Trojan.Agent.PRN

Written by Robert Bailey

What is Trojan.Agent.PRN infection?

In this article you will certainly locate about the meaning of Trojan.Agent.PRN as well as its adverse effect on your computer system. Such ransomware are a kind of malware that is elaborated by on the internet fraudulences to require paying the ransom by a victim.

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Most of the situations, Trojan.Agent.PRN infection will advise its victims to initiate funds transfer for the purpose of reducing the effects of the changes that the Trojan infection has introduced to the victim’s gadget.

Trojan.Agent.PRN Summary

These adjustments can be as complies with:

  • 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.
  • 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;
  • 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.
  • Anomalous binary characteristics. This is a way of hiding virus’ code from antiviruses and virus’ analysts.
  • Clears web history;
  • Ciphering the documents found on the target’s hard drive — so the target can no more utilize the data;
  • Preventing regular accessibility to the sufferer’s workstation;

Trojan.Agent.PRN

The most regular channels through which Trojan.Agent.PRN Ransomware are injected are:

  • By means of phishing emails;
  • As a consequence of customer winding up on a source that organizes a malicious software;

As soon as the Trojan is efficiently infused, it will either cipher the data on the victim’s PC or avoid the tool from functioning in a proper fashion – while also putting a ransom note that points out the need for the sufferers to effect the payment for the purpose of decrypting the records or recovering the documents system back to the preliminary problem. In many instances, the ransom money note will certainly come up when the customer reboots the COMPUTER after the system has actually currently been harmed.

Trojan.Agent.PRN circulation networks.

In various corners of the world, Trojan.Agent.PRN expands by jumps and also bounds. Nevertheless, the ransom money notes and techniques of obtaining the ransom money quantity might differ depending on certain regional (local) settings. The ransom money notes and tricks of obtaining the ransom amount might vary depending on certain regional (local) setups.

Ransomware injection

As an example:

    Faulty alerts about unlicensed software application.

    In certain locations, the Trojans typically wrongfully report having actually found some unlicensed applications made it possible for on the victim’s tool. The alert after that demands the individual to pay the ransom.

    Faulty declarations regarding unlawful web content.

    In nations where software application piracy is less preferred, this method is not as reliable for the cyber fraudulences. Alternatively, the Trojan.Agent.PRN popup alert might incorrectly declare to be originating from a police establishment and also will report having situated child porn or various other prohibited data on the gadget.

    Trojan.Agent.PRN popup alert may incorrectly claim to be deriving from a regulation enforcement institution and will certainly report having situated child pornography or various other illegal data on the gadget. The alert will likewise include a requirement for the individual to pay the ransom.

Technical details

File Info:

crc32: CA28CA22
md5: 80d264484ab9cc0b604e02146bac6a0e
name: 80D264484AB9CC0B604E02146BAC6A0E.mlw
sha1: 731369b1378ac07a2a62893d0ff1671587fd39bf
sha256: 2033f858574da1fa877ecac8e84be8fa27fb2d352f8254f8187cd305993bebdf
sha512: a5c28c32df81654a53aa3e979bb5cd494eb2185488109b29b1e4ee13ec187e5ae96d90eea2455ee6de462cf1e88b5ae1c8f1d38c31fc9e93838831b3ce3c8539
ssdeep: 98304:ArBwK2qcict64x7ix9jVEdC9HeVYR28igXgEH8pDAPHiIc+walZLCwpokCFCxJDB:IH2qcf64x9s9HecIgQDDq/f
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

ProgramID: com.embarcadero.Junkie
ProductName: Junkie
FileVersion: 1.0.0.0
ProductVersion: 1.0.0.0
FileDescription: Junkie
Translation: 0x0409 0x04e4

Trojan.Agent.PRN also known as:

GridinSoft Trojan.Ransom.Gen
MicroWorld-eScan Trojan.GenericKD.45454026
FireEye Trojan.GenericKD.45454026
CAT-QuickHeal Trojanransom.Encoder
McAfee Artemis!80D264484AB9
Cylance Unsafe
AegisLab Trojan.Win32.Encoder.j!c
Sangfor Malware
K7AntiVirus Trojan ( 005760a91 )
BitDefender Trojan.GenericKD.45454026
K7GW Trojan ( 005760a91 )
Avast Win32:Malware-gen
Kaspersky HEUR:Trojan-Ransom.Win32.Encoder.gen
Alibaba Trojan:Win32/Filecoder.8f27d80f
Ad-Aware Trojan.GenericKD.45454026
Sophos Mal/Generic-S
F-Secure Trojan.TR/FileCoder.yvywt
DrWeb Trojan.Encoder.33370
TrendMicro Ransom.Win32.PORMIM.SM
McAfee-GW-Edition BehavesLike.Win32.Dropper.rm
Emsisoft Trojan.GenericKD.45454026 (B)
Avira TR/FileCoder.yvywt
MAX malware (ai score=82)
Kingsoft Win32.Troj.Undef.(kcloud)
Gridinsoft Trojan.Win32.Agent.oa
Arcabit Trojan.Generic.D2B592CA
ZoneAlarm HEUR:Trojan-Ransom.Win32.Encoder.gen
Cynet Malicious (score: 85)
ALYac Trojan.GenericKD.45454026
Malwarebytes Trojan.Agent.PRN
Panda Trj/GdSda.A
ESET-NOD32 a variant of Win32/Filecoder.OFM
TrendMicro-HouseCall Ransom.Win32.PORMIM.SM
Tencent Malware.Win32.Gencirc.11b8dc49
Ikarus Trojan-Ransom.FileCrypter
Fortinet W32/Encoder.OFM!tr.ransom
AVG Win32:Malware-gen
Paloalto generic.ml
Qihoo-360 Win32/Trojan.Ransom.bf6

How to remove Trojan.Agent.PRN 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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The is an excellent way to deal with recognizing and removing threats – using Gridinsoft Anti-Malware. This program will scan your PC, find and neutralize all suspicious processes.2.

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.

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Press “Install” button.

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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.Agent.PRN 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 Trojan.Agent.PRN 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/products/

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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