Ransom.Petya
Emma Terry What is Ransom.Petya infection?
In this article you will locate about the meaning of Ransom.Petya and its adverse effect on your computer system. Such ransomware are a kind of malware that is specified by on the internet frauds to demand paying the ransom money by a victim.
Most of the instances, Ransom.Petya ransomware will advise its sufferers to launch funds move for the function of neutralizing the changes that the Trojan infection has actually presented to the sufferer’s tool.
Ransom.Petya 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.
- The binary likely contains encrypted or compressed data. In this case, encryption is a way of hiding virus’ code from antiviruses and virus’ analysts.
- Steals private information from local Internet browsers;
- Mimics the file times of a Windows system file;
- 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
- Exhibits possible ransomware file modification behavior;
- Writes a potential ransom message to disk;
- Network activity detected but not expressed in API logs. Microsoft built an API solution right into its Windows operating system it reveals network activity for all apps and programs that ran on the computer in the past 30-days. This malware hides network activity.
- 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.
- Clears web history;
- Ciphering the papers located on the sufferer’s hard disk — so the sufferer can no more use the information;
- Preventing routine 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.
| z.whorecord.xyz | Gen:Variant.Ransom.GoldenEye.10 |
| a.tomx.xyz | Gen:Variant.Ransom.GoldenEye.10 |
Ransom.Petya
The most normal channels through which Ransom.Petya are injected are:
- By methods of phishing e-mails. Email phishing is a cyber attack that uses disguised email as a goal is to trick the recipient into believing that the message is something they want or need — a request from their bank, for instance, or a note from someone in their company — and to click a link for download a malware.
- As a repercussion of individual ending up on a source that organizes a destructive software program;
As soon as the Trojan is efficiently infused, it will certainly either cipher the information on the target’s computer or stop the device from working in a correct manner – while additionally positioning a ransom note that points out the demand for the victims to impact the settlement for the function of decrypting the documents or restoring the documents system back to the first condition. In most instances, the ransom money note will come up when the client restarts the PC after the system has currently been damaged.
Ransom.Petya circulation networks.
In different edges of the globe, Ransom.Petya grows by leaps and bounds. Nonetheless, the ransom money notes and also techniques of obtaining the ransom money amount may differ depending upon certain regional (local) settings. The ransom notes and also tricks of extorting the ransom amount might vary depending on specific local (regional) setups.
For example:
Faulty notifies concerning unlicensed software program.
In particular areas, the Trojans usually wrongfully report having actually discovered some unlicensed applications enabled on the sufferer’s tool. The alert then demands the customer to pay the ransom money.
Faulty declarations concerning unlawful web content.
In countries where software piracy is much less preferred, this method is not as efficient for the cyber scams. Conversely, the Ransom.Petya popup alert might incorrectly assert to be deriving from a law enforcement institution and will report having located youngster pornography or other prohibited information on the gadget.
Ransom.Petya popup alert might wrongly assert to be acquiring from a law enforcement organization as well as will report having located child porn or various other illegal data on the tool. The alert will similarly contain a demand for the user to pay the ransom.
Technical details
File Info:
crc32: 46CEE9B1md5: 6f280a70aaec1236b1685c44b889bd6dname: 6F280A70AAEC1236B1685C44B889BD6D.mlwsha1: 89851b3a684844cefee0593bf1012e0fe81dc4c8sha256: f22aba84a350000f234c9b62b259fc232c7dcbe98bb467dfa01f89ba916a5c56sha512: 1d3deb7a0e4db0ca3e69e66f1513e3260c12692e3aa0f82f0b04bdaf2ba1b00ef7b242c93a5bddfa91b88b56c690dc10f6fcec746875bfee97fcc4defdd5a771ssdeep: 3072:+9dUEfLpw3gCidSMFztbGw9Pz5DHrN+qi:+9d/w3gN/pZYtype: PE32 executable (GUI) Intel 80386, for MS WindowsVersion Info:
LegalCopyright: xa9 Microsoft Corporation. All rights reserved.InternalName: verclsid.exeFileVersion: 6.1.7600.16385 (win7_rtm.090713-1255)CompanyName: Microsoft CorporationProductName: Microsoftxae Windowsxae Operating SystemProductVersion: 6.1.7600.16385FileDescription: Extension CLSID Verification HostOriginalFilename: verclsid.exeTranslation: 0x0409 0x04b0
Ransom.Petya also known as:
| GridinSoft | Trojan.Ransom.Gen |
| Elastic | malicious (high confidence) |
| MicroWorld-eScan | Gen:Variant.Ransom.GoldenEye.10 |
| FireEye | Generic.mg.6f280a70aaec1236 |
| Qihoo-360 | Win32/Trojan.Ransom.9ef |
| ALYac | Gen:Variant.Ransom.GoldenEye.10 |
| Cylance | Unsafe |
| VIPRE | Trojan.Win32.Generic!BT |
| Sangfor | Trojan.Win32.Save.a |
| CrowdStrike | win/malicious_confidence_100% (D) |
| BitDefender | Gen:Variant.Ransom.GoldenEye.10 |
| K7GW | Trojan ( 00500e631 ) |
| K7AntiVirus | Trojan ( 00500e631 ) |
| Cyren | W32/S-e2063586!Eldorado |
| Symantec | ML.Attribute.HighConfidence |
| APEX | Malicious |
| Avast | Win32:Malware-gen |
| ClamAV | Win.Ransomware.Petya-9763114-0 |
| Kaspersky | HEUR:Trojan.Win32.Generic |
| NANO-Antivirus | Trojan.Win32.AD.esxwko |
| AegisLab | Trojan.Win32.Generic.j!c |
| Tencent | Malware.Win32.Gencirc.10b25df9 |
| Ad-Aware | Gen:Variant.Ransom.GoldenEye.10 |
| TACHYON | Ransom/W32.GoldenEye.150528 |
| Emsisoft | Gen:Variant.Ransom.GoldenEye.10 (B) |
| Comodo | TrojWare.Win32.Skeeyah.AE@7gam2b |
| F-Secure | |
| DrWeb | Trojan.Encoder.14758 |
| Zillya | Trojan.DiskcoderGen.Win32.1 |
| TrendMicro | Ransom_PETYA.SM2 |
| McAfee-GW-Edition | Ransomware-GGU!6F280A70AAEC |
| Sophos | Mal/Generic-R + ATK/Shellter-G |
| Avira | HEUR/AGEN.1127675 |
| Antiy-AVL | Trojan[Ransom]/Win32.Petya.a |
| Arcabit | Trojan.Ransom.GoldenEye.10 |
| ZoneAlarm | HEUR:Trojan.Win32.Generic |
| GData | Gen:Variant.Ransom.GoldenEye.10 |
| Cynet | Malicious (score: 100) |
| AhnLab-V3 | Trojan/Win32.Gen |
| Acronis | suspicious |
| McAfee | Ransomware-GGU!6F280A70AAEC |
| MAX | malware (ai score=82) |
| VBA32 | Trojan.Encoder |
| Malwarebytes | Ransom.Petya |
| Panda | Trj/Genetic.gen |
| ESET-NOD32 | Win32/Diskcoder.Petya.E |
| TrendMicro-HouseCall | Ransom_PETYA.SM2 |
| Rising | Ransom.Diskcoder!1.AE41 (CLOUD) |
| Yandex | Trojan.Agent!VPK4gKsbzm0 |
| SentinelOne | Static AI – Malicious PE |
| eGambit | Trojan.Generic |
| Fortinet | W32/Petya.E!tr.ransom |
| BitDefenderTheta | Gen:NN.ZexaF.34590.jq0@aKWADJji |
| AVG | Win32:Malware-gen |
| Cybereason | malicious.0aaec1 |
| Paloalto | generic.ml |
How to remove Ransom.Petya ransomware?
There is no better way to recognize, remove and prevent PC threats than to use an anti-malware software from GridinSoft">2.
Download GridinSoft Anti-Malware.
You can download GridinSoft Anti-Malware by clicking the button below:
Download GridinSoft Anti-MalwareRun 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.
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.
Press “Install” button.
Once installed, Anti-Malware will automatically run.
Wait for the Anti-Malware scan to complete.
GridinSoft Anti-Malware will automatically start scanning your system for Ransom.Petya 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.
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.
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 Anti-Malware
If the guide doesn’t help you to remove Ransom.Petya you can always ask me in the comments for getting help.
References
- GridinSoft Anti-Malware Review from HowToFix site:
- More information about GridinSoft products:
