expands by jumps and also bounds. Nevertheless, the ransom notes and tricks of extorting the ransom quantity might vary depending upon particular neighborhood (regional) setups. The ransom money notes and also tricks of extorting the ransom quantity may differ depending on particular local (regional) setups.

Ransomware injection

As an example:

    Faulty signals concerning unlicensed software application.

    In certain areas, the Trojans usually wrongfully report having spotted some unlicensed applications allowed on the victim’s device. The alert then requires the user to pay the ransom money.

    Faulty statements concerning unlawful material.

    In nations where software program piracy is much less prominent, this approach is not as reliable for the cyber fraudulences. Alternatively, the Worm:Win32/Vobfus.DE popup alert may falsely assert to be deriving from a police establishment and also will certainly report having situated kid pornography or various other prohibited data on the gadget.

    Worm:Win32/Vobfus.DE popup alert might incorrectly declare to be obtaining from a regulation enforcement institution as well as will certainly report having located youngster pornography or various other illegal data on the tool. The alert will likewise have a demand for the user to pay the ransom.

Technical details

File Info:

crc32: ABAEA024
md5: da9ef5e10d8c216d269a355e9ce92c63
name: DA9EF5E10D8C216D269A355E9CE92C63.mlw
sha1: 4bef88873d6ce95ab015c1dd4ecfd65167466689
sha256: 3cf765206b00a817efda4a9a4eacfc162cac00c12802d03f8d5599354a78421a
sha512: a44475bf5dfc6086decd79f866cc74b5ba02a376536df05dd6cf45745b308e2d4790dc1a6efe9bff0b6c1b65b889184922f7dafce002617cfd588579005c8b8a
ssdeep: 6144:U41rmjxvbSNeP40p7W3lw8f/ykRbKxU1OFI/vLJWtt2uhYZ6ki/O:U4ZU5bSL0psf/IxyPnL+ouhKiG
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

Translation: 0x0409 0x04b0
InternalName: server
FileVersion: 5.00
ProductName: Ymgsr
ProductVersion: 5.00
OriginalFilename: server.exe

Worm:Win32/Vobfus.DE also known as:

GridinSoft Trojan.Ransom.Gen
Bkav W32.AIDetect.malware1
K7AntiVirus P2PWorm ( 00136f0d1 )
Elastic malicious (high confidence)
DrWeb Trojan.DownLoader5.41634
Cynet Malicious (score: 100)
CAT-QuickHeal TrojanRansom.Blocker
ALYac Gen:Trojan.Heur.VP2.vqZ@aKvTykg
Cylance Unsafe
Zillya Worm.AutoRun.Win32.133628
Sangfor Trojan.Win32.Save.a
CrowdStrike win/malicious_confidence_100% (W)
Alibaba Ransom:Win32/Blocker.9a9345dd
K7GW P2PWorm ( 00136f0d1 )
Cybereason malicious.10d8c2
Symantec ML.Attribute.HighConfidence
ESET-NOD32 a variant of Win32/AutoRun.PSW.VB.H
APEX Malicious
Avast Win32:Trojan-gen
ClamAV Win.Malware.Cospet-6726573-0
Kaspersky Trojan-Ransom.Win32.Blocker.hdzg
BitDefender Gen:Trojan.Heur.VP2.vqZ@aKvTykg
NANO-Antivirus Trojan.Win32.Blocker.errfhv
MicroWorld-eScan Gen:Trojan.Heur.VP2.vqZ@aKvTykg
Tencent Malware.Win32.Gencirc.10b58f5d
Ad-Aware Gen:Trojan.Heur.VP2.vqZ@aKvTykg
Sophos Mal/Generic-S
Comodo Malware@#2lza657t22kss
BitDefenderTheta AI:Packer.C4D808811F
VIPRE Trojan.Win32.Generic!BT
McAfee-GW-Edition BehavesLike.Win32.Dropper.fh
FireEye Generic.mg.da9ef5e10d8c216d
Emsisoft Gen:Trojan.Heur.VP2.vqZ@aKvTykg (B)
SentinelOne Static AI – Malicious PE
Avira TR/Spy.Gen
eGambit RAT.LostDoor
Microsoft Worm:Win32/Vobfus.DE
AegisLab Trojan.Win32.Blocker.j!c
ZoneAlarm Trojan-Ransom.Win32.Blocker.hdzg
GData Gen:Trojan.Heur.VP2.vqZ@aKvTykg
AhnLab-V3 Trojan/Win32.Cospet.R2764
McAfee GenericRXAA-AA!DA9EF5E10D8C
MAX malware (ai score=100)
VBA32 BScope.Worm.WBNA
Malwarebytes Malware.AI.4260108780
Panda Generic Suspicious
Rising Backdoor.LostDoor!1.CB41 (CLOUD)
Yandex Trojan.GenAsa!TE5uEd2Ev0s
Ikarus Trojan-PWS.Win32.VB
Fortinet W32/Blocker.HDZ!tr
AVG Win32:Trojan-gen
Paloalto generic.ml
Qihoo-360 Win32/Ransom.Blocker.HgIASOkA

How to remove Worm:Win32/Vobfus.DE ransomware?

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 Worm:Win32/Vobfus.DE 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 Worm:Win32/Vobfus.DE you can always ask me in the comments for getting help.

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  1. GridinSoft Anti-Malware Review from HowToFix site: https://howtofix.guide/gridinsoft-anti-malware/
  2. More information about GridinSoft products: https://gridinsoft.com/products/

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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