What is Win32/Diskcoder.Petya.E infection?

In this short article you will certainly discover concerning the definition of Win32/Diskcoder.Petya.E as well as its negative effect on your computer system. Such ransomware are a form of malware that is specified by online fraudulences to demand paying the ransom money by a sufferer.

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In the majority of the cases, Win32/Diskcoder.Petya.E infection will certainly instruct its victims to initiate funds move for the function of neutralizing the modifications that the Trojan infection has actually presented to the sufferer’s gadget.

Win32/Diskcoder.Petya.E Summary

These alterations can be as adheres to:

  • 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;
  • Creates a slightly modified copy of itself;
  • Anomalous binary characteristics. This is a way of hiding virus’ code from antiviruses and virus’ analysts.
  • Ciphering the papers located on the victim’s disk drive — so the sufferer can no longer utilize the data;
  • Preventing normal access 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.


The most typical channels whereby Win32/Diskcoder.Petya.E Ransomware Trojans are infused are:

  • By ways of phishing e-mails;
  • As a consequence of user ending up on a source that holds a destructive software;

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 placing a ransom money note that states the demand for the victims to impact the settlement for the objective of decrypting the papers or recovering the data system back to the preliminary condition. In the majority of circumstances, the ransom note will show up when the customer restarts the COMPUTER after the system has already been harmed.

Win32/Diskcoder.Petya.E distribution channels.

In different corners of the world, Win32/Diskcoder.Petya.E expands by jumps as well as bounds. Nonetheless, the ransom money notes as well as tricks of extorting the ransom money amount may differ relying on certain regional (local) setups. The ransom notes as well as tricks of extorting the ransom amount might differ depending on particular regional (regional) setups.

Ransomware injection

As an example:

    Faulty alerts concerning unlicensed software program.

    In certain areas, the Trojans frequently wrongfully report having actually found some unlicensed applications allowed on the victim’s tool. The sharp after that requires the user to pay the ransom.

    Faulty statements concerning illegal web content.

    In countries where software application piracy is less popular, this technique is not as efficient for the cyber frauds. Conversely, the Win32/Diskcoder.Petya.E popup alert may wrongly assert to be deriving from a police institution and also will report having situated kid pornography or various other unlawful information on the tool.

    Win32/Diskcoder.Petya.E popup alert may falsely assert to be deriving from a law enforcement institution and will report having located child pornography or other unlawful information on the gadget. The alert will in a similar way have a demand for the individual to pay the ransom money.

Technical details

File Info:

crc32: 8BCFB206
md5: ebc97fe0b196723cdbb5ca84371c01cf
name: EBC97FE0B196723CDBB5CA84371C01CF.mlw
sha1: d0a2fa04133ff1d52ceda0a997d1d75ddfaaf3af
sha256: 7d0cd9504834499ee33313b494dce98df18707af24d6ec04dcb7816b84bf7dde
sha512: b6f5eca50a1407c963c745ea003ee5e9c8488421ff3bfc3043d70f0d9b807c6e8d366c26acb30aa03cb98e679f2fa3e85b7095c7e63ed24bf3c3c244a7da651e
ssdeep: 12288:l3rVtiBALXBiwB7KQeFjdjqIvlwGS7g7ZNemThfAAx2xkniNAjcQalpIMI1z+5s2:lqBALXBiKKQeFjdj+GS7g7ZNemT2
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

LegalCopyright: xa9 Microsoft Corporation. All rights reserved.
InternalName: TSThemeS.exe
FileVersion: 6.1.7600.16385 (win7_rtm.090713-1255)
CompanyName: Microsoft Corporation
ProductName: Microsoftxae Windowsxae Operating System
ProductVersion: 6.1.7600.16385
FileDescription: TSTheme Server Module
OriginalFilename: TSThemeS.exe
Translation: 0x0409 0x04b0

Win32/Diskcoder.Petya.E also known as:

GridinSoft Trojan.Ransom.Gen
Elastic malicious (high confidence)
DrWeb Trojan.Siggen7.46707
Cynet Malicious (score: 85)
CAT-QuickHeal Ransom.Generic.ZZ5
ALYac Gen:Variant.Barys.61839
Cylance Unsafe
Zillya Trojan.Diskcoder.Win32.177
Sangfor Trojan.Win32.Save.a
CrowdStrike win/malicious_confidence_100% (D)
K7GW Riskware ( 0040eff71 )
K7AntiVirus Riskware ( 0040eff71 )
ESET-NOD32 Win32/Diskcoder.Petya.E
APEX Malicious
Avast Win32:Malware-gen
ClamAV Win.Ransomware.Razy-7101134-0
Kaspersky HEUR:Trojan.Win32.Generic
BitDefender Gen:Variant.Barys.61839
NANO-Antivirus Trojan.Win32.Petya.emuqqt
MicroWorld-eScan Gen:Variant.Barys.61839
Tencent Malware.Win32.Gencirc.10b7d659
Ad-Aware Gen:Variant.Barys.61839
Sophos ML/PE-A + ATK/Shellter-AE
Comodo TrojWare.Win32.Petya.E@6yquji
BitDefenderTheta Gen:NN.ZexaF.34608.pv0@aK1gxRmi
VIPRE Trojan.Win32.Generic!BT
McAfee-GW-Edition GenericRXIW-TH!EBC97FE0B196
Emsisoft Gen:Variant.Barys.61839 (B)
SentinelOne Static AI – Suspicious PE
Avira TR/Crypt.EPACK.Gen2
Microsoft HackTool:Win32/PowerSploit.A
Arcabit Trojan.Barys.DF18F
ZoneAlarm HEUR:Trojan.Win32.Generic
GData Gen:Variant.Barys.61839
AhnLab-V3 Trojan/Win32.Petya.R225067
Acronis suspicious
McAfee GenericRXIW-TH!EBC97FE0B196
MAX malware (ai score=99)
Malwarebytes Trojan.FakeMS
Panda Trj/Genetic.gen
Rising Trojan.Kryptik!1.BB62 (RDMK:cmRtazpRp7mAj1L6dqITKhc/PdG/)
Yandex Trojan.Agent!+9F06VsIRpc
Ikarus Trojan-Ransom.GoldenEye
Fortinet W32/Petya.F!tr.ransom
AVG Win32:Malware-gen
Qihoo-360 Win32/HackTool.PowerSploit.HxQBEpsA

How to remove Win32/Diskcoder.Petya.E ransomware?

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/Diskcoder.Petya.E 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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Full version of GridinSoft Anti-Malware

If the guide doesn’t help you to remove Win32/Diskcoder.Petya.E 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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