Trojan-Ransom.Win32.Purga.p

What is the Win32:Evo-gen [Trj] virus?
Written by Robert Bailey

What is Trojan-Ransom.Win32.Purga.p infection?

In this article you will find about the definition of Trojan-Ransom.Win32.Purga.p as well as its unfavorable influence on your computer. Such ransomware are a kind of malware that is clarified by on-line scams to demand paying the ransom by a sufferer.

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In the majority of the situations, Trojan-Ransom.Win32.Purga.p virus will instruct its targets to initiate funds transfer for the function of reducing the effects of the modifications that the Trojan infection has actually introduced to the target’s gadget.

Trojan-Ransom.Win32.Purga.p Summary

These alterations 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.
  • Injection (inter-process);
  • Injection (Process Hollowing);
  • 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.
  • Mimics the system’s user agent string for its own requests;
  • Reads data out of its own binary image. The trick that allows the malware to read data out of your computer’s memory.

    Everything you run, type, or click on your computer goes through the memory. This includes passwords, bank account numbers, emails, and other confidential information. With this vulnerability, there is the potential for a malicious program to read that data.

  • A process created a hidden window;
  • Exhibits behavior characteristic of Kovter malware;
  • Executed a process and injected code into it, probably while unpacking;
  • Detects VirtualBox through the presence of a library;
  • Detects Sandboxie through the presence of a library;
  • Detects SunBelt Sandbox through the presence of a library;
  • Deletes its original binary from disk;
  • A process attempted to delay the analysis task by a long amount of time.;
  • Creates or sets a registry key to a long series of bytes, possibly to store a binary or malware config;
  • Creates a registry key or value with NUL characters to avoid detection with regedit;
  • 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
  • Stores JavaScript or a script command in the registry, likely for persistence or configuration;
  • Attempts to identify installed analysis tools by registry key;
  • Attempts to identify installed AV products by installation directory;
  • Checks the version of Bios, possibly for anti-virtualization;
  • Checks the presence of disk drives in the registry, possibly for anti-virtualization;
  • Detects VirtualBox through the presence of a file;
  • Detects VirtualBox through the presence of a registry key;
  • Detects VMware through the presence of a file;
  • Detects VMware through the presence of a registry key;
  • Detects Virtual PC through the presence of a file;
  • Attempts to modify proxy settings. This trick used for inject malware into connection between browser and server;
  • Attempts to modify browser security settings;
  • Collects information to fingerprint the system. There are behavioral human characteristics that can be used to digitally identify a person to grant access to systems, devices, or data. Unlike passwords and verification codes, fingerprints are fundamental parts of user’s identities. Among the threats blocked on biometric data processing and storage systems is spyware, the malware used in phishing attacks (mostly spyware downloaders and droppers), ransomware, and Banking Trojans as posing the greatest danger.
  • Anomalous binary characteristics. This is a way of hiding virus’ code from antiviruses and virus’ analysts.
  • Ciphering the papers located on the target’s disk drive — so the target can no longer utilize the information;
  • Preventing normal accessibility to the victim’s workstation;

Trojan-Ransom.Win32.Purga.p

One of the most common channels whereby Trojan-Ransom.Win32.Purga.p Ransomware are infused are:

  • By ways of phishing e-mails;
  • As a consequence of individual winding up on a resource that hosts a malicious software application;

As quickly as the Trojan is successfully infused, it will either cipher the data on the victim’s PC or stop the tool from operating in an appropriate manner – while likewise positioning a ransom note that states the requirement for the victims to impact the settlement for the purpose of decrypting the documents or recovering the documents system back to the first problem. In a lot of instances, the ransom note will certainly turn up when the customer reboots the PC after the system has already been harmed.

Trojan-Ransom.Win32.Purga.p circulation channels.

In different edges of the world, Trojan-Ransom.Win32.Purga.p grows by jumps as well as bounds. Nevertheless, the ransom money notes and techniques of extorting the ransom quantity may differ depending upon specific regional (local) settings. The ransom money notes as well as tricks of extorting the ransom money amount may vary depending on certain regional (local) settings.

Ransomware injection

For example:

    Faulty notifies concerning unlicensed software.

    In specific areas, the Trojans frequently wrongfully report having found some unlicensed applications made it possible for on the target’s tool. The sharp then demands the user to pay the ransom.

    Faulty statements regarding illegal web content.

    In nations where software piracy is much less popular, this approach is not as reliable for the cyber fraudulences. Additionally, the Trojan-Ransom.Win32.Purga.p popup alert may incorrectly assert to be originating from a police institution as well as will certainly report having situated kid pornography or other illegal data on the device.

    Trojan-Ransom.Win32.Purga.p popup alert might incorrectly claim to be acquiring from a legislation enforcement establishment and also will report having located kid porn or other illegal data on the device. The alert will likewise contain a need for the individual to pay the ransom.

Technical details

File Info:

crc32: 95F4CCB2
md5: c3dd5c2a2a5871317017ecb60f165e17
name: C3DD5C2A2A5871317017ECB60F165E17.mlw
sha1: 06a0cd42a0a8b15d53ea332e46a0569837135c02
sha256: 8dd93e0fcbd862da339e7f0b3a360a93908ab34e9e94466e7b5fbac94fbb9272
sha512: 5c939fe1855a11c7a4625366feebb97acef97e37f0514166c2f67602a02ed686a457f555018cff8dcae10b705bbd0b30ed0c28f33c901b6192caac67b158c84e
ssdeep: 6144:ipkXGhXfuvXevgNA+7rXHJe5PEiuh97+kVCNKDHAqvtSe:j+WegA2rXHJe5P1uh97++kKTAOtSe
type: PE32 executable (GUI) Intel 80386, for MS Windows, Nullsoft Installer self-extracting archive

Version Info:

0: [No Data]

Trojan-Ransom.Win32.Purga.p also known as:

GridinSoft Trojan.Ransom.Gen
Bkav W32.AIDetect.malware2
K7AntiVirus Trojan ( 004c672c1 )
Elastic malicious (high confidence)
DrWeb Trojan.MulDrop7.51490
Cynet Malicious (score: 100)
CAT-QuickHeal Ransom.Locky.A
ALYac Trojan.GenericKD.5961287
Cylance Unsafe
Sangfor Trojan.Win32.GenericKD.5
CrowdStrike win/malicious_confidence_100% (D)
K7GW Trojan ( 004c672c1 )
Cybereason malicious.a2a587
Symantec Trojan.Gen.2
ESET-NOD32 Win32/Kovter.D
APEX Malicious
Avast Win32:Malware-gen
ClamAV Win.Ransomware.Purga-9373654-0
Kaspersky Trojan-Ransom.Win32.Purga.p
BitDefender Trojan.GenericKD.5961287
NANO-Antivirus Trojan.Dos.Code.egouws
MicroWorld-eScan Trojan.GenericKD.5961287
Tencent Win32.Trojan.Purga.Szll
Ad-Aware Trojan.GenericKD.5961287
Sophos Mal/Generic-S
Comodo Malware@#24jro8wfsbwmq
VIPRE Trojan.Win32.Generic!BT
McAfee-GW-Edition BehavesLike.Win32.ICLoader.dc
FireEye Generic.mg.c3dd5c2a2a587131
Emsisoft Trojan.GenericKD.5961287 (B)
SentinelOne Static AI – Malicious PE
Avira HEUR/AGEN.1117983
Microsoft Trojan:Win32/Starter.P
Arcabit Trojan.Generic.D5AF647
AegisLab Trojan.Win32.Purga.j!c
ZoneAlarm HEUR:Trojan.Win32.Generic
GData Trojan.GenericKD.5961287
AhnLab-V3 Trojan/Win32.Locky.R186885
McAfee Artemis!C3DD5C2A2A58
MAX malware (ai score=99)
VBA32 TrojanRansom.Purga
Yandex Trojan.Agent!nzXv9vBdWCM
Ikarus Trojan.Win32.Kovter
Fortinet W32/Injector.EK!tr
AVG Win32:Malware-gen
Paloalto generic.ml

How to remove Trojan-Ransom.Win32.Purga.p 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 Trojan-Ransom.Win32.Purga.p 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:

Full version of GridinSoft

Full version of GridinSoft Anti-Malware

If the guide doesn’t help you to remove Trojan-Ransom.Win32.Purga.p you can always ask me in the comments for getting help.

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References

  1. GridinSoft Anti-Malware Review from HowToFix site: https://howtofix.guide/gridinsoft-anti-malware/
  2. More information about GridinSoft products: https://gridinsoft.com/comparison

About the author

Robert Bailey

I'm Robert Bailey, a passionate Security Engineer with a deep fascination for all things related to malware, reverse engineering, and white hat ethical hacking.

As a white hat hacker, I firmly believe in the power of ethical hacking to bolster security measures. By identifying vulnerabilities and providing solutions, I contribute to the proactive defense of digital infrastructures.

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