Win32/TrojanDropper.Agent.PCK

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

What is Win32/TrojanDropper.Agent.PCK infection?

In this article you will certainly discover regarding the meaning of Win32/TrojanDropper.Agent.PCK and its negative influence on your computer. Such ransomware are a kind 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 situations, Win32/TrojanDropper.Agent.PCK virus will certainly advise its targets to start funds move for the function of counteracting the changes that the Trojan infection has actually presented to the target’s device.

Win32/TrojanDropper.Agent.PCK Summary

These alterations can be as adheres to:

  • 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 created a hidden window;
  • Unconventionial language used in binary resources: Russian;
  • The binary likely contains encrypted or compressed data. In this case, encryption is a way of hiding virus’ code from antiviruses and virus’ analysts.
  • The executable is compressed using UPX;
  • Uses Windows utilities for basic functionality;
  • Attempts to restart the guest VM;
  • 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
  • Uses suspicious command line tools or Windows utilities;
  • Ciphering the documents found on the sufferer’s hard disk drive — so the victim can no more use the information;
  • Preventing normal 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.

Win32/TrojanDropper.Agent.PCK

The most typical networks through which Win32/TrojanDropper.Agent.PCK Trojans are injected are:

  • By means of phishing e-mails;
  • As a repercussion of individual ending up on a source that organizes a malicious software application;

As soon as the Trojan is effectively injected, it will certainly either cipher the data on the sufferer’s PC or protect against the tool from operating in a proper fashion – while additionally positioning a ransom note that states the requirement for the sufferers to impact the settlement for the objective of decrypting the documents or restoring the documents system back to the initial condition. In the majority of circumstances, the ransom note will come up when the customer restarts the COMPUTER after the system has actually currently been damaged.

Win32/TrojanDropper.Agent.PCK distribution networks.

In numerous corners of the globe, Win32/TrojanDropper.Agent.PCK expands by jumps as well as bounds. Nevertheless, the ransom money notes and methods of extorting the ransom money amount might vary relying on certain regional (regional) settings. The ransom money notes and also techniques of extorting the ransom quantity may vary depending on certain local (regional) settings.

Ransomware injection

For example:

    Faulty informs regarding unlicensed software program.

    In particular locations, the Trojans typically wrongfully report having discovered some unlicensed applications allowed on the target’s tool. The sharp then demands the user to pay the ransom.

    Faulty statements concerning prohibited material.

    In countries where software piracy is less popular, this method is not as reliable for the cyber fraudulences. Alternatively, the Win32/TrojanDropper.Agent.PCK popup alert may incorrectly claim to be originating from a police establishment and will certainly report having located child porn or various other unlawful information on the device.

    Win32/TrojanDropper.Agent.PCK popup alert may wrongly assert to be obtaining from a legislation enforcement organization as well as will report having situated youngster pornography or various other illegal information on the gadget. The alert will likewise have a demand for the individual to pay the ransom.

Technical details

File Info:

crc32: 9C439F13
md5: 319b96e35d7c56787385338447e9b169
name: 319B96E35D7C56787385338447E9B169.mlw
sha1: 7a98153c2bdb032801f36b9a711f3861ab83e233
sha256: d6e17d1b1e9410795b8ebc0eb9e863441c52d2cb7b2301b278ca4fd55ada7f6a
sha512: 883ee2795909ba23f6d9b4fd619f209bc2496d7e30fca5a535ef695748a6949d057c494a70e547be4de4a2051639436a4934f08ef921c92a7ee73f77fc66060d
ssdeep: 768:xE09MOEzWGoOIx2qCZVZmj+Wg5VK2LDakrDZ5yS/wwHA49kszNAY1XKoJc4P1:t7w73bUNMMkrDry+6Ut
type: PE32 executable (GUI) Intel 80386, for MS Windows, UPX compressed

Version Info:

0: [No Data]

Win32/TrojanDropper.Agent.PCK also known as:

GridinSoft Trojan.Ransom.Gen
Bkav W32.RansomTO.Fam.Trojan
K7AntiVirus Trojan ( 0055e3df1 )
Elastic malicious (high confidence)
DrWeb Trojan.Packed.317
Cynet Malicious (score: 100)
CAT-QuickHeal TrojanDropper.Wlock.AA6
ALYac Gen:Variant.Doina.7625
Cylance Unsafe
Zillya Trojan.HmBlocker.Win32.25
Sangfor Trojan.Win32.Save.a
CrowdStrike win/malicious_confidence_60% (D)
K7GW Trojan ( 0055e3df1 )
Cybereason malicious.35d7c5
Cyren W32/Ransom.E.gen!Eldorado
Symantec Trojan.Ransomlock
ESET-NOD32 a variant of Win32/TrojanDropper.Agent.PCK
APEX Malicious
Avast Win32:LockScreen-DE [Trj]
ClamAV Win.Trojan.Agent-610813
Kaspersky Trojan-Ransom.Win32.HmBlocker.anh
BitDefender Gen:Variant.Doina.7625
NANO-Antivirus Trojan.Win32.Winlock.bsinq
ViRobot Trojan.Win32.U.HmBlocker.49152
MicroWorld-eScan Gen:Variant.Doina.7625
Tencent Malware.Win32.Gencirc.114bf751
Ad-Aware Gen:Variant.Doina.7625
Sophos ML/PE-A + Mal/Agent-IE
Comodo TrojWare.Win32.Trojan.Ransom.~B@465pcw
F-Secure Trojan.TR/Ransom.ace
BitDefenderTheta AI:Packer.AF83BC9E1F
VIPRE Trojan.Win32.Generic.pak!cobra
TrendMicro Ransom_Genasom.R002C0DAD21
McAfee-GW-Edition BehavesLike.Win32.PWSZbot.pc
FireEye Generic.mg.319b96e35d7c5678
Emsisoft Gen:Variant.Doina.7625 (B)
SentinelOne Static AI – Malicious PE
Jiangmin Trojan/HmBlocker.wr
Avira TR/Ransom.ace
eGambit Unsafe.AI_Score_99%
Microsoft Trojan:Script/Phonzy.A!ml
Arcabit Trojan.Doina.D1DC9
ZoneAlarm Trojan-Ransom.Win32.HmBlocker.anh
GData Gen:Variant.Doina.7625
AhnLab-V3 Trojan/Win32.HmBlocker.R2314
McAfee GenericRXAA-AA!319B96E35D7C
MAX malware (ai score=80)
VBA32 OScope.Trojan.PornoBlocker.Restarter
Malwarebytes Malware.Heuristic.1003
TrendMicro-HouseCall Ransom_Genasom.R002C0DAD21
Rising Ransom.HmBlocker!8.2A63 (RDMK:cmRtazrShxzW8RBuX7TY2wv6L+Uo)
Yandex Trojan.GenAsa!AZtTaYFYKmA
Ikarus Trojan-Ransom.HmBlocker
Fortinet W32/Kryptik.19500!tr
AVG Win32:LockScreen-DE [Trj]
Qihoo-360 HEUR/QVM11.1.88C4.Malware.Gen

How to remove Win32/TrojanDropper.Agent.PCK 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/TrojanDropper.Agent.PCK 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/TrojanDropper.Agent.PCK 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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