Written by Robert Bailey

What is Win32/Gpcode.NAD infection?

In this post you will find concerning the interpretation of Win32/Gpcode.NAD as well as its adverse influence on your computer. Such ransomware are a form of malware that is specified by on-line fraudulences to require paying the ransom by a target.

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 | GridinSoft

Most of the instances, Win32/Gpcode.NAD ransomware will advise its sufferers to initiate funds transfer for the function of counteracting the modifications that the Trojan infection has actually introduced to the victim’s tool.

Win32/Gpcode.NAD Summary

These modifications can be as complies with:

  • The binary likely contains encrypted or compressed data. In this case, encryption is a way of hiding virus’ code from antiviruses and virus’ analysts.
  • The executable is compressed using UPX;
  • Exhibits possible ransomware file modification behavior;
  • Appends a known multi-family ransomware file extension to files that have been encrypted;
  • Anomalous binary characteristics. This is a way of hiding virus’ code from antiviruses and virus’ analysts.
  • Ciphering the records situated on the victim’s hard disk drive — so the victim 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.


One of the most normal networks through which Win32/Gpcode.NAD are infused are:

  • By ways of phishing e-mails;
  • As an effect of individual winding up on a source that hosts a malicious software application;

As quickly as the Trojan is effectively injected, it will either cipher the data on the sufferer’s computer or stop the device from functioning in an appropriate way – while also positioning a ransom note that states the requirement for the victims to impact the repayment for the objective of decrypting the records or recovering the data system back to the first problem. In most circumstances, the ransom money note will certainly come up when the customer restarts the COMPUTER after the system has already been harmed.

Win32/Gpcode.NAD distribution networks.

In numerous corners of the globe, Win32/Gpcode.NAD grows by jumps and bounds. However, the ransom notes and tricks of extorting the ransom money quantity may differ depending upon certain local (regional) settings. The ransom notes and also methods of obtaining the ransom money quantity might differ depending on certain regional (regional) setups.

Ransomware injection

For example:

    Faulty signals concerning unlicensed software.

    In certain areas, the Trojans often wrongfully report having actually identified some unlicensed applications made it possible for on the target’s device. The sharp then demands the customer to pay the ransom.

    Faulty statements about illegal content.

    In countries where software piracy is less prominent, this method is not as effective for the cyber frauds. Conversely, the Win32/Gpcode.NAD popup alert may incorrectly declare to be deriving from a law enforcement organization and also will certainly report having situated youngster pornography or various other illegal information on the device.

    Win32/Gpcode.NAD popup alert may incorrectly claim to be obtaining from a legislation enforcement institution as well as will certainly report having situated youngster pornography or other unlawful data on the tool. The alert will likewise contain a requirement for the individual to pay the ransom.

Technical details

File Info:

crc32: 9E5758EF
md5: 66e37493c255103f12ca247ce454fd4d
name: 66E37493C255103F12CA247CE454FD4D.mlw
sha1: 6be5c76c2269c6b3fdffa9771ac61b7fb5ecd454
sha256: 4409d1a2ac0bef124c7dc103f08bc06fcad5345831a14f07ee5763e6cca72665
sha512: 099c6586ccc2511f2143b380670c10cfe35ef30fe58805758a63293a1acff22cdc23848f60cb18652b840b96e9e42d414b9bf9b6e2a1a7062069a1ad60d2fb25
ssdeep: 1536:5gsQ3f4josKKFPWBBFYV1mTs2VNl0As4We+BbeTAfz:5gsKnsz0i1mDVNlBs3e+pcO
type: PE32 executable (GUI) Intel 80386, for MS Windows, UPX compressed

Version Info:

0: [No Data]

Win32/Gpcode.NAD also known as:

GridinSoft Trojan.Ransom.Gen
Bkav W32.AIDetect.malware2
DrWeb Trojan.Encoder.19
Cynet Malicious (score: 100)
ALYac Gen:Variant.Jacard.177695
Cylance Unsafe
Zillya Trojan.Genome.Win32.93589
CrowdStrike win/malicious_confidence_100% (W)
Alibaba Ransom:Win32/Gpcode.0ba71cfc
Cybereason malicious.3c2551
Cyren W32/Risk.BBBZ-5517
Symantec ML.Attribute.HighConfidence
ESET-NOD32 Win32/Gpcode.NAD
APEX Malicious
TotalDefense Win32/Ransom.D!generic
Avast Win32:Malware-gen
ClamAV Win.Trojan.Genome-6873
BitDefender Gen:Variant.Jacard.177695
NANO-Antivirus Trojan.Win32.Gpcode.cwndpl
MicroWorld-eScan Gen:Variant.Jacard.177695
Tencent Trojan.Win32.Gomasom.a
Ad-Aware Gen:Variant.Jacard.177695
Sophos Mal/Generic-S
Comodo Malware@#o9z2q22ushov
BitDefenderTheta Gen:NN.ZelphiF.34628.dmGfaWpq0fj
VIPRE Trojan.Win32.Generic!BT
TrendMicro Ransom_Gpcode.R002C0OLQ20
McAfee-GW-Edition BehavesLike.Win32.Generic.qc
FireEye Gen:Variant.Jacard.177695
Emsisoft Gen:Variant.Jacard.177695 (B)
Jiangmin Trojan/Gpcode.t
Webroot W32.Malware.Gen
eGambit Unsafe.AI_Score_98%
Kingsoft Win32.Troj.Gpcode.(kcloud)
Microsoft Trojan:Win32/Orsam!rts
GData Gen:Variant.Jacard.177695
AhnLab-V3 Trojan/Win32.Genome.C21152
McAfee Artemis!66E37493C255
MAX malware (ai score=100)
Malwarebytes Malware.Heuristic.1003
Panda Trj/CI.A
TrendMicro-HouseCall Ransom_Gpcode.R002C0OLQ20
Rising Ransom.Gpcode!8.568 (CLOUD)
Yandex Trojan.GenAsa!KgMDhrOy/90
Ikarus Trojan-Ransom.Gpcode
MaxSecure Trojan.Malware.300983.susgen
Fortinet W32/Gpcode.NAD!tr.ransom
AVG Win32:Malware-gen
Qihoo-360 Win32/Ransom.Generic.HwsBEpsA

How to remove Win32/Gpcode.NAD 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/Gpcode.NAD 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/Gpcode.NAD you can always ask me in the comments for getting help.

User Review
0 (0 votes)
Comments Rating 0 (0 reviews)


  1. GridinSoft Anti-Malware Review from HowToFix site:
  2. More information about GridinSoft products:

About the author

Robert Bailey

Security Engineer. Interested in malware, reverse engineering, white ethical hacking. I like coding, travelling and bikes.

Leave a Reply


This site uses Akismet to reduce spam. Learn how your comment data is processed.