Trojan-Ransom.Win32.Blocker.jtpy

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

What is Trojan-Ransom.Win32.Blocker.jtpy infection?

In this post you will certainly discover about the meaning of Trojan-Ransom.Win32.Blocker.jtpy as well as its negative influence on your computer system. Such ransomware are a kind of malware that is elaborated by on-line frauds to demand paying the ransom by a target.

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In the majority of the instances, Trojan-Ransom.Win32.Blocker.jtpy virus will certainly advise its sufferers to initiate funds move for the purpose of reducing the effects of the modifications that the Trojan infection has actually presented to the victim’s tool.

Trojan-Ransom.Win32.Blocker.jtpy 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.
  • Injection with CreateRemoteThread in a remote process;
  • Attempts to connect to a dead IP:Port (1 unique times);
  • 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.
  • A process attempted to delay the analysis task.;
  • Starts servers listening on 0.0.0.0:5434;
  • Expresses interest in specific running processes;
  • Code injection with CreateRemoteThread in a remote process;
  • 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 behavior characteristic of Pony malware;
  • Collects information about installed applications;
  • Creates a hidden or system file. The malware adds the hidden attribute to every file and folder on your system, so it appears as if everything has been deleted from your hard drive.
  • Operates on local firewall’s policies and settings;
  • Attempts to disable UAC.

    User Account Control or just UAC is a part of the Windows security system which prevents apps from making unwanted changes on PC.

    UAC includes several technologies 1:

    • File and egistry Virtualization;
    • Same-desktop Elevation;
    • Filtered Token;
    • User Interface Privilege Isolation;
    • Protected Mode Internet Explorer;
    • Installer Detection;
  • Harvests credentials from local FTP client softwares;
  • Attempts to modify or disable Security Center warnings;
  • Attempts to block SafeBoot use by removing registry keys;
  • Anomalous binary characteristics. This is a way of hiding virus’ code from antiviruses and virus’ analysts.
  • Attempts to modify Explorer settings to prevent hidden files from being displayed;
  • Ciphering the files located on the sufferer’s disk drive — so the victim can no longer make use of the data;
  • 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.

Trojan-Ransom.Win32.Blocker.jtpy

One of the most normal channels through which Trojan-Ransom.Win32.Blocker.jtpy Ransomware Trojans are infused are:

  • By ways of phishing emails;
  • As a repercussion of user ending up on a resource that hosts a destructive software application;

As quickly as the Trojan is efficiently injected, it will certainly either cipher the data on the sufferer’s computer or prevent the gadget from operating in a correct manner – while additionally placing a ransom money note that states the demand for the sufferers to impact the settlement for the objective of decrypting the papers or bring back the documents system back to the initial condition. In most circumstances, the ransom money note will certainly turn up when the client reboots the PC after the system has actually already been damaged.

Trojan-Ransom.Win32.Blocker.jtpy circulation channels.

In numerous edges of the world, Trojan-Ransom.Win32.Blocker.jtpy grows by jumps as well as bounds. However, the ransom money notes as well as methods of extorting the ransom quantity may vary relying on specific local (regional) setups. The ransom money notes and also techniques of obtaining the ransom money quantity may differ depending on particular local (local) setups.

Ransomware injection

As an example:

    Faulty alerts about unlicensed software.

    In certain areas, the Trojans commonly wrongfully report having spotted some unlicensed applications allowed on the target’s tool. The sharp after that requires the customer to pay the ransom.

    Faulty statements concerning illegal content.

    In nations where software program piracy is much less popular, this technique is not as reliable for the cyber frauds. Conversely, the Trojan-Ransom.Win32.Blocker.jtpy popup alert may incorrectly claim to be deriving from a law enforcement establishment and will report having located kid porn or various other unlawful information on the tool.

    Trojan-Ransom.Win32.Blocker.jtpy popup alert may wrongly claim to be deriving from a legislation enforcement establishment as well as will certainly report having located kid porn or other prohibited information on the gadget. The alert will similarly contain a requirement for the individual to pay the ransom.

Technical details

File Info:

crc32: AC36CBC4
md5: 01b628cf2da4fad54d2f3c71228168e6
name: 01B628CF2DA4FAD54D2F3C71228168E6.mlw
sha1: c413e1b98acf43bb2d59c0e36de1186e0bc1772a
sha256: 41bfc6cf54db9eea111f8d8db5b7ea18de779ae9099b8025f4a5d170e0dc1431
sha512: f6573afd0f3ab4b8a45441c774da6e21fd218f4799c8cf1c002dbd2badc80df17ef15b5222b8a1e7a3ea1bffa1c6ddff31fe8113ff0d20e108c86a4f05291c4d
ssdeep: 3072:otNB7i/oXs/C3eVPGdmqVa7hkAtmpj3gkHAWblOoLOuB/sh5s:otOAXs/C3eskqVam0mpj5RblODk/Y
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

Translation: 0x0409 0x04b0
InternalName: Aurite
FileVersion: 1.00
CompanyName: Sharp
ProductName: Dobbeltmandater
ProductVersion: 1.00
FileDescription: Midolla Parda Liccanti
OriginalFilename: Aurite.exe

Trojan-Ransom.Win32.Blocker.jtpy also known as:

GridinSoftTrojan.Ransom.Gen
BkavW32.AIDetectGBM.malware.01
Elasticmalicious (high confidence)
MicroWorld-eScanGen:Heur.PonyStealer.wm0@dqdEf8di
Qihoo-360Win32/Ransom.Blocker.HwMAAG8A
McAfeeFareit-FGY!01B628CF2DA4
CylanceUnsafe
VIPRETrojan.Win32.Generic!BT
AegisLabTrojan.Win32.Blocker.j!c
SangforTrojan.Win32.Save.a
K7AntiVirusTrojan ( 0055e3991 )
BitDefenderGen:Heur.PonyStealer.wm0@dqdEf8di
K7GWTrojan ( 0055e3991 )
Cybereasonmalicious.f2da4f
CyrenW32/Kryptik.ATC.gen!Eldorado
SymantecML.Attribute.HighConfidence
APEXMalicious
AvastWin32:Malware-gen
ClamAVWin.Packer.VbPack-0-6334882-0
KasperskyTrojan-Ransom.Win32.Blocker.jtpy
AlibabaRansom:Win32/Blocker.0b02dfde
NANO-AntivirusTrojan.Win32.Blocker.eihwgm
RisingStealer.Pony!8.10FE4 (CLOUD)
Ad-AwareGen:Heur.PonyStealer.wm0@dqdEf8di
SophosMal/Generic-R + Mal/FareitVB-G
F-SecureHeuristic.HEUR/AGEN.1123272
DrWebTrojan.PWS.Stealer.13311
ZillyaTrojan.Injector.Win32.744215
TrendMicroTrojanSpy.Win32.LOKI.SM.hp
McAfee-GW-EditionBehavesLike.Win32.Fareit.fm
FireEyeGeneric.mg.01b628cf2da4fad5
EmsisoftGen:Heur.PonyStealer.wm0@dqdEf8di (B)
IkarusTrojan.Win32.Injector
JiangminTrojan.Blocker.gdy
AviraHEUR/AGEN.1123272
MAXmalware (ai score=88)
Antiy-AVLTrojan[Ransom]/Win32.Blocker
MicrosoftTrojan:Win32/Dynamer!ac
ArcabitTrojan.PonyStealer.E29FD3
ZoneAlarmTrojan-Ransom.Win32.Blocker.jtpy
GDataGen:Heur.PonyStealer.wm0@dqdEf8di
CynetMalicious (score: 85)
AhnLab-V3Win-Trojan/VBKrypt.RP.X1764
BitDefenderThetaGen:NN.ZevbaF.34590.wm0@aqdEf8di
ALYacGen:Heur.PonyStealer.wm0@dqdEf8di
VBA32TScope.Trojan.VB
MalwarebytesGeneric.Malware/Suspicious
PandaTrj/GdSda.A
ESET-NOD32a variant of Win32/Injector.DHHN
TrendMicro-HouseCallTrojanSpy.Win32.LOKI.SM.hp
TencentWin32.Trojan.Inject.Auto
YandexTrojan.Blocker!VG7AdhOJZ8k
SentinelOneStatic AI – Malicious PE
eGambitUnsafe.AI_Score_99%
FortinetW32/Injector.EAYD!tr
AVGWin32:Malware-gen
Paloaltogeneric.ml
CrowdStrikewin/malicious_confidence_100% (D)

How to remove Trojan-Ransom.Win32.Blocker.jtpy 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 GridinSoft3.

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.Blocker.jtpy 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.Blocker.jtpy you can always ask me in the comments for getting help.

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References

  1. Microsoft Ignite: How to disable User Account Control (UAC) on Windows Server
  2. GridinSoft Anti-Malware Review from HowToFix site: https://howtofix.guide/gridinsoft-anti-malware/
  3. 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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