Trojan.Agent

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

What is Trojan.Agent infection?

In this article you will certainly locate concerning the interpretation of Trojan.Agent and also its unfavorable impact on your computer system. Such ransomware are a kind of malware that is specified by on-line fraudulences to require paying the ransom money by a sufferer.

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Most of the situations, Trojan.Agent ransomware will certainly advise its targets to initiate funds transfer for the purpose of counteracting the modifications that the Trojan infection has introduced to the victim’s tool.

Trojan.Agent Summary

These modifications can be as complies with:

  • 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.
  • 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.
  • Unconventionial language used in binary resources: Nepali;
  • The binary likely contains encrypted or compressed data. In this case, encryption is a way of hiding virus’ code from antiviruses and virus’ analysts.
  • 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
  • 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.
  • 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.
  • Creates a copy of itself;
  • Anomalous binary characteristics. This is a way of hiding virus’ code from antiviruses and virus’ analysts.
  • Ciphering the records found on the sufferer’s hard disk — so the target can no longer utilize the data;
  • Preventing normal accessibility to the sufferer’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.Agent

The most typical networks where Trojan.Agent Trojans are infused are:

  • By methods of phishing e-mails. Email phishing is a cyber attack that uses disguised email as a goal is to trick the recipient into believing that the message is something they want or need — a request from their bank, for instance, or a note from someone in their company — and to click a link for download a malware.
  • As an effect of individual ending up on a resource that holds a malicious software application;

As soon as the Trojan is efficiently injected, it will certainly either cipher the information on the victim’s PC or prevent the gadget from operating in an appropriate way – while also placing a ransom money note that points out the demand for the sufferers to impact the settlement for the objective of decrypting the files or restoring the file system back to the preliminary condition. In the majority of circumstances, the ransom note will certainly show up when the customer restarts the PC after the system has already been harmed.

Trojan.Agent circulation channels.

In different corners of the world, Trojan.Agent grows by jumps and also bounds. However, the ransom notes and also tricks of obtaining the ransom money amount might differ relying on particular regional (regional) settings. The ransom money notes as well as techniques of extorting the ransom money quantity may differ depending on certain neighborhood (local) setups.

Ransomware injection

For instance:

    Faulty informs regarding unlicensed software.

    In certain areas, the Trojans typically wrongfully report having actually found some unlicensed applications made it possible for on the target’s gadget. The alert after that demands the customer to pay the ransom money.

    Faulty statements about prohibited content.

    In nations where software piracy is much less preferred, this approach is not as efficient for the cyber frauds. Conversely, the Trojan.Agent popup alert may incorrectly claim to be originating from a law enforcement organization and will report having located child porn or various other unlawful information on the device.

    Trojan.Agent popup alert might falsely declare to be obtaining from a regulation enforcement institution as well as will certainly report having situated child porn or other illegal data on the device. The alert will in a similar way consist of a need for the individual to pay the ransom money.

Technical details

File Info:

crc32: 5133A495
md5: d0e3bc863f080425adbac3f31fe300b4
name: socks777amx.exe
sha1: 83c0972ff1306fe362ab2c5add1d9e463949d121
sha256: 4c8dfd813ec722c756920268b673dcdda7d2fda3ccaca85312b91565fb9c0690
sha512: 23ab92122535c2d7938164f0264013c9ed83f303d3b4db1193799ebc85aee890ae77190b3a4b2e67fb85fff88f21c0540caf254747d7ec18c65bca54caeb244f
ssdeep: 3072:G2vTaB56Eki+kF9fWbtOPtHYF7O44LwqXKBN/dMmezNSshMmE:hvWb6p4F9+OPt4F7/4LmgQv
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

0: [No Data]

Trojan.Agent also known as:

GridinSoft Trojan.Ransom.Gen
Bkav W32.AIDetectVM.malware1
MicroWorld-eScan Trojan.GenericKD.42125680
FireEye Generic.mg.d0e3bc863f080425
McAfee RDN/Generic.grp
Malwarebytes Trojan.MalPack.GS.Generic
AegisLab Trojan.Win32.Agent.4!c
Sangfor Malware
K7AntiVirus Riskware ( 0040eff71 )
BitDefender Trojan.GenericKD.42125680
K7GW Riskware ( 0040eff71 )
Invincea heuristic
BitDefenderTheta Gen:NN.ZexaF.33556.mSW@aitdGxbG
Symantec Trojan.Gen.2
ESET-NOD32 a variant of Win32/Kryptik.GZOP
TrendMicro-HouseCall Trojan.Win32.ZPEVDO.USXVPLJ19
ClamAV Win.Ransomware.Glupteba-7458825-1
GData Trojan.GenericKD.42125680
Kaspersky Trojan.Win32.Agent.xacwdi
Rising Trojan.Kryptik!8.8 (TFE:5:Bl08U0TfcQD)
Endgame malicious (high confidence)
Sophos Mal/Generic-S
F-Secure Trojan.TR/AD.Coroxy.uppvd
DrWeb Trojan.MulDrop11.31464
TrendMicro Trojan.Win32.ZPEVDO.USXVPLJ19
McAfee-GW-Edition BehavesLike.Win32.PUPXFQ.dh
Emsisoft Trojan.GenericKD.42125680 (B)
APEX Malicious
Cyren W32/Trojan.XATT-4790
Jiangmin Trojan.Agent.cmnf
Avira TR/AD.Coroxy.uppvd
Microsoft Trojan:Win32/Predator.PVD!MTB
Arcabit Trojan.Generic.D282C970
AhnLab-V3 Trojan/Win32.MalPe.R304205
ZoneAlarm Trojan.Win32.Agent.xacwdi
Acronis suspicious
VBA32 Trojan.Agent
MAX malware (ai score=100)
Ad-Aware Trojan.GenericKD.42125680
Cylance Unsafe
Panda Trj/GdSda.A
Ikarus Trojan.Coroxy
Fortinet W32/Kryptik.EIQU!tr
AVG FileRepMalware
CrowdStrike win/malicious_confidence_90% (W)
Qihoo-360 HEUR/QVM10.2.F259.Malware.Gen

How to remove Trojan.Agent ransomware?

Unwanted application has ofter come with other viruses and spyware. This threats can steal account credentials, or crypt your documents for ransom.
Reasons why I would recommend GridinSoft1

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 install-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.Agent 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 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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