Win32/TrojanDropper.VB.NFZ

What is the Win32:Evo-gen [Trj] virus?
Written by Robert Bailey
Spectating the Win32/TrojanDropper.VB.NFZ detection name usually means that your system is in big danger. This virus can correctly be named as ransomware – type of malware which ciphers your files and asks you to pay for their decryption. Stopping it requires some unusual steps that must be taken as soon as possible.
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Win32/TrojanDropper.VB.NFZ detection is a malware detection you can spectate in your computer. It frequently shows up after the preliminary actions on your computer – opening the dubious e-mail, clicking the advertisement in the Internet or setting up the program from unreliable resources. From the instance it appears, you have a short time to act before it starts its malicious action. And be sure – it is far better not to wait for these destructive actions.

What is Win32/TrojanDropper.VB.NFZ virus?

Win32/TrojanDropper.VB.NFZ is ransomware-type malware. It looks for the files on your disks, encrypts it, and then asks you to pay the ransom for getting the decryption key. Besides making your documents locked, this virus also does a ton of harm to your system. It modifies the networking settings in order to avoid you from reading the removal manuals or downloading the anti-malware program. In rare cases, Win32/TrojanDropper.VB.NFZ can additionally stop the launching of anti-malware programs.

Win32/TrojanDropper.VB.NFZ Summary

In summary, Win32/TrojanDropper.VB.NFZ ransomware actions in the infected system are next:

  • Behavioural detection: Executable code extraction – unpacking;
  • Yara rule detections observed from a process memory dump/dropped files/CAPE;
  • The binary contains an unknown PE section name indicative of packing;
  • The executable is likely packed with VMProtect;
  • Authenticode signature is invalid;
  • Checks for the presence of known devices from debuggers and forensic tools;
  • Checks for the presence of known devices from debuggers and forensic tools;
  • Anomalous binary characteristics;
  • Encrypting the documents located on the victim’s disks — so the victim cannot use these files;
  • Blocking the launching of .exe files of anti-virus programs
  • Blocking the launching of installation files of anti-virus apps

Ransomware has been a nightmare for the last 4 years. It is challenging to imagine a more dangerous virus for both individual users and organizations. The algorithms used in Win32/TrojanDropper.VB.NFZ (generally, 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 actually exists, and possibly will exist. But that virus does not do all these unpleasant things instantly – it can take up to a few hours to cipher all of your documents. Hence, seeing the Win32/TrojanDropper.VB.NFZ detection is a clear signal that you must begin the clearing procedure.

Where did I get the Win32/TrojanDropper.VB.NFZ?

Usual methods of Win32/TrojanDropper.VB.NFZ spreading are basic for all other ransomware examples. Those are one-day landing websites where victims are offered to download and install the free program, so-called bait e-mails and hacktools. Bait e-mails are a relatively modern strategy in malware spreading – you receive the e-mail that imitates some normal notifications about shippings or bank service conditions updates. Inside of 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.

Preventing it looks quite uncomplicated, however, still requires a lot of recognition. Malware can hide in different spots, and it is far better to prevent it even before it gets into your computer than to rely on an anti-malware program. Essential cybersecurity awareness is just an important item in the modern-day world, even if your relationship with a PC remains on YouTube videos. That may keep you a great deal of money and time which you would certainly spend while looking for a solution.

Win32/TrojanDropper.VB.NFZ malware technical details

File Info:

name: 75A703059053EFB81220.mlw
path: /opt/CAPEv2/storage/binaries/2db62cc6d300d7b4ab03a70d6e6724054058acbbf6ee6047c32c4f7deb0900cf
crc32: 2E462DFD
md5: 75a703059053efb81220594bd9bf4c8e
sha1: 9289328e7513171b40ad51101e0091c79cacc9df
sha256: 2db62cc6d300d7b4ab03a70d6e6724054058acbbf6ee6047c32c4f7deb0900cf
sha512: 7cc7c25cd7d74ddc4b1ca180050fe3fa98f48e7a5e08ffa3d85b56e8c19cd83ed5a595560787fdae30fe6faf5e81d0f7185696d2357691887630e6caae537598
ssdeep: 768:JupZtHFTf1DBfP1IDZQxEmPu/pBl980O3XBKw+EUO5uy5R7:op7Hdf1DFdIDZyRQQJnBLX9v
type: PE32 executable (GUI) Intel 80386, for MS Windows
tlsh: T19F436C22B55D8632F24887B70A6297F299197D74DE416F2B395AFF2C3D342839E91303
sha3_384: 29aee3bad7226555349a187d03b0756847cdc41565e043c5c4dc1979ad1015c4790aa0eb056dc45aec89462277afd7bb
ep_bytes: 6844844000e8451e0000757365723332
timestamp: 2008-08-14 11:14:58

Version Info:

Translation: 0x0409 0x04b0
CompanyName: Le!Tj0 CoDeR
ProductName: Project1
FileVersion: 1.00
ProductVersion: 1.00
InternalName: You Stub
OriginalFilename: You Stub.exe

Win32/TrojanDropper.VB.NFZ also known as:

BkavW32.AIDetect.malware2
LionicTrojan.Win32.Blocker.j!c
MicroWorld-eScanGen:Variant.Barys.2014
FireEyeGeneric.mg.75a703059053efb8
McAfeeGeneric Malware.ja
CylanceUnsafe
ZillyaBackdoor.Poison.Win32.9722
SangforSuspicious.Win32.Save.vb
K7AntiVirusTrojan ( 0055e3df1 )
AlibabaRansom:Win32/Blocker.b270c34a
K7GWTrojan ( 0055e3df1 )
Cybereasonmalicious.59053e
CyrenW32/Heuristic-162!Eldorado
SymantecML.Attribute.HighConfidence
Elasticmalicious (high confidence)
ESET-NOD32a variant of Win32/TrojanDropper.VB.NFZ
Paloaltogeneric.ml
CynetMalicious (score: 100)
KasperskyTrojan-Ransom.Win32.Blocker.hghp
BitDefenderGen:Variant.Barys.2014
NANO-AntivirusTrojan.Win32.Poison.jhgi
APEXMalicious
Ad-AwareGen:Variant.Barys.2014
EmsisoftGen:Variant.Barys.2014 (B)
ComodoBackdoor@#o57cfqatm6ip
DrWebTrojan.MulDrop.28816
VIPREGen:Variant.Barys.2014
SophosML/PE-A + Mal/Packer
IkarusTrojan-Dropper.Win32.VB
JiangminBackdoor/PoisonIvy.bhz
WebrootVir.Tool.Gen
AviraHEUR/AGEN.1226412
MAXmalware (ai score=100)
Antiy-AVLTrojan/Generic.ASMalwS.77
KingsoftWin32.Hack.Poison.i.(kcloud)
ArcabitTrojan.Barys.D7DE
ViRobotBackdoor.Win32.Poison.57344
GDataGen:Variant.Barys.2014
GoogleDetected
VBA32Malware-Cryptor.VB.gen.1
ALYacGen:Variant.Barys.2014
TACHYONBackdoor/W32.Poison.57344
MalwarebytesMalware.Heuristic.1003
AvastWin32:VB-PPV [Drp]
TencentWin32.Trojan.Blocker.Uwhl
SentinelOneStatic AI – Malicious PE
FortinetW32/BackDoor.IRO!tr.bdr
AVGWin32:VB-PPV [Drp]
PandaGeneric Malware
CrowdStrikewin/malicious_confidence_70% (W)

How to remove Win32/TrojanDropper.VB.NFZ?

Win32/TrojanDropper.VB.NFZ malware is very difficult to eliminate manually. It places its documents in several locations throughout the disk, and can restore itself from one of the elements. Moreover, numerous changes in the registry, networking setups and Group Policies are really hard to identify and change to the original. It is far better to make use of a special app – exactly, an anti-malware tool. GridinSoft Anti-Malware will fit the most ideal for virus elimination objectives.

Why GridinSoft Anti-Malware? It is very lightweight and has its detection databases updated practically every hour. Furthermore, it does not have such problems and exposures as Microsoft Defender does. The combination of these aspects makes GridinSoft Anti-Malware ideal for getting rid of malware of any form.

Remove the viruses with GridinSoft Anti-Malware

  • Download and install GridinSoft Anti-Malware. After the installation, you will be offered to perform the Standard Scan. Approve this action.
  • Gridinsoft Anti-Malware during the scan process

  • Standard scan checks the logical disk where the system files are stored, together with the files of programs you have already installed. The scan lasts up to 6 minutes.
  • GridinSoft Anti-Malware scan results

  • When the scan is over, you may choose the action for each detected virus. For all files of [SHORT_NAME] the default option is “Delete”. Press “Apply” to finish the malware removal.
  • GridinSoft Anti-Malware - After Cleaning
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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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