Win32/Disabler.NAV

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

What is Win32/Disabler.NAV infection?

In this article you will find regarding the meaning of Win32/Disabler.NAV and its adverse impact on your computer system. Such ransomware are a form of malware that is specified by on the internet frauds to require paying the ransom money by a sufferer.

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.

In the majority of the cases, Win32/Disabler.NAV ransomware will advise its victims to launch funds move for the purpose of neutralizing the amendments that the Trojan infection has introduced to the target’s device.

Win32/Disabler.NAV Summary

These alterations can be as follows:

  • 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.
  • Unconventionial binary language: Chinese (Simplified);
  • Unconventionial language used in binary resources: Chinese (Simplified);
  • The binary likely contains encrypted or compressed data. In this case, encryption is a way of hiding virus’ code from antiviruses and virus’ analysts.
  • Deletes its original binary from disk;
  • Likely installs a bootkit via raw harddisk modifications;
  • Attempts to restart the guest VM;
  • 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
  • Network activity detected but not expressed in API logs. Microsoft built an API solution right into its Windows operating system it reveals network activity for all apps and programs that ran on the computer in the past 30-days. This malware hides network activity.
  • Creates a copy of itself;
  • Ciphering the records located on the victim’s hard disk — so the sufferer can no more make use of the information;
  • Preventing routine access to the sufferer’s workstation;
Similar behavior
Related domains
z.whorecord.xyzRansom:Win32/Foreign.cb32951b
a.tomx.xyzRansom:Win32/Foreign.cb32951b

Win32/Disabler.NAV

The most common networks whereby Win32/Disabler.NAV are infused are:

  • By means of phishing emails;
  • As a consequence of user ending up on a resource that holds a destructive software;

As soon as the Trojan is successfully injected, it will either cipher the information on the target’s computer or protect against the tool from working in a correct manner – while also placing a ransom note that points out the demand for the sufferers to effect the payment for the function of decrypting the papers or restoring the file system back to the first condition. In a lot of instances, the ransom note will come up when the client reboots the COMPUTER after the system has actually currently been damaged.

Win32/Disabler.NAV circulation channels.

In different edges of the world, Win32/Disabler.NAV grows by leaps and bounds. Nonetheless, the ransom money notes as well as methods of obtaining the ransom quantity might vary relying on particular regional (regional) setups. The ransom notes and also techniques of extorting the ransom amount might differ depending on particular neighborhood (local) settings.

Ransomware injection

As an example:

    Faulty notifies about unlicensed software application.

    In certain areas, the Trojans commonly wrongfully report having identified some unlicensed applications enabled on the victim’s tool. The alert then demands the customer to pay the ransom money.

    Faulty declarations concerning prohibited material.

    In nations where software piracy is much less preferred, this method is not as effective for the cyber frauds. Alternatively, the Win32/Disabler.NAV popup alert might incorrectly assert to be stemming from a law enforcement institution and also will certainly report having situated kid pornography or other illegal data on the tool.

    Win32/Disabler.NAV popup alert might wrongly assert to be acquiring from a law enforcement establishment and will certainly report having located youngster pornography or other prohibited data on the gadget. The alert will in a similar way contain a demand for the user to pay the ransom money.

Technical details

File Info:

crc32: D226014E
md5: 638aae74daf945ca0de3f3bcc4511dc5
name: 638AAE74DAF945CA0DE3F3BCC4511DC5.mlw
sha1: 0a06635b7bbc6b4755d4769fc85b9732c5b6b31a
sha256: 0dc8c361131e182e56113a78e45d04a569fd805f59ef78545cdf2c77e52fb590
sha512: e8c722ae9c0bc0758082c63ce43fcd29d472e49b3c524df6d77b958ac2f710ace6d82fb6221396694887873ca949bf10701ac61f7007a12e4e469428304bd518
ssdeep: 24576:L7+9w0xFjhNNttBBFzM1Cq1VlPinTZiUytWkqAHdbUMHN:La95NNHBF7iDPinIlZLN
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

LegalCopyright: x987ax54e5 x7248x6743x6240x6709
FileVersion: 1.0.0.0
CompanyName: x987ax54e5
Comments: x672cx7a0bx5e8fx4f7fx7528x6613x8bedx8a00x7f16x5199(http://www.eyuyan.com)
ProductName: x6d4bx8bd5x7a0bx5e8f
ProductVersion: 1.0.0.0
FileDescription: x6613x8bedx8a00x7a0bx5e8f
Translation: 0x0804 0x04b0

Win32/Disabler.NAV also known as:

GridinSoftTrojan.Ransom.Gen
K7AntiVirusTrojan ( 005246d51 )
Elasticmalicious (high confidence)
CynetMalicious (score: 100)
CylanceUnsafe
SangforTrojan.Win32.Save.a
CrowdStrikewin/malicious_confidence_90% (W)
AlibabaRansom:Win32/Foreign.cb32951b
K7GWTrojan ( 005246d51 )
Cybereasonmalicious.b7bbc6
BaiduWin32.Trojan.KillAV.f
CyrenW32/Agent.EW.gen!Eldorado
SymantecML.Attribute.HighConfidence
ESET-NOD32a variant of Win32/Disabler.NAV
APEXMalicious
AvastWin32:RansomX-gen [Ransom]
ClamAVWin.Trojan.Generic-9779041-0
KasperskyUDS:Trojan-Ransom.Win32.Foreign.naew
SophosMal/Generic-S
ComodoWorm.Win32.Dropper.RA@1qraug
BitDefenderThetaGen:NN.ZexaF.34690.rr0@aaku47kb
McAfee-GW-EditionBehavesLike.Win32.Generic.th
FireEyeGeneric.mg.638aae74daf945ca
SentinelOneStatic AI – Malicious PE
JiangminHeur:Trojan/AntiAV
eGambitUnsafe.AI_Score_98%
MicrosoftTrojan:Win32/Emotet!ml
GDataWin32.Application.PUPStudio.A
AhnLab-V3Malware/Win.Generic.C4469415
Acronissuspicious
McAfeeArtemis!638AAE74DAF9
MalwarebytesTrojan.MalPack.FlyStudio
RisingRansom.Dexcrypt!1.B151 (CLOUD)
IkarusTrojan.Win32.Disabler
MaxSecureDropper.Dinwod.frindll
FortinetW32/CoinMiner.65CA!tr
AVGWin32:RansomX-gen [Ransom]
Paloaltogeneric.ml

How to remove Win32/Disabler.NAV 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/Disabler.NAV 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/Disabler.NAV 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