What is Win32/Diskcoder.Petya.I infection?

In this short article you will locate regarding the meaning of Win32/Diskcoder.Petya.I and also its adverse impact on your computer. Such ransomware are a type of malware that is clarified by on the internet fraudulences to require paying the ransom by a sufferer.

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In the majority of the cases, Win32/Diskcoder.Petya.I virus will certainly advise its targets to initiate funds move for the purpose of reducing the effects of the changes that the Trojan infection has presented to the victim’s device.

Win32/Diskcoder.Petya.I Summary

These adjustments 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.
  • Drops a binary and executes it. Trojan-Downloader installs itself to the system and waits until an Internet connection becomes available to connect to a remote server or website in order to download additional malware onto the infected computer.
  • Likely installs a bootkit via raw harddisk modifications;
  • Attempts to restart the guest VM;
  • Mimics the file times of a Windows system file;
  • Creates a copy of itself;
  • 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 sufferer can no more utilize the data;
  • Preventing routine accessibility 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.


One of the most normal channels through which Win32/Diskcoder.Petya.I are infused are:

  • By methods of phishing emails;
  • As an effect of individual winding up on a resource that holds a malicious software application;

As soon as the Trojan is efficiently injected, it will either cipher the information on the target’s PC or protect against the gadget from working in a proper way – while additionally positioning a ransom money note that mentions the requirement for the targets to impact the settlement for the function of decrypting the documents or recovering the data system back to the initial problem. In the majority of instances, the ransom note will show up when the customer reboots the PC after the system has actually currently been harmed.

Win32/Diskcoder.Petya.I circulation channels.

In numerous edges of the globe, Win32/Diskcoder.Petya.I grows by jumps as well as bounds. Nonetheless, the ransom money notes and also techniques of obtaining the ransom money quantity might differ relying on specific local (regional) settings. The ransom notes and methods of obtaining the ransom quantity might differ depending on particular neighborhood (regional) settings.

Ransomware injection

For example:

    Faulty notifies about unlicensed software program.

    In certain locations, the Trojans frequently wrongfully report having actually spotted some unlicensed applications made it possible for on the victim’s tool. The sharp then requires the customer to pay the ransom.

    Faulty declarations regarding illegal content.

    In countries where software application piracy is less prominent, this technique is not as reliable for the cyber frauds. Conversely, the Win32/Diskcoder.Petya.I popup alert may incorrectly declare to be originating from a police organization and also will certainly report having situated kid porn or other illegal data on the tool.

    Win32/Diskcoder.Petya.I popup alert might incorrectly claim to be acquiring from a legislation enforcement establishment and also will certainly report having located kid porn or various other prohibited information on the gadget. The alert will in a similar way have a demand for the customer to pay the ransom.

Technical details

File Info:

crc32: 247B37D2
md5: b899e57ea23000ac91257e108344d92b
name: B899E57EA23000AC91257E108344D92B.mlw
sha1: 97155c922ed15690c80634ec4e1086036d77e90d
sha256: 531ee6978fbc3d35658925c5eac94f4eff17c645a4f646c9aa65eb64cf601b6c
sha512: 48da587315790586a4fe9b65a746d46c3853ae2589f9b2f219e46a0d151d0a49f64a3e40b37a827c6347713f8b1f2bd21f754c660ae0003f9dbc98fa1d2325bb
ssdeep: 12288:EUrTtiBALXJxwBXKQeFjdjqIvlwGS7g7ZNemThfAAx2xkniNAjcQalpIMI1z+5sP:EfBALXJxmKQeFjdj+GS7g7ZNemTP
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

LegalCopyright: xa9 Microsoft Corporation. All rights reserved.
InternalName: mcbuilder
FileVersion: 6.1.7601.17514 (win7sp1_rtm.101119-1850)
CompanyName: Microsoft Corporation
ProductName: Microsoftxae Windowsxae Operating System
ProductVersion: 6.1.7601.17514
FileDescription: Resource cache builder tool
OriginalFilename: mcbuilder.exe
Translation: 0x0409 0x04b0

Win32/Diskcoder.Petya.I also known as:

GridinSoft Trojan.Ransom.Gen
Bkav W32.AIDetect.malware2
Elastic malicious (high confidence)
DrWeb Trojan.Elevate.2
Cynet Malicious (score: 99)
CAT-QuickHeal Ransom.Generic.ZZ5
ALYac Gen:Variant.Ulise.68242
Cylance Unsafe
Zillya Trojan.Black.Win32.52105
Sangfor Trojan.Win32.Save.a
CrowdStrike win/malicious_confidence_100% (D)
K7GW Trojan ( 0052d6301 )
K7AntiVirus Trojan ( 0052d6301 )
Symantec ML.Attribute.HighConfidence
ESET-NOD32 a variant of Win32/Diskcoder.Petya.I
APEX Malicious
Avast Win32:Malware-gen
ClamAV Win.Ransomware.Razy-7101134-0
BitDefender Gen:Variant.Ulise.68242
NANO-Antivirus Trojan.Win32.Petya.emuqqt
MicroWorld-eScan Gen:Variant.Ulise.68242
Tencent Malware.Win32.Gencirc.10b7d659
Ad-Aware Gen:Variant.Ulise.68242
Sophos ML/PE-A + ATK/Shellter-AE
Comodo TrojWare.Win32.Petya.E@6yquji
BitDefenderTheta Gen:NN.ZexaF.34670.pv0@a0CtL6ji
VIPRE Trojan.Win32.Generic!BT
McAfee-GW-Edition GenericRXIW-TH!B899E57EA230
Emsisoft Gen:Variant.Ulise.68242 (B)
SentinelOne Static AI – Suspicious PE
Avira TR/Crypt.EPACK.Gen2
Antiy-AVL Trojan/Win32.AGeneric
Microsoft HackTool:Win32/PowerSploit.A
AegisLab Trojan.Win32.Generic.4!c
ZoneAlarm HEUR:Trojan.Win32.Generic
GData Gen:Variant.Ulise.68242
AhnLab-V3 Trojan/Win32.Petya.R225067
Acronis suspicious
McAfee GenericRXIW-TH!B899E57EA230
MAX malware (ai score=99)
VBA32 Trojan.Elevate
Malwarebytes Trojan.FakeMS
Panda Trj/Genetic.gen
Rising Trojan.Kryptik!1.BB62 (RDMK:cmRtazqpdkDhSqCetvnwS2ZzqMqg)
Ikarus Trojan-Ransom.GoldenEye
Fortinet W32/Petya.F!tr.ransom
AVG Win32:Malware-gen
Qihoo-360 Win32/Worm.PowerSploit.HxQBEpsA

How to remove Win32/Diskcoder.Petya.I 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/Diskcoder.Petya.I 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.I you can always ask me in the comments for getting help.

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  1. GridinSoft Anti-Malware Review from HowToFix site:
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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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