Written by Robert Bailey

What is Win32/TrojanDropper.Agent.SON infection?

In this short article you will certainly locate about the meaning of Win32/TrojanDropper.Agent.SON as well as its negative effect on your computer. Such ransomware are a form of malware that is specified by online fraudulences to demand paying the ransom money by a target.

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In the majority of the instances, Win32/TrojanDropper.Agent.SON virus will certainly instruct its targets to initiate funds transfer for the function of counteracting the changes that the Trojan infection has presented to the target’s tool.

Win32/TrojanDropper.Agent.SON Summary

These modifications can be as adheres to:

  • A process created a hidden window;
  • Drops a binary and executes it;
  • The binary likely contains encrypted or compressed data.;
  • Network activity detected but not expressed in API logs;
  • Anomalous binary characteristics;
  • Ciphering the files found on the sufferer’s hard drive — so the target can no more use the data;
  • Preventing routine access to the sufferer’s workstation;


The most common channels through which Win32/TrojanDropper.Agent.SON Trojans are injected are:

  • By methods of phishing e-mails;
  • As an effect of individual winding up on a resource that holds a harmful software application;

As soon as the Trojan is successfully injected, it will certainly either cipher the information on the sufferer’s computer or stop the device from functioning in a proper manner – while also putting a ransom note that states the requirement for the sufferers to impact the payment for the objective of decrypting the records or bring back the file system back to the preliminary problem. In the majority of instances, the ransom money note will certainly show up when the client restarts the PC after the system has already been harmed.

Win32/TrojanDropper.Agent.SON circulation networks.

In numerous edges of the globe, Win32/TrojanDropper.Agent.SON grows by jumps as well as bounds. Nevertheless, the ransom notes and also tricks of extorting the ransom money amount may differ depending on certain local (local) settings. The ransom money notes and methods of extorting the ransom quantity may differ depending on certain regional (local) setups.

Ransomware injection

For example:

    Faulty alerts regarding unlicensed software program.

    In specific areas, the Trojans usually wrongfully report having actually spotted some unlicensed applications allowed on the target’s gadget. The alert after that demands the customer to pay the ransom.

    Faulty statements concerning prohibited content.

    In countries where software piracy is less popular, this approach is not as efficient for the cyber scams. Alternatively, the Win32/TrojanDropper.Agent.SON popup alert may wrongly declare to be stemming from a law enforcement establishment and also will certainly report having situated youngster porn or other unlawful data on the tool.

    Win32/TrojanDropper.Agent.SON popup alert might falsely assert to be acquiring from a regulation enforcement organization and also will certainly report having situated kid porn or various other prohibited data on the device. The alert will similarly include a demand for the individual to pay the ransom money.

Technical details

File Info:

crc32: F8BC3AC8
md5: 3c4359296c65223a5b7acfc76e1f4ecd
name: 3C4359296C65223A5B7ACFC76E1F4ECD.mlw
sha1: 2d0d7e6792395ebfb22cea4cf517cfb1c973a5c1
sha256: 329903818d07ba0d9e6e77b1a334e7adc0be9ca594d122ee592257b34d4e8208
sha512: 06db904970c13d96e5ef4318d337a3db0889a21014848a3a7cc71c2a7ec5a09cd9e5b66512bd69e1ef09a0bb735957fa54fc0d933e0edad850c67b18393aa5a4
ssdeep: 49152:bFRDWwEWVp4vzk90GOSmtQ964qvERH4EZQnghXm6ehrC50omulZQ1RKN24dIcxu:BcwEWPUzu0CgQHiERH47ghXsW0oeCG
type: PE32 executable (GUI) Intel 80386 (stripped to external PDB), for MS Windows

Version Info:

LegalCopyright: Realtek HD Audio
FileVersion: 7,8,4,5
CompanyName: Realtek HD Audio
ProductName: Realtek HD Audio
ProductVersion: 7,8,4,5
FileDescription: Realtek HD Audio
FileTitle: Realtek HD Audio
Translation: 0x0409 0x04b0

Win32/TrojanDropper.Agent.SON also known as:

GridinSoft Trojan.Ransom.Gen
Bkav W32.AIDetect.malware2
Lionic Trojan.Win32.FakeAlert.4!c
Elastic malicious (high confidence)
Cynet Malicious (score: 100)
ALYac Gen:Variant.FakeAlert.2
Cylance Unsafe
K7GW Trojan ( 005821cd1 )
Cybereason malicious.96c652
Symantec ML.Attribute.HighConfidence
ESET-NOD32 a variant of Win32/TrojanDropper.Agent.SON
APEX Malicious
Avast FileRepMalware
Kaspersky UDS:DangerousObject.Multi.Generic
BitDefender Gen:Variant.FakeAlert.2
MicroWorld-eScan Gen:Variant.FakeAlert.2
Ad-Aware Gen:Variant.FakeAlert.2
Sophos Mal/Generic-S
F-Secure Trojan.TR/Crypt.ZPACK.Gen
BitDefenderTheta AI:Packer.43DB54281F
McAfee-GW-Edition BehavesLike.Win32.VirRansom.wh
Emsisoft Gen:Variant.FakeAlert.2 (B)
Avira TR/Crypt.ZPACK.Gen
Microsoft Trojan:Win32/Sabsik.FL.B!ml
Arcabit Trojan.FakeAlert.2
GData Gen:Variant.FakeAlert.2
AhnLab-V3 Trojan/Win.Generic.R441007
McAfee Artemis!3C4359296C65
MAX malware (ai score=84)
VBA32 BScope.Trojan.Nitol
Rising Trojan.Generic@ML.91 (RDML:l1/F0ARTZ0bH0HjhIj0r7A)
Ikarus Win32.Outbreak
Fortinet W32/Tiny.NFR!tr
AVG FileRepMalware

How to remove Win32/TrojanDropper.Agent.SON 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.SON 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 Win32/TrojanDropper.Agent.SON you can always ask me in the comments for getting help.

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  1. GridinSoft Anti-Malware Review from HowToFix site:
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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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