What is Win32/Diskcoder.Petya.C infection?

In this post you will discover concerning the definition of Win32/Diskcoder.Petya.C and its negative influence on your computer system. Such ransomware are a kind of malware that is elaborated by on the internet frauds to require paying the ransom by a sufferer.

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Most of the cases, Win32/Diskcoder.Petya.C infection will certainly instruct its victims to start funds transfer for the objective of reducing the effects of the modifications that the Trojan infection has actually introduced to the sufferer’s gadget.

Win32/Diskcoder.Petya.C Summary

These modifications 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.
  • The binary likely contains encrypted or compressed data. In this case, encryption is a way of hiding virus’ code from antiviruses and virus’ analysts.
  • Likely installs a bootkit via raw harddisk modifications;
  • Attempts to restart the guest VM;
  • Attempts to identify installed AV products by installation directory;
  • Ciphering the records located on the target’s hard drive — so the sufferer can no longer make use of the data;
  • Preventing normal access to the target’s workstation. This is the typical behavior of a virus called locker. It blocks access to the computer until the victim pays the ransom.


The most common channels whereby Win32/Diskcoder.Petya.C Ransomware Trojans are infused are:

  • By means of phishing e-mails;
  • As an effect of individual ending up on a source that hosts a destructive software application;

As quickly as the Trojan is efficiently infused, it will either cipher the data on the victim’s PC or avoid the tool from working in a proper fashion – while additionally positioning a ransom note that discusses the requirement for the sufferers to effect the payment for the objective of decrypting the documents or restoring the data system back to the preliminary problem. In many circumstances, the ransom note will come up when the customer restarts the COMPUTER after the system has actually currently been damaged.

Win32/Diskcoder.Petya.C circulation channels.

In numerous edges of the globe, Win32/Diskcoder.Petya.C expands by leaps and also bounds. Nevertheless, the ransom notes and also methods of extorting the ransom money amount might differ depending on particular neighborhood (regional) setups. The ransom notes and also tricks of obtaining the ransom amount might vary depending on particular local (local) settings.

Ransomware injection

For instance:

    Faulty notifies regarding unlicensed software.

    In particular locations, the Trojans frequently wrongfully report having detected some unlicensed applications allowed on the sufferer’s device. The sharp then requires the individual to pay the ransom.

    Faulty declarations regarding unlawful material.

    In countries where software piracy is much less popular, this method is not as effective for the cyber fraudulences. Additionally, the Win32/Diskcoder.Petya.C popup alert may incorrectly assert to be stemming from a law enforcement institution as well as will report having situated kid pornography or various other unlawful information on the gadget.

    Win32/Diskcoder.Petya.C popup alert may wrongly declare to be acquiring from a legislation enforcement establishment and also will report having situated kid pornography or various other unlawful data on the tool. The alert will likewise have a requirement for the customer to pay the ransom.

Technical details

File Info:

crc32: 9AF1DD21
md5: f7596666d8080922d786f5892dd70742
name: F7596666D8080922D786F5892DD70742.mlw
sha1: 0902f46fbf15c170e952ddae88811f01f6746971
sha256: 40a30c28d47496811450e8cd07ad3640dbba7cc270ce89b5da13312121e7d7ab
sha512: 40e8a35e93757daf31576ec9991d534285bb5f76a4c55c8b6064e535fb9e9d70597e24607e128ebc9e21e6d70f7ce7b3b4576c9341f54a6d9f58622437b25dc0
ssdeep: 24576:uQQP8Nk5Gpc/rPx37/zHBA6plp+51CErza8GRA6JmxyJcL:wOk53rPx37/zHBA6pGPmcrL
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

FileDescription: Setup/Uninstall
Translation: 0x0000 0x04b0

Win32/Diskcoder.Petya.C also known as:

GridinSoft Trojan.Ransom.Gen
K7AntiVirus Trojan ( 004efa661 )
DrWeb Trojan.Encoder.4544
Cynet Malicious (score: 85)
ALYac Trojan.GenericKD.3246012
Cylance Unsafe
CrowdStrike win/malicious_confidence_100% (W)
Alibaba Ransom:Win32/Mischa.55bc6ee2
K7GW Trojan ( 004efa661 )
Cybereason malicious.6d8080
Symantec Trojan.Gen
ESET-NOD32 Win32/Diskcoder.Petya.C
APEX Malicious
Avast FileRepMalware
Kaspersky HEUR:Trojan.Win32.Generic
BitDefender Trojan.GenericKD.3246012
NANO-Antivirus Trojan.Win32.Encoder.eclyay
ViRobot Trojan.Win32.S.Petya.816688
MicroWorld-eScan Trojan.GenericKD.3246012
Tencent Win32.Trojan.Inject.Auto
Ad-Aware Trojan.GenericKD.3246012
Sophos Troj/Ransom-DDE
Comodo Malware@#2nftxc9sixfnf
VIPRE Trojan.Win32.Generic!BT
TrendMicro Ransom_PETYA.H
McAfee-GW-Edition Ransom-O.c
FireEye Trojan.GenericKD.3246012
Emsisoft Trojan.GenericKD.3246012 (B)
Webroot W32.Trojan.Petya
Avira TR/Agent.Petya.643743
Microsoft Ransom:Win32/Mischa.A
Arcabit Trojan.Generic.D3187BC
AegisLab Trojan.Win32.Generic.4!c
ZoneAlarm HEUR:Trojan.Win32.Generic
GData Trojan.GenericKD.3246012
AhnLab-V3 Trojan/Win32.Petya.C1453393
McAfee Ransom-O.c
MAX malware (ai score=100)
VBA32 Trojan.Encoder
Malwarebytes Ransom.Petya
Panda Trj/CI.A
TrendMicro-HouseCall Ransom_PETYA.H
Rising Ransom.Petya!8.48D7 (CLOUD)
Yandex Trojan.Diskcoder!HrWnmWZB+E0
Ikarus Trojan.Inject
Fortinet W32/Diskcoder_Petya.C!tr
AVG FileRepMalware
Qihoo-360 Win32/Trojan.Generic.HgIASOcA

How to remove Win32/Diskcoder.Petya.C 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 Win32/Diskcoder.Petya.C 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/Diskcoder.Petya.C 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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