What is Win32/Gpcode.AC infection?

In this short article you will certainly find about the interpretation of Win32/Gpcode.AC as well as its negative impact on your computer system. Such ransomware are a type of malware that is specified by on-line frauds to require paying the ransom by a sufferer.

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In the majority of the situations, Win32/Gpcode.AC infection will advise its victims to start funds move for the function of reducing the effects of the modifications that the Trojan infection has presented to the target’s device.

Win32/Gpcode.AC Summary

These modifications can be as adheres to:

  • 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;
  • 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
  • Ciphering the documents situated on the victim’s hard drive — so the victim can no longer utilize the data;
  • Preventing regular accessibility to the sufferer’s workstation;


The most normal networks whereby Win32/Gpcode.AC Ransomware Trojans are infused are:

  • By means of phishing e-mails;
  • As a repercussion of user winding up on a source that hosts a malicious software application;

As quickly as the Trojan is effectively injected, it will certainly either cipher the data on the sufferer’s PC or avoid the gadget from operating in a proper fashion – while likewise positioning a ransom money note that states the need for the sufferers to impact the settlement for the objective of decrypting the papers or restoring the data system back to the initial condition. In most circumstances, the ransom money note will come up when the customer restarts the PC after the system has actually already been harmed.

Win32/Gpcode.AC distribution networks.

In different corners of the world, Win32/Gpcode.AC grows by leaps as well as bounds. Nonetheless, the ransom money notes and methods of obtaining the ransom money amount may vary relying on certain regional (regional) setups. The ransom notes as well as tricks of obtaining the ransom money quantity may vary depending on particular regional (regional) settings.

Ransomware injection

For example:

    Faulty alerts concerning unlicensed software program.

    In specific areas, the Trojans usually wrongfully report having actually discovered some unlicensed applications enabled on the sufferer’s gadget. The sharp after that requires the user to pay the ransom money.

    Faulty statements regarding prohibited web content.

    In countries where software program piracy is much less preferred, this technique is not as efficient for the cyber fraudulences. Alternatively, the Win32/Gpcode.AC popup alert may wrongly assert to be stemming from a law enforcement institution as well as will report having situated kid pornography or various other unlawful data on the tool.

    Win32/Gpcode.AC popup alert may falsely assert to be obtaining from a regulation enforcement establishment as well as will report having located youngster porn or various other unlawful information on the gadget. The alert will similarly contain a demand for the individual to pay the ransom.

Technical details

File Info:

crc32: A6CABBA8
md5: 87befa122ad9b02badbd24b6685d6ce5
name: 87BEFA122AD9B02BADBD24B6685D6CE5.mlw
sha1: 679b06c2a67a931d415c34d697a21161d1dbdbda
sha256: 537cab19b0e717cce7e0defcebaa60497a36d1534a394dc63752f03278926f4b
sha512: dccac5416f3cef1417dce8d4035537bfda4e6e6560fe7837d3443d4e62abae18f1b38de7b7aa12243f5167413bca73ae03e96867906973b08d8728e98d7a62d3
ssdeep: 1536:s/z+hbdwtEJQqp/psMwczT6rgDEZkhoz4r5AO1ihwWI2I4kjrU:s/ahBKCwczT6k3hp57U+Y8jg
type: PE32 executable (GUI) Intel 80386, for MS Windows, UPX compressed

Version Info:

0: [No Data]

Win32/Gpcode.AC also known as:

GridinSoft Trojan.Ransom.Gen
Bkav W32.AIDetect.malware2
DrWeb Trojan.Encoder
ClamAV Win.Trojan.Gpcode-6
McAfee GenericRXAA-FA!87BEFA122AD9
Cylance Unsafe
Zillya Trojan.Gpcode.Win32.11
Sangfor Ransom.Win32.Encoder.C
CrowdStrike win/malicious_confidence_100% (W)
Alibaba Ransom:Win32/Gpcode.600da05c
K7GW Trojan ( 00270fea1 )
K7AntiVirus Trojan ( 00270fea1 )
Cyren W32/Gpcode.TYUT-0916
Symantec Trojan.Gpcoder
ESET-NOD32 Win32/Gpcode.AC
APEX Malicious
TotalDefense Win32/Gpcode.D
Avast Win32:Pgpcoder [Trj]
Cynet Malicious (score: 100)
BitDefender Trojan.Encoder.C
NANO-Antivirus Trojan.Win32.Gpcode.eshn
MicroWorld-eScan Trojan.Encoder.C
Tencent Win32.Trojan.Gpcode.Ecks
Ad-Aware Trojan.Encoder.C
Comodo TrojWare.Win32.Gpcode.AC@1xfd
BitDefenderTheta AI:Packer.BE97FE8F1E
VIPRE Trojan.Win32.Generic!BT
McAfee-GW-Edition BehavesLike.Win32.Generic.kc
Emsisoft Trojan.Encoder.C (B)
Jiangmin Packed.Klone.ddj
Webroot W32.Trojan.pgpcoder
Avira W32/Gpcode.AC
eGambit Unsafe.AI_Score_99%
AegisLab Trojan.Win32.Gpcode.4!c
GData Trojan.Encoder.C
TACHYON Ransom/W32.Gpcode.131072
AhnLab-V3 Trojan/Win32.HDC.C26217
VBA32 BScope.TrojanRansom.Gpcode
MAX malware (ai score=100)
Malwarebytes Malware.Heuristic.1003
Panda Trj/PGPCoder.D
TrendMicro-HouseCall TROJ_PGPCODER.C
Rising Ransom.Gpcode!8.568 (CLOUD)
Yandex Trojan.GenAsa!kT/sDFOc0YI
SentinelOne Static AI – Suspicious PE
MaxSecure Trojan.Malware.2018608.susgen
Fortinet W32/Gpcode.AC
AVG Win32:Pgpcoder [Trj]
Qihoo-360 Win32/Ransom.Encoder.HwsBEpsA

How to remove Win32/Gpcode.AC virus?

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 Win32/Gpcode.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:

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If the guide doesn’t help you to remove Win32/Gpcode.AC you can always ask me in the comments for getting help.

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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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