Trojan:Win32/Neurevt.AC

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

What is Trojan:Win32/Neurevt.AC infection?

In this article you will locate regarding the definition of Trojan:Win32/Neurevt.AC as well as its unfavorable influence on your computer. Such ransomware are a form of malware that is clarified by online fraudulences to require paying the ransom by a target.

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In the majority of the cases, Trojan:Win32/Neurevt.AC infection will instruct its sufferers to launch funds transfer for the objective of counteracting the modifications that the Trojan infection has presented to the victim’s tool.

Trojan:Win32/Neurevt.AC 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.

  • The binary likely contains encrypted or compressed data. In this case, encryption is a way of hiding virus’ code from antiviruses and virus’ analysts.
  • Detects Sandboxie through the presence of a library;
  • Detects SunBelt Sandbox through the presence of a library;
  • Detects Bitdefender Antivirus through the presence of a library;
  • Enumerates services, possibly for anti-virtualization;
  • Attempts to remove evidence of file being downloaded from the Internet;
  • Exhibits behavior characteristics of BetaBot / Neurevt malware;
  • Creates a hidden or system file. The malware adds the hidden attribute to every file and folder on your system, so it appears as if everything has been deleted from your hard drive.
  • Attempts to identify installed analysis tools by a known file location;
  • Attempts to identify installed AV products by registry key;
  • Checks the version of Bios, possibly for anti-virtualization;
  • Checks the CPU name from registry, possibly for anti-virtualization;
  • Detects VirtualBox through the presence of a device;
  • Detects VirtualBox through the presence of a file;
  • Detects VMware through the presence of a device;
  • Detects VMware through the presence of a file;
  • Detects VMware through the presence of a registry key;
  • Attempts to modify browser security settings;
  • Operates on local firewall’s policies and settings;
  • Creates a copy of itself;
  • Attempts to disable browser security warnings;
  • Collects information to fingerprint the system. There are behavioral human characteristics that can be used to digitally identify a person to grant access to systems, devices, or data. Unlike passwords and verification codes, fingerprints are fundamental parts of user’s identities. Among the threats blocked on biometric data processing and storage systems is spyware, the malware used in phishing attacks (mostly spyware downloaders and droppers), ransomware, and Banking Trojans as posing the greatest danger.
  • Anomalous binary characteristics. This is a way of hiding virus’ code from antiviruses and virus’ analysts.
  • Ciphering the documents situated on the victim’s hard disk — so the target can no longer utilize the data;
  • Preventing routine accessibility to the victim’s workstation. This is the typical behavior of a virus called locker. It blocks access to the computer until the victim pays the ransom.

Trojan:Win32/Neurevt.AC

One of the most common networks where Trojan:Win32/Neurevt.AC Ransomware Trojans are injected are:

  • By means of phishing emails;
  • As an effect of customer winding up on a source that hosts a destructive software;

As soon as the Trojan is successfully injected, it will either cipher the data on the target’s PC or stop the tool from operating in a correct manner – while likewise placing a ransom money note that mentions the demand for the targets to effect the payment for the purpose of decrypting the records or recovering the file system back to the preliminary condition. In the majority of instances, the ransom note will certainly turn up when the customer reboots the PC after the system has currently been harmed.

Trojan:Win32/Neurevt.AC circulation channels.

In different edges of the world, Trojan:Win32/Neurevt.AC grows by jumps and bounds. However, the ransom money notes and also methods of obtaining the ransom quantity may vary depending upon specific neighborhood (regional) settings. The ransom money notes and also tricks of obtaining the ransom money quantity may differ depending on specific local (local) setups.

Ransomware injection

For example:

    Faulty alerts about unlicensed software program.

    In specific locations, the Trojans usually wrongfully report having discovered some unlicensed applications enabled on the target’s tool. The sharp after that demands the customer to pay the ransom money.

    Faulty statements regarding unlawful content.

    In countries where software application piracy is much less popular, this technique is not as efficient for the cyber fraudulences. Additionally, the Trojan:Win32/Neurevt.AC popup alert may incorrectly declare to be originating from a law enforcement organization and will report having located child porn or other illegal information on the device.

    Trojan:Win32/Neurevt.AC popup alert may falsely assert to be obtaining from a regulation enforcement institution and also will report having situated kid porn or other unlawful data on the gadget. The alert will similarly have a need for the individual to pay the ransom money.

Technical details

File Info:

crc32: C8B4CDDB
md5: 5edcdb3e45aded7f4009ff3d23c0b413
name: 5EDCDB3E45ADED7F4009FF3D23C0B413.mlw
sha1: 6794e8c725439d168b83ea0ae58ae373db20a8b2
sha256: 07b218daa70c70cdec1946b05a9f167be93f83bb51d357e4e82472abd6bc23ff
sha512: a564f6c96e50f135d435367bc96e0314281b3d143ef9172b8759b5a9d447306912f714a475d6924fb9c60bbd922f024c6f0b1b519534e2152c6c44b17dc01381
ssdeep: 6144:AJQgjs8rXFcNYqcCKh3hIwzmD6QViieYS+TuGXWnXBuJmxGsrEwIis:sHjs8zFcCrCKhRIwqD1L3sxJrEwIH
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

0: [No Data]

Trojan:Win32/Neurevt.AC also known as:

GridinSoftTrojan.Ransom.Gen
BkavW32.AIDetect.malware1
Elasticmalicious (high confidence)
MicroWorld-eScanGen:Variant.Johnnie.260264
FireEyeGeneric.mg.5edcdb3e45aded7f
McAfeeArtemis!5EDCDB3E45AD
CylanceUnsafe
AegisLabTrojan.Win32.Generic.4!c
K7AntiVirusTrojan ( 004bec7b1 )
BitDefenderGen:Variant.Johnnie.260264
K7GWTrojan ( 004bec7b1 )
Cybereasonmalicious.e45ade
BitDefenderThetaGen:NN.ZexaF.34590.zuX@aGYh@2bi
SymantecTrojan.Gen.MBT
ESET-NOD32Win32/Neurevt.I
APEXMalicious
AvastWin32:Malware-gen
KasperskyTrojan-Ransom.Win32.Foreign.oalp
NANO-AntivirusTrojan.Win32.Steam.falgvh
ViRobotTrojan.Win32.Agent.421040
RisingTrojan.Crypto!8.364 (CLOUD)
Ad-AwareGen:Variant.Johnnie.260264
EmsisoftGen:Variant.Johnnie.260264 (B)
ComodoMalware@#3qil470zfob35
F-SecureTrojan.TR/Crypt.ZPACK.Gen7
DrWebTrojan.PWS.Steam.11482
ZillyaTrojan.Foreign.Win32.57877
McAfee-GW-EditionBehavesLike.Win32.BadFile.gc
SophosMal/Generic-S + Mal/Kryptik-DC
SentinelOneStatic AI – Malicious PE
JiangminTrojan.Yakes.ixy
AviraTR/Crypt.ZPACK.Gen7
Antiy-AVLTrojan/Win32.Ocna
MicrosoftTrojan:Win32/Neurevt.AC
ArcabitTrojan.Johnnie.D3F8A8
AhnLab-V3Malware/Gen.Generic.C1390674
ZoneAlarmTrojan-Ransom.Win32.Foreign.oalp
GDataGen:Variant.Johnnie.260264
CynetMalicious (score: 100)
Acronissuspicious
VBA32BScope.Trojan.Deshacop
ALYacGen:Variant.Johnnie.260264
MAXmalware (ai score=96)
MalwarebytesMalware.AI.1304402116
PandaTrj/CI.A
TencentMalware.Win32.Gencirc.114bd131
YandexTrojan.Yakes!G0PICWmtoJI
IkarusTrojan.Win32.Crypt
FortinetW32/GandCrab.D!tr.ransom
AVGWin32:Malware-gen
Paloaltogeneric.ml
Qihoo-360Win32/Trojan.Foreign.HgIASOYA

How to remove Trojan:Win32/Neurevt.AC ransomware?

Unwanted application has ofter come with other viruses and spyware. This threats can steal account credentials, or crypt your documents for ransom.
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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/Neurevt.AC 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/Neurevt.AC 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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